2018 Acura TLX
The refreshed 2018 Acura TLX performance luxury sedan launches with a more sporty and alluring look reflecting the brand's new design direction, along with an all-new TLX A-Spec variant for V6 powered models, and new premium features. The 2018 TLX offers AcuraWatch™ as standard equipment on all grades, leading all luxury midsize sedans in the application of advanced safety and driver-assistive technologies.
The 2018 Acura TLX also is the first Acura to feature a redesigned dual-screen user interface (ODMD 2.0) with more intuitive menus and command structures complemented by a new 7-inch capacitive touchscreen (previously resistive type) with a 30-percent faster response time and Android Auto™ and Apple CarPlay™ compatibility.
The 2018 TLX is the second model in the Acura lineup (following the 2017 MDX) to take design cues from the Acura Precision Concept and boasts an alluring new style, highlighted by the Acura diamond pentagon grille and amplified by its more sharply sculpted hood and front fenders, paired with strong dynamic characteristics including more aggressive and sporty front and rear fascia, side sills, and available dual rear exhaust finishers and rear diffuser. Acura's signature 5-lamp Jewel Eye™ LED headlights and new alloy wheel designs complete the distinctive, athletic and aggressive character of the 2018 TLX.
New Features for TLX V6 Models
Acura TLX V6 models feature a new rear diffuser with exposed dual-exhaust while the Technology Package adds a chrome side sill garnish, new leather seats with high-contrast stitching and piping, and power-operated driver's seat thigh extension.
2018 Acura TLX
The Acura TLX V6 Advance Package gains new, premium features including trapezoidal fog lights and rear exhaust ports, a Surround View camera system, built-in wireless charging, white LED ambient interior light piping, a heated steering wheel and heated rear (outboard) seats, power-folding side mirrors, and a new body-colored decklid spoiler.
All-New Acura TLX V6 A-Spec
Reflecting Acura's Precision Crafted Performance DNA, the all-new 2018 TLX A-Spec, available on both front-wheel drive and SH-AWD™ variants of the V6-powered TLX, amps up the sporty character of TLX and features exclusive design elements inside and out, along with key enhancements to chassis tuning and wheel/tire specification.
The Acura TLX A-Spec's unique styling begins in front with a matte-black diamond pentagon grille with dark chrome surround, an aggressive lower front fascia with broad center air opening flanked by round LED fog lights, and a dark appearance for the Jewel Eye LED headlights. A-Spec exclusive 19-inch alloy wheels finished in Shark Gray paint are shod with 245-series tires and combine with aggressively flared side sills for a more athletic and planted stance. The A-Spec exterior upgrades continue at the rear with a gloss-black decklid spoiler, "smoked" LED taillights, and an exclusive fascia featuring a lower diffuser accented by 4-inch round dual exhaust finishers. A matte-black side window surround and A-Spec badging on the front fenders and rear decklid completes the look.
Inside, the TLX V6 A-Spec features more aggressively bolstered front seats, an A-Spec-badged thick-rimmed steering wheel, red driver's meter highlights, black headliner and pillar treatment, brushed aluminum-look interior trim, stainless steel driver's footrest, and front and rear door sill trim.
In addition to the improved lateral grip and responsiveness offered by Michelin Primacy 245/40R19 tires (compared to 225/50R18 on other V6 models), the TLX V6 A-Spec benefits from a retuned electric power steering system and damper settings. Models with SH-AWD also get a quicker steering ratio for increased response and a stiffer spring rate and rear stabilizer bar for improved body control.
The TLX V6 A-Spec is available in five exterior colors, including a trim-exclusive Still Night Blue Pearl, and one of two unique interior color schemes, Black with Alcantara™ seat and door inserts or Full Red which features a bold red leather throughout. A-Spec models have the same feature set as the TLX V6 with Technology Package as well ventilated front seats, wireless charging pad and LED ambient light piping found in the Advance Package.
Powertrain and Chassis
The 2018 Acura TLX continues to be offered with two advanced powertrains: a 2.4-liter, 206-horsepower i-VTEC inline-4 mated to an 8-speed Dual Clutch Transmission (8DCT) with torque converter; and a 3.5-liter, 290-horsepower i-VTEC V6 mated to a 9-speed automatic transmission, which for 2018 has been retuned for a more refined feel.
Two-wheel drive variants of the 2018 TLX, with either the 2.4-liter or 3.5-liter engines, come equipped with Acura Precision All-Wheel Steer™ (P-AWS™), with independent left and right rear-wheel toe angle control to enhance overall handling precision, low-speed maneuverability and high-speed stability.
Acura Super-Handling All Wheel Drive™ (SH-AWD®), the most sophisticated torque-vectoring AWD system in the industry, is available for the first time on all V6-powered variants (previously available with Technology or Advance Package only). SH-AWD elevates the TLX driving experience to a new level, enhancing cornering grip, power delivery and all-weather handling and control through dynamic distribution of engine torque to all four wheels and independent control of torque delivery to the left and right rear wheels.
Acura TLX 2.4-liter models can be upgraded with the Technology Package, and 3.5-liter models can be upgraded with either Technology, A-Spec or Advance Packages.
As Acura's top selling car, the 2018 TLX performance luxury sedan offers a range of power and drivetrain choices, with two direct-injected engines, two advanced transmissions and, in V6 powered models, available Super Handling All-Wheel Drive™ (SH-AWD®).
The Acura TLX's two direct injected (DI) engines combine power and efficiency. The 2.4-liter DOHC i-VTEC® 4-cylinder produces a peak 206 horsepower and 182 lb.-ft. of torque. The available 3.5-liter direct injected i-VTEC® 24-valve V6 produces a peak 290 horsepower and 267 lb.-ft. of torque. To boost fuel efficiency, Variable Cylinder Management (VCM) automatically deactivates three of the engine's six cylinders under light engine loads. TLX SH-AWD models also add an automatic idle-stop feature to further improve fuel efficiency.
To make the most of these powerful and refined engines, the TLX features two highly advanced transmissions. 2.4-liter TLX models have an 8-Speed Dual-Clutch Transmission (8DCT), the world's first automotive DCT with a torque converter, featuring Sequential SportShift. With its closely-spaced ratios, ultra-quick shifts and automatic downshift rev-matching, the 8DCT gives the 2.4-liter TLX an aggressively sporting feel. The torque converter provides exceptionally smooth operation in stop-and-go situations, plus it offers off-the-line torque multiplication for substantially improved initial acceleration that a DCT alone cannot equal. For 2018, the 8DCT has been updated for smoother operation.
TLX models with the 3.5-liter V6 are equipped with a 9-speed automatic transmission featuring Sequential SportShift. Retuned for 2018 for a more refined feel, the transmission is engineered to handle the V6 engine's substantial power output, and its closely spaced gear ratios enhance both performance and fuel efficiency.
Acura's acclaimed torque vectoring Super Handling All-Wheel Drive™ (SH-AWD®), the most sophisticated all-wheel drive system in the industry, is available exclusively with the 3.5-liter V6. SH-AWD progressively distributes torque not only between the front and rear axles, but also between the left and right rear wheels. Using torque vectoring to help turn the vehicle, SH-AWD creates a more responsive, neutral and predictable platform while providing outstanding all-weather confidence and control.
All Acura TLX front-wheel drive models feature standard Acura Precision All-Wheel Steer™ (P-AWS), which is designed to help give the TLX greater agility and handling balance.
Direct-Injected 2.4-liter Inline 4-cylinder Engine
The TLX's direct injected (DI) 2.4-liter DOHC i-VTEC® 4-cylinder engine features a host of intelligent technology. The engine's i-VTEC system combines VTC (Variable Timing Control), which continuously adjusts the intake camshaft phase, with Variable Valve Timing and Lift Electronic Control (VTEC), which changes valve lift, timing and duration of the intake valves. The direct injection (DI) system, dual-stage intake manifold and other technologies combine to produce 206 horsepower and 182 lb.-ft. of torque. The 4-cylinder engine meets ULEV-3 emissions standards in select states, and Federal Tier 2, Bin 5 standards.
4-Cylinder Engine Block, Crankshaft and Pistons
The Acura TLX's 2.4-liter engine has a lightweight die-cast aluminum block with a single main-bearing cradle design that creates a rigid assembly to help minimize noise and vibration. Cast-in iron cylinder liners provide long-lasting durability. Each journal on the forged-steel crankshaft is micropolished to reduce internal friction. To improve smoothness throughout the rpm range and help lower noise levels, the engine is fitted with an internal balancer unit. Consisting of a pair of chain-driven counter-rotating shafts located in the lower block and integrated into the oil pan, the balancing system helps quell the inherent second-order harmonic vibrations that normally impact inline 4-cylinder engines.
To reduce piston-sliding friction, the cylinder bores are offset by 8.0 mm from the crankshaft. This gives the connecting rods a more favorable angle during each power stroke, which reduces side loading on the pistons and in turn, improves efficiency. The engine features a forged crankshaft for high rigidity and low friction. Lightweight pistons have a carefully optimized skirt design to minimize reciprocating weight, and reduced weight minimizes vibration and increases operating efficiency. The piston crowns are dished, to help maintain stable combustion and to optimize distribution of the stratified fuel charge from the direct injector in each cylinder. This close control over the combustion process boosts overall operating efficiency.
4-Cylinder Dual-Stage Intake Manifold
To maximize power output, the 2.4-liter engine has a dual-stage intake manifold has two different intake runner lengths that are selected based on the operating conditions. An actuator and a set of four butterfly valves control the intake runner switching process. At low engine speeds, the long runners are used to improve low-end torque. At higher engine speeds the system switches to the short intake runners for greater high rpm power. The result is intake tuning that is optimized for the engine's entire operating range.
2.4-liter Engine Cylinder Head and Valvetrain
The lightweight cylinder head is made of pressure-cast aluminum alloy, with exhaust passages cast directly into the cylinder head. This eliminates the need for a traditional separate exhaust manifold and allows the close-coupled catalytic converter to be mounted directly to the cylinder head.
A silent-chain drives the dual overhead cams and features a double-arm tensioner design that reduces operating friction. The cam drive is designed to be maintenance free throughout the life of the engine.
To help boost fuel efficiency and power, the combustion chamber shape and valve angles have been optimized. The included valve angle is a narrow 35 degrees, which decreases the surface-to-volume ratio and helps create a flatter, more compact combustion chamber that reduces unburned hydrocarbon emissions. With this combustion chamber shape and the precise control of direct injection, the compression ratio set at 11.6:1.
The cylinder head features a "tumble port" intake design. In combination with the combustion chamber and piston crown shape, the design's high level of airflow tumble helps create a homogenous fuel mixture for low fuel consumption and high airflow for high power output.
2.4-Liter Engine i-VTEC® Valve Control System
The Acura TLX's direct-injected 2.4-liter DOHC 16-valve i-VTEC® engine uses an advanced valve-control system to combine high power output with high fuel efficiency and low emissions. The system combines VTC (Variable Timing Control), which continuously adjusts the intake camshaft phase, with Variable Valve Timing and Lift Electronic Control (VTEC), which changes valve lift, timing and duration of the intake valves.
At low rpm, the VTEC intake valve timing and lift are optimized for high torque and low fuel consumption. As engine rpm builds past 4,900 rpm, the VTEC system transitions to a high-lift, long-duration intake cam profile for superior high-rpm engine power.
The "intelligent" portion of the system is its ability to continuously vary the timing of the intake cam relative to that of the exhaust camshaft. This helps boost power and also provides a smoother idle (allowing idle speed to be reduced). The intake cam timing is varied based on input from sensors that monitor rpm, timing, throttle opening, cam position and exhaust air-fuel ratio. The result is increased fuel efficiency and lower NOx emissions.
3.5-liter V6 Engine
The TLX 3.5-liter i-VTEC® V6 is closely related to the 3.5-liter V6 that powers the Acura RLX and MDX. It has a die-cast lightweight aluminum alloy block with cast-in-place iron cylinder liners, a smooth-firing 60-degree V-angle, and compact overall dimensions. The TLX powerplant combines Direct Injection with i-VTEC® and Variable Cylinder Management (VCM) to give the TLX strong fuel economy ratings and overall performance. This clean-running engine meets ULEV-3 emissions standards in select states, and Federal Tier 3, Bin 125 standards.
The aluminum-alloy 24-valve engine produces 290 horsepower at 6,200 rpm and generates 267 lb-ft of torque at 4,500 rpm.
V6 Engine Block and Crankshaft
With its 60-degree V-angle, the Acura TLX's available V6 engine has compact overall dimensions that allow efficient packaging within the vehicle. The V6 has a die-cast lightweight aluminum alloy block with cast-in-place iron cylinder liners. Made with a centrifugal spin-casting process, the thin-wall liners are high in strength and low in porosity. The block incorporates a deep-skirt design with four bolts per bearing cap for rigid crankshaft support and minimized noise and vibration. The 3.5-liter V6 uses a high-strength steel crankshaft for minimum weight. A cooling control spacer positioned in the water jacket surrounding the cylinders helps control warm-up and operating cylinder liner temperatures to reduce friction.
V6 Pistons/Connecting Rods
Designed with "cavity-shaped" crowns, the V6 engine's pistons help maintain stable combustion and contribute to optimized combustion. Ion-plated piston rings help reduce friction for greater operating efficiency. Heavy-duty steel connecting rods are forged in one piece and then the connecting rods are "crack separated" to create a lighter and stronger rod with an optimally fitted bearing cap.
V6 Cylinder Heads and Valvetrain
Like other Acura V6 powerplants (other than the NSX), the TLX engine's 4-valve cylinder heads are a single-overhead-camshaft design, with the cams driven by the crankshaft via an automatically tensioned toothed belt. Made of low-pressure cast, low-porosity aluminum, each cylinder head incorporates a laminar flow intake design that improves combustion efficiency by creating a more homogeneous fuel-air mixture. An integrated exhaust manifold cast into each cylinder head reduces parts count, saves weight, improves flow and optimizes the location of the close-coupled catalyst.
V6 i-VTEC® with 2-Stage Variable Cylinder Management™ (VCM®)
The Acura TLX SOHC V6 combines Variable Cylinder Management (VCM) with Variable Valve Timing and Lift Electronic Control (i-VTEC®), which changes the lift profile, timing and lift duration of the intake valves. A switching mechanism allows each cylinder to operate with low-rpm valve lift and duration or high-rpm lift and duration. The rear cylinder bank's valve gear closes all intake and exhaust valves to minimize pumping losses while operating in three-cylinder mode.
The "intelligent" portion of the system is its ability to vary valve operation based on the driving situation and engine rpm. At low rpm, the i-VTEC® intake valve timing and lift are optimized (low lift, short duration) for increased torque, which allows a wide range of 3-cylinder operation. As engine rpm builds past 5,000 rpm, the i-VTEC® system transitions to a high-lift, long-duration intake cam profile for superior high-rpm engine power.
V6 VCM™ Operation - To help improve the fuel efficiency of the TLX engine, Acura's Variable Cylinder Management™ (VCM™) is used. The system cooperates with Active Control engine Mounts (ACM) to allow the engine to operate with three cylinders in a wide range of situations to maximize fuel efficiency and reduce emissions. When greater power is needed, the system switches seamlessly to 6-cylinder operation.
During startup, aggressive acceleration, or steep ascents - any time high power output is required - the engine operates on all six cylinders. During moderate-speed cruising and at low or moderate engine loads, the system operates just the front bank of three cylinders.
The VCM system can tailor the working displacement of the engine to match the driving requirements from moment to moment. Since the system automatically closes both the intake and exhaust valves of the cylinders that are not used, pumping losses associated with intake and exhaust are eliminated and fuel efficiency gets a further boost. The system combines maximum performance and maximum fuel efficiency - two characteristics that don't typically coexist in conventional engines.
VCM deactivates specific cylinders by using the i-VTEC (intelligent Variable Valve-Timing and Lift Electronic Control) system to close the intake and exhaust valves while the Electronic Control Unit (ECU) simultaneously cuts fuel to those cylinders.
V6 SH-AWD Idle Stop System
To help improve fuel efficiency, TLX SH-AWD models come equipped with Idle Stop. When the system is active and certain operating conditions are met, the TLX engine will automatically shut off when the vehicle comes to a stop. When the driver releases the brake pedal after a stop, the engine automatically restarts and the TLX is ready to accelerate.
V6 Active Control Engine Mounts and Active Sound Control
A powerful 28-volt Active Control Engine Mount system (ACM) is used to minimize the effects of engine vibration as the VCM system switches cylinders on and off. Sensors alert the Electronic Control Unit (ECU) to direct ACM actuators positioned at the front and rear of the engine to cancel engine vibration using a reverse-phase motion. In the cabin of the TLX, an Active Sound Control (ASC) system further mitigates low frequency noise that can occur during 3-cylinder operation.
There are two different Active Sound Control profiles available in the Acura TLX. When the Integrated Dynamics System is in the ECON or Normal setting, the ASC is tuned for maximum interior quietness; in Sport or Sport+ mode, the ASC allows a more aggressive interior engine and exhaust note.
Remote Engine Start
The V6 TLX with Advance Package offers the ability to start the vehicle's engine remotely. This enables drivers to start their TLX, thereby activating the climate control system and heated/ventilated seats before they enter the vehicle - perfect for hot or cold days. The remote is designed to have a range of operation of up to 300 feet. To start the engine remotely, the owner presses the LOCK button and then holds the ENGINE button for a few seconds. When the engine is started remotely, the wipers, lighting and audio systems remain off, and the security system remains set. The engine will run for up to 10 minutes after remote starting, and then shut off automatically if the owner doesn't reach the vehicle within that time. When the owner does get to the TLX within 10 minutes, the engine will keep running while the owner unlocks the vehicle and gets in. This system also provides feedback to the owner to confirm whether the engine is running or the vehicle is locked via the remote's three LED indicators.
Cold-Air Induction System
To maximize power output, the TLX has a cold-air intake system that picks up air coming through the front grille area, which is typically about 5 percent cooler than the air in the hot engine compartment. Cooler intake air has greater density, which allows the Direct Injection system to add proportionately more fuel for enhanced power output.
Direct Injection System
Both 4-cylinder and V6 TLX engines feature efficient direct injection. The system features a compact, high-pressure, direct-injection pump that allows both high fuel flow and pulsation suppression, while variable pressure control optimizes injector operation. A multi-hole injector delivers fuel directly into each cylinder (not to the intake port, as in conventional port fuel injection designs), allowing for more efficient combustion and greater power output.
Drive-by-Wire™ Throttle System
The Acura TLX Drive-by-Wire™ throttle system replaces a conventional throttle cable with smart electronics that "connect" the accelerator pedal to a throttle valve inside the throttle-body. The result is less under-hood clutter and lower weight, as well as quicker and more accurate throttle actuation. Plus, a specially programmed "gain" rate between the throttle pedal and engine offers improved drivability and optimized engine response to suit specific driving conditions.
Three different throttle profiles are available in the TLX. When the Integrated Dynamics System (IDS) is in the ECON mode, the system uses a gradual profile that encourages fuel savings. In Normal mode, the throttle profile balances economy and performance for all-around driving. When the Sport or Sport+ mode is selected, the system switches to a more aggressive throttle map to enhance responsiveness.
Direct Ignition and Detonation/Knock Control
The TLX's Electronic Control Unit (ECU) monitors engine functions to determine the best ignition spark timing. Engine block-mounted acoustic detonation/knock sensors "listen" to the engine, and based on this input, the ECU can retard the ignition timing to prevent potentially damaging detonation. An ignition coil unit for each cylinder is positioned above each spark plug's access bore.
The exhaust manifolds of both TLX engines are cast directly into the aluminum cylinder heads to reduce weight, decrease parts count, and create more underhood space. The result of this casting design is that the primary catalytic converters are positioned much closer to the combustion chambers, enabling extremely rapid converter "light-off" after engine start. A significant weight savings is realized by eliminating traditional exhaust manifolds.
Both 2018 TLX engines meet the tough EPA Tier 3/Bin 125 and CARB LEV III ULEV emissions standards, and are certified to this level of emissions performance for 120,000 miles. A number of advanced technologies are factors in the emissions performance. The unique cylinder head-mounted close-coupled catalytic converters light off quickly after engine start up, and a 32-bit RISC microprocessor within the Electronic Control Unit (ECU) boosts computing power to improve the precision of spark and fuel delivery.
Both engines feature Programmed Fuel Injection (PGM-FI) that continually adjusts the fuel delivery to yield the best combination of power, low fuel consumption and low emissions. Multiple sensors constantly monitor critical engine operating parameters such as intake air temperature, ambient air pressure, throttle position, intake airflow volume, intake manifold pressure, coolant temperature, exhaust-to-air ratios, as well as the position of the crankshaft and the camshafts.
Both Acura TLX engines make use of friction-reducing technologies designed to improve engine efficiency. The outer skirts of lightweight aluminum pistons feature a special coating that reduces overall friction as the pistons move within the cylinder bores. Plateau honing further lowers the friction level between the pistons and the cylinders by creating an ultra-smooth surface. Plateau honing is a 2-stage machining process that uses two grinding processes instead of the more conventional single honing process. This also enhances the long-term wear characteristics of the engine.
One-Touch Start System
To ensure consistent starting, the TLX has a one-touch start system that maintains starter engagement until the engine starts. Should the driver release the Start button before the engine starts, the system will start the vehicle. Simply push the Start button (with a foot on the brake pedal and the key fob in the vehicle) and the engine will automatically start up.
100,000+/- Mile Tune-up Intervals
The Acura TLX's engines require no scheduled maintenance for 100,000+/- miles or more, other than periodic inspections and normal fluid and filter replacements. The first tune-up includes water pump inspection, valve adjustment, installation of new spark plugs, and in V6 models, replacement of the camshaft timing belt.
Maintenance Minder™ System
To eliminate unnecessary service stops while ensuring that the vehicle is properly maintained, the TLX has an owner-resettable Maintenance Minder™ system that continually monitors the vehicle's operating condition and all normal service parts and systems, including oil and filter, tire rotation, air-cleaner, automatic transmission fluid, spark plugs, timing belt, coolant, brake pads and more. When maintenance is required, the driver is alerted via a message on the Multi-Information Display (MID).
Sequential SportShift 8-Speed Dual-Clutch Transmission (DCT) with Torque Converter
To maximize performance and fuel efficiency, the 2.4-liter Acura TLX has a standard 8-speed Dual-Clutch Transmission (DCT), which was the world's first transmission of this type to be paired with a torque converter. For 2018, the transmission has been retuned for a more refined feel. In the 8-speed DCT, one clutch controls the odd gears while the other clutch controls the even gears. This arrangement allows gear changes with a much smaller interruption in power to the wheels, resulting in millisecond-quick shifts.
Compared to a conventional manual transmission, the operation of the clutches and shifting mechanisms are electronically controlled, eliminating the need for a clutch pedal or manual shift lever. The DCT with its closely spaced ratios, ultra-quick shifts and automatic downshift rev-matching, gives the TLX 4-cylinder an exhilarating and sporty feel. The DCT transmission in the TLX also features a steering wheel-mounted paddle shifter system that lets the driver take manual control of transmission gear selection, further heightening the driving experience.
The ultra-thin torque converter complements the efficient operation of the DCT by providing exceptionally smooth operation in stop-and-go situations, plus it offers off-the-line torque multiplication for improved initial acceleration that a DCT alone can't equal. In an aggressive standing-start launch, the torque converter substantially improves acceleration in the first 1.4 seconds, or about the first 60 feet (compared to a DCT alone).
Sequential SportShift 9-Speed Automatic Transmission
TLX V6 models are equipped with a 9-speed automatic transmission featuring Sequential SportShift. For 2018, the transmission has been retuned for a more refined feel. The transmission features a fully electronic, shift-by-wire gear selector. Park, Neutral and Drive are selected with the push of a button. Reverse is selected by pulling back a dedicated switch. Indicator lights near the buttons indicate the mode selected. As an added safety feature, if the vehicle is brought to a stop in Drive, the system will automatically select Park if the driver's seatbelt is unbuckled and the driver's door is opened. As with the DCT, a steering wheel-mounted paddle shifter system lets the driver take manual control of transmission gear selection.
Cooperative Transmission Control
Both shift performance and smoothness are improved by cooperative control between the Drive-by-Wire™ throttle system and the two available transmissions. The engine is throttled by the engine management system during upshifts and downshifts; thus the function of the engine and transmission can be closely choreographed for faster, smoother shifting. As a result, the peak g-forces (or "shift shock") are reduced significantly during upshifts and downshifts.
Both Acura TLX transmissions can be operated in two different, fully automatic modes, which are controlled by the Integrated Dynamics System (IDS). In Econ, Normal and Sport IDS modes, the transmission combines fuel efficiency with smooth operation and responsive power when needed. When the IDS is placed in Sport+ mode, the transmission switches to more aggressive mapping that puts the emphasis on performance-oriented driving, with higher engine rpm for greater acceleration and response.
Smart Transmission Logic
Both transmissions incorporate an advanced Grade Logic Control System, Shift Hold Control and Cornering G Shift Control - all of which reduce unwanted shifting and gear hunting. The result is smart transmission operation that optimizes fuel efficiency and keeps the transmission in the appropriate gear for driving conditions, generating excellent performance and smooth operation.
Grade Logic Control alters the transmission's shift schedule during ascents to hold the transmission in lower gears to boost climbing power, and during descents to provide greater engine braking.
Shift Hold Control keeps the transmission in its current (lower) gear ratio during aggressive driving, as in the case of decelerating at a corner entry, leaving the chassis undisturbed by eliminating excess shifting and ensures that power will be immediately available at the corner exit.
Cornering G Shift Control monitors the vehicle lateral acceleration to suppress any unwanted upshifts which could upset the chassis balance thus requiring downshifting again when the throttle is applied at the corner exit.
Paddle Shifter Operation in Econ, Normal and Sport Integrated Dynamic System (IDS) Modes
While in Econ, Normal or Sport IDS modes, special transmission logic programming allows the use of the steering-wheel-mounted paddle shifters. When the driver operates the paddle shifters, the transmission responds to the driver's shift command and then returns to its normal fully automatic mode if further paddle shift inputs are not made within a given time. This special logic makes it easy for the driver to command a quick downshift without leaving the convenience of Drive mode.
Paddle Shifter Operation in Sport+ Mode
When the Integrated Dynamics System is switched to the Sport+ mode, a pull on either paddle shifter places the transmission in fully manual mode until another mode of operation is selected. A digital display in the instrument cluster indicates which gear the transmission is in.
A double-kick-down feature lets the driver command a sport-minded double downshift - such as from Fifth to Third gear. By pulling on the left downshift paddle twice in rapid succession, the transmission will drop directly to the chosen lower gear ratio. The Drive-by-Wire™ throttle system also creates a "blip" of the throttle to help match gear speeds while downshifting.
To prevent harm to the powertrain when the transmission is paddle shifted by the driver (including during double-kick-down shifts), the system will inhibit potentially damaging shifts. As an added safety measure, the Electronic Control Unit (ECU) can also cut off fuel to the engine to prevent over-revving. If fuel cut-off is insufficient to prevent engine over-revving, as may be possible when the vehicle is on a steep downhill, the transmission will automatically upshift to prevent damage. On downshifts, the transmission will not execute a driver command that will over-rev the engine.
The TLX offers front-wheel drive, paired with either the 4-cylinder or V6 engine. With its efficient and lightweight design, the TLX front-wheel drive system makes a significant contribution to overall fuel efficiency.
The latest version of Acura Precision All-Wheel Steer® (P-AWS) is standard on all front-wheel drive TLX models, and helps give the TLX best-in-class dynamic performance at all speeds.
The system is complemented by Agile Handling Assist (AHA), which selectively uses the vehicle's brakes to improve initial turning response and overall cornering ability. AHA applies braking force to the inside wheels during high G cornering to improve corner traceability and provide a confident handling feel.
Super-Handling All-Wheel Drive™ (SH-AWD®)
Available on all V6 equipped models, the Acura TLX SH-AWD features a hydraulically controlled iteration of Acura's acclaimed Super Handling All-Wheel Drive system, which progressively distributes optimum torque not only between the front and rear axles, but also between the left and right rear wheels. SH-AWD is complemented by Agile Handling Assist to further improve cornering characteristics of the TLX.
The benefits of SH-AWD are superior all-weather handling and neutral, accurate steering under power that is unmatched by front-drive, rear-drive or conventional all-wheel-drive systems.
By rotating the outside rear wheel faster than the front axle while cornering, SH-AWD creates a yaw moment to help turn the vehicle through the corner - reducing understeer and improving controllability. With cornering forces more evenly distributed between front and rear tires, overall cornering power is increased - on wet or dry roads.
Vehicles with high power ratings using conventional front or rear drive systems often employ a limited-slip differential to help maintain traction when under power. By linking inside and outside drive wheels, these systems tend to resist turning and can increase understeer. Conventional AWD systems similarly work to link the inboard and outboard tires as well as the front and rear axles, which can create resistance to turning. Using torque vectoring to help turn the vehicle, SH-AWD delivers more responsive, neutral and predictable handling performance while providing outstanding all-weather handling and control.
Electronic Controls and Parameters
SH-AWD works in cooperation with Vehicle Stability Assist™ (VSA®) system and Agile Handling Assist (AHA) to optimize the TLX's torque distribution for superior handling and traction utilization. The Electronic Control Unit (ECU) provides information on engine torque, airflow and transmission gear-ratio selection, while the VSA ECU provides wheel-speed data. The SH-AWD system's ECU also monitors steering angle, steering angle rate of change, lateral G-forces, vehicle yaw rate and hydraulic clutch pressure for the right and left rear axle shafts. Drive torque is calculated from ECU information, and then the acceleration situation, wheel spin, lateral G-force, steering angle and steering angle rate-of-change are used to determine the front-to-rear torque distribution and the torque split between right and left rear wheels.
SH-AWD operating parameters include:
- Up to 90 percent of available torque can be transferred to the front wheels during normal cruising.
- In hard cornering and under acceleration, up to 70 percent of available torque can be directed to the rear wheels to enhance vehicle dynamics.
- Up to 100 percent of the torque sent to the rear axle can be applied to either the left or right rear wheel, depending on conditions.
SH-AWD System Layout - The TLX SH-AWD is a full-time all-wheel-drive system that requires no driver interaction or monitoring, thanks to a torque-transfer unit that is bolted directly to the front-mounted transaxle. The torque-transfer unit receives torque from a helical gear that is attached to the front differential's ring gear, and a short horizontal shaft and hypoid gear set within the torque-transfer unit's case send power to the rear propeller shaft, which in turn transfers power to the rear drive unit.
The Acura TLX's SH-AWD rear drive unit is constantly overdriven by 2.7 percent. The resulting overdrive effect is regulated by left- and right-side clutch packs (located in the rear differential) that independently control the power delivered to each rear wheel. The high overdrive percentage in the TLX means that the torque vectoring effect is pronounced and effective even in corners with a radius of as little as 49.2 feet (15 meters). This means that torque vectoring can be felt often, such as when accelerating aggressively through a standard corner. Up to 885 lb.-ft. of torque can be delivered to either rear wheel, which gives the system the unique ability to yaw the TLX into turns for superior handling.
Hydraulically operated clutch systems mounted on either side of the hypoid gear that drives the rear axles control the amount of torque sent to each rear wheel and provide a limited-slip differential function when needed. The clutches can be controlled as a pair to alter front/rear torque split or they can be controlled independently to allow 100 percent of available rear axle torque to go to just one rear wheel.
In this iteration of SH-AWD, a single electric motor powers a pair of hydraulic pumps - one for each clutch pack. An Electronic Control Unit (ECU) controlled linear solenoid valve selectively sends pressure to the clutch packs, which in turn control the amount of power sent to each rear wheel.
The clutch packs and their friction material are carefully designed to withstand the small amount of continuous slip between front and rear axles created by the 2.7 percent speed differential - all while delivering the durability expected of an Acura product.
Redesigned and significantly enhanced, the 2018 TLX represents the new face of Acura. Inspired by the Acura Precision Concept, the new look is more aggressive, sporty and alluring, creating fresh visual appeal from any angle. Subtle changes to stance, proportion, wheels and sheet metal effectively boost the TLX's emotion and character.
Front-end styling is completely new forward of the A-pillars, including the diamond pentagon grille, bumper and lower fascia, lighting, hood and fenders. The sculptured fenders and modern, strong hood are defined by crisp character lines that are confident and captivating, matching the TLX's strong dynamic characteristics and imbuing the redesigned TLX with Acura's Precision Crafted Performance DNA.
Wheel and tire choices are expanded to four distinct offerings ranging in diameter from 17 to 19 inches. Redesigned side sills direct attention to the rear, where the 2018 TLX showcases one of three unique rear fascia, bumper and exhaust treatments, all boosting the sporty and emotional appeal of the new TLX.
Acura TLX and TLX with Technology Package
Following the recently introduced MDX, the 2018 TLX is the second model to feature Acura's signature diamond pentagon grille, finished in gloss black with a bright surround and displaying a large 6.4-inch Acura bright badge in the center. Flanking the grille are redesigned Jewel-Eye™ LED headlight arrays using five LEDs per side and surrounded by wing-shaped LED DRLs. Below the distinctive grille, the bumper and lower fascia take on sporty new shapes, with aerodynamic diaplanes at the outer corners of the lower fascia mimicking the look of a racing prototype. Large openings at the corners of the fascia continue the hexagonal grille motif. The new hood is more multidimensional than the previous TLX, with three decisive character lines creating a "power bulge" at the center and giving the TLX front end a bold appearance in a wide range of lighting conditions.
The standard wheels are a new 17x7.5J thin 10-spoke aluminum alloy with a Pewter paint and machined finish on the 4-cylinder TLX, and 18-inch split 5-spoke aluminum alloy with Shark Gray paint and machined finish on the V6 TLX. At the rear of the TLX are redesigned LED taillights with bright trim, a unique new bumper and fascia with hidden dual exhaust tips, an Acura badge at the center of the trunk lid, and a TLX badge on the right side. Safety reflectors are located on the outside edges of the lower fascia. All V6 equipped TLX models have exposed dual exhaust outlets and a sport-inspired four-vane rear diffuser.
Acura TLX V6 A-Spec
Broadening the appeal of the V6 powered TLX for enthusiasts, the exclusive new A-Spec injects even more of Acura's Precision Crafted Performance DNA. The aggressive styling upgrades start with a unique grille finished with a dark chrome surround and a broad additional opening beneath the bumper that evokes a racecar's engine air intake. Adding to the A-Spec's bold presentation is a unique lower fascia with large outer openings featuring round 2.75-inch diameter LED fog lights, likewise highlighted by dark chrome trim. The redesigned Jewel-Eye™ LED headlights use a dark housing for added character.
Unique A-Spec badges are located on the front fenders, while the side windows are surrounded in matte black trim, further distinguishing the A-Spec. The lower side sill garnish is aerodynamically shaped, and the wheels are 19x8.0J split 5-spoke aluminum alloy with Shark Gray paint married to wide 245/40R tires that create a more aggressive stance while sharpening the handling experience.
In back, darker "smoked" taillights, a decklid mounted gloss-black spoiler, and a rear bumper and fascia that are body color above and black below all help to distinguish the TLX A-Spec at a glance. An A-Spec badge is also positioned on the lower left of trunk lid, along with an SH-AWD (when the vehicle is so equipped) badge on the right side. Beneath the rear fascia is an exclusively styled aerodynamic diffuser. Additional unique rear design elements of the bold A-Spec include exposed dual-exhaust outlets with 4-inch round bright finishers, and air vent features finished with black hexagonal grilles at the fascia corners.
Acura TLX V6 Advance Package
The technologically advanced look of the TLX with Advance Package starts at the front with the addition of trapezoidal LED fog lights. On the sides of the vehicle, streamlined lower sills feature bright trim for a sophisticated appearance. The Advance Package also gets unique 18x7.5J split 15-spoke aluminum alloy wheels with Shark Gray paint and a machined finish.
At the rear of the Advance Package is a body-color decklid spoiler similar to that on the A-Spec. Also included on the Advance Package is a rear bumper and fascia that uniquely adds bright finishers at the outer edges, molded in a wing design to mimic the vehicle's front LED DRLs. Further increasing the sporty character, the Advance Package has unique trapezoidal shaped dual exhausts outlets mirroring the front fog lights and an A-Spec-like rear diffuser.
Overall Design Philosophy
Since its original introduction in 2015, the TLX has been designed to support the twin goals expressed in the car's "Red Carpet Athlete" theme:
- Major luxury appeal, represented as cabin quietness, ride comfort and styling refinement.
- Exhilarating and athletic sports-sedan performance combined with class-leading safety features and ratings.
To achieve these sometimes-competing goals, Acura engineers utilized advanced materials, including ultra-high-strength steel grades, aluminum and magnesium for rigidity, collision performance and weight savings. Special attention was paid to local body rigidity in areas where the body joins the suspension, engine and subframes, and to improvements in body sealing and noise insulation.
The body also is designed to provide a high level of occupant crash protection incorporating Acura's latest thinking in advanced body design, including the next-generation of the Advanced Compatibility Engineering (ACE) front body structure and one-piece hot-stamped-steel door ring.
Dynamic and Athletic Proportions
With its low and wide stance, the 2018 TLX possesses a lithe exterior form and taut body surfaces befitting a sports sedan. This sporting character is further defined by short front and rear overhangs, dynamically sculpted fender arches, and purposeful character lines. Even the newly re-sculptured hood, with its sharply creased bilateral and central ridgelines, denotes the performance capabilities of the powertrains it conceals. Meanwhile, the open and airy greenhouse provides commanding sight lines, with slim A-pillars providing the excellent visibility necessary for driving enjoyment and safety.
"Just Right" Dimensions
The TLX's "just right" body dimensions result from a methodical pursuit of aerodynamic efficiency, interior roominess, dynamic performance, quietness and refinement, and of course artistic expression. The redesign of the 2018 model yields minimal dimensional changes compared to the 2017 model. The new TLX has the same 109.3-inch wheelbase, perfectly positioning it between the smaller ILX sports sedan and RLX premium, luxury sedan.
All 2018 Acura TLX share the same 73.0 inch overall width and 57.0-inch overall height with the 2017 model while overall length increases slightly to 191.7 inches (191.5 for A-Spec).
In comparison to its key competitors, the 2018 TLX boasts an overall length greater than the Audi A4, BMW 3-Series, Infiniti Q50, Lexus IS and Mercedes-Benz C-Class sedans. It is also significantly wider than the Lexus ES and Cadillac ATS sedans.
Rigid Lightweight Body
Light weight and rigidity are the twin foundations for TLX comfort, handling and safety performance. Low mass is achieved by a combination of advanced engineering and the use of high-strength steel, magnesium and aluminum unit-body components, while body rigidity is enhanced by precise engineering - particularly in optimizing key component fitting points, bending stiffness and torsional rigidity in the unit-body structure.
In order to balance performance, fuel efficiency and low emissions, Acura designers blended the TLX's dynamic styling with aerodynamic detailing. The revised front fascia, hood, fenders and rear fascia on all 2018 TLX trims were tested and proven through the use of sophisticated computational fluid dynamics (CFD), as well as in a scale wind tunnel and in high-precision coast-down testing. Together, these processes help minimize the running resistance (the amount of energy that is lost as the TLX moves along the road and through the air).
Hemmed Rear Wheel Arch
The rear wheel arches use a special roll-hemming process that results in an especially clean edge and smooth appearance. In simple terms, the wheel-arch "hems" are the curved sheet-metal edges that surround the rear tires. In the TLX, a special hemming process is used instead of spot welds to join the inner and outer fender sheet-metal on the inside of the fender opening. The result is a reduced tire-to-fender gap which improves aerodynamics, elimination of visible spot-welds and a cleaner appearance.
High Strength Steel
To achieve the high rigidity that promotes a smooth and quiet ride, crisp steering and handling, safety performance and long-term durability, the TLX utilizes six different grades of high-strength steel (HSS) in 52 percent of its body structure by weight. This high-grade, high-tensile strength steel adds the required rigidity for these positive traits without adding excessive weight, which in turn enhances fuel efficiency and lowers emissions. Altogether, 59 percent of the TLX body is created from a combination of high-strength steel, aluminum and magnesium.
High strength steel uses include:
- USIBOR - USIBOR is a boron-alloyed steel with an aluminum-silicon coating that protects against oxidation during the heating, forming and hardening process. This high-strength hot-stamp steel is used for the TLX's door opening rings, for 5 percent of the unit body.
- 980 grade HSS - Used in certain key structural points such as the front edges of the door sills, and in the A-pillars and B-pillars, for 2 percent of the unit body.
- 780 grade HSS - Used for most structural load paths for ACE™, including the side sills and forward spars of unit body, for 2 percent of the unit body.
- 590 grade HSS - Used for the front frame spars, floor and roof supports, for 35 percent of the unit body.
- 440 grade HSS - Used in the front bulkhead, and in front and rear energy-absorbing structures, for 5 percent of the unit body.
- 340 grade HSS - Sheet steel is used in the roof, for 3 percent of the unit body.
Aluminum stampings are used in certain key locations to reduce the Acura TLX's curb weight, which provides benefits in handling, fuel efficiency and emissions reductions. Altogether, the aluminum components comprise 6 percent of the TLX's body weight, a savings of 27.8 pounds compared to comparable steel components.
Among the aluminum body components are:
- Front bumper beam
- Rear bumper beam
- Front subframe (hybrid aluminum/steel)
Magnesium Steering Hanger Beam
Located inside the instrument panel, a 3-piece magnesium steering-hanger beam serves as a structural attachment point for the steering column, pedals and instrument panel, as well as a structural element that helps the passenger cabin retain its shape in certain collisions. This single robust magnesium component makes up 2 percent of the TLX's body weight.
The steering-hanger beam offers several advantages:
- Simple construction - Created from just three parts instead of multiple extrusions and stampings, the magnesium steering hanger brace improves construction precision.
- Light weight - The magnesium steering hanger beam saves 2.7 pounds compared to a comparable aluminum and steel assembly, helping to advance the TLX's ride and handling, improve fuel efficiency and lower emissions.
- Exacting fit and finish - The accurate tolerances of the magnesium steering hanger brace allow precise instrument panel fit, improving overall interior quality.
The newly restyled Acura TLX makes extensive use of versatile, reliable, efficient and effective LED lighting. From the dramatic Jewel Eye™ headlights to the convenient puddle lights and back to the taillights, the LED lighting provides crisp, bright, energy-efficient and long-lasting illumination that directly improves the driving and ownership experience. A summary of exterior lighting includes:
- Forward Lighting
- LED headlights and new turn signals
- LED parking and new side marker lights
- LED under-mirror puddle lights (Advance Package)
- LED front fog lights (A-Spec and Advance Package)
- Rear Lighting
- LED tail lights
- LED new side marker lights and trunk-lid lights with incandescent-bulb backup lights
- LED Center High Mount Stop Lights (CHMSL) with integrated cover
- LED license-plate lights
Jewel Eye™ LED Headlights
Acura's redesigned Jewel Eye™ LED headlights give the TLX an advanced appearance while producing superior down-the-road illumination. The headlights utilize an array of high-intensity LED lamps to deliver outstanding light distribution, distant irradiation performance and light characteristics with a wavelength close to the human eye's luminosity curve. With five "Jewel Eye" lights per side, the LED lights provide improved down-the-road visibility compared to HID and halogen headlights.
On each side of the TLX, the low beams consist of three LED lights, while the innermost LED lights are utilized for high beams. The daytime running light (DRL) function utilizes all five lenses illuminated by LED's that are clearly and dramatically visible even in bright sunlight. Altogether, they create a dramatic and distinctive appearance with superior lighting capability.
Both the low- and separate high-beam LED headlights offer outstanding performance in all nighttime driving conditions, including highway, winding roads, intersections, and in inclement weather conditions. The result is that the driver can see farther ahead with uniformity, making high-speed nighttime driving easier and less fatiguing.
A summary of LED benefits include:
- Outstanding light distribution
- Excellent distant illumination performance
- Clear illumination of the road surface and white lines
- High visibility of the entire visible color spectrum (white, red, green, blue and yellow) compared to HID and halogen headlights
- Response time when switching between low and high beam is shortened
- Light congruity is improved between low and high beams
- Reduced power requirement - TLX's LED headlights use 41 percent less power than traditional halogen headlights, contributing to the TLX's overall operating efficiency.
- With an estimated life expectancy of 10,000 hours, the LED headlights are projected to last five times longer than HID headlights and 10 times longer than traditional halogen headlight bulbs.
LED Fog Lights
Included on the A-Spec and Advance Package TLX, LED fog lights are positioned at the lower corners of the front fascia for maximum effectiveness and a bold appearance. The fog lights are trapezoidal on the Advance Package and round on the A-Spec.
LED taillights are part of the TLX's comprehensive exterior lighting array. Highly stylized to compliment the TLX body design, they are also brighter than traditional incandescent-bulb taillights, with a longer projected lifespan. Use of LEDs allows the addition of a "light pipe" styling element extending across the top of the lenses, contributing to the TLX's unique blend of design and engineering.
LED Puddle Lights
Included in the Smart Entry system, LED puddle lights positioned on the undersides of both side mirror housings enhance convenience when entering or leaving the vehicle. The LEDs automatically illuminate when the TLX detects the key fob approaching, in concert with the automatic interior illumination. The puddle lights also illuminate when the driver puts the TLX in Park and leaves the vehicle, fading off after about two seconds after locking the doors, or 30 seconds if the doors are not locked.
LED Side Mirror Lights
Stylistically keying off the Jewel Eye™ LED headlights, each TLX mirror has LED lights fused into the mirror housing. The LEDs illuminate when the turn indictors are activated, providing extra visibility and a high-tech appearance.
Auto-Dimming Side Mirrors
Included in the Advance Package, auto-dimming side mirrors use the same activation sensor as the TLX's auto-dimming inside rearview mirror. The auto-dimming function of all three mirrors helps reduce glare during nighttime driving, especially from the headlights of following vehicles.
Power Folding Side Mirrors
New for the 2018 TLX, a power-folding feature in the Advance Package allows the outside mirrors to be folded against the body sides when the vehicle is parked, reducing the chance of damage to the mirror housing in tight parking areas. The power-folding feature can be activated by pressing a switch on the driver's door armrest when the transmission is in Park or Neutral and the ignition switch is in the Accessory or On mode.
To reduce noise in the cabin, the TLX utilizes a 4.5-mm thick, 3-layer acoustic windshield that consists of two layers of safety glass, separated by a thin acoustic resin center. The windshield reduces wind noise on in the higher-frequency ranges, contributing to a luxurious feeling of isolation in the cabin. Also helping to mitigate wind, road and traffic noise in the cabin is 5.0-mm thick front door glass.
Auto Up-Down Side Windows
The 2018 Acura TLX has power front and rear side windows with an auto-open and auto-close feature with anti-pinch.
Advanced Windshield Wiper System
The sleek, flat design of the wiper blades adds to the TLX's visual appeal. The flat blade design improves aerodynamic performance and reduces wind noise. The driver's side windshield wiper blade is 26 inches long to efficiently sweep rain from the windshield ahead of the driver. The passenger side wiper is 17 inches long, effectively clearing the right side of the windshield.
Headlights On With Wipers
Laws in some states require drivers to turn on the headlights when the wipers are operating in the rain. The TLX helps its driver comply with these laws by automatically illuminating the headlights when the wipers are activated for five cycles or more (with headlight switch in AUTO).
Rain Sensing Wipers
Included in the Technology, A-Spec and Advance Packages, rain-sensing wipers automatically activate if water is detected on the windshield.
The TLX was designed to deliver vault-like quietness in all driving conditions, with major improvements achieved through enhancements in body stiffness, body and door sealing, and widespread sound insulation.
Acoustic Spray Foam
Applied to the unit body in 10 crucial locations around the door openings, acoustic spray foam helps create a solid foundation for a quieter cabin. The application process is automated and computer controlled, with the foam curing in 7 to 11 seconds after application for a highly precise and effective process.
Additional Materials and Sealing
Additional sound-absorptive materials are used throughout the unit body and interior, each dedicated to blocking a particular noise type and frequency. The materials include Thinsulate insulation, body sealers, noise-absorbing carpeting, and high-density and dual density melt sheets. Liquid Applied Sound Deadening (LASD) is used in the trunk. Key areas of attention include the TLX's dashboard lower and floor area. The end result is reduced road noise and drumming on both concrete and asphalt surfaces, along with lower engine noise, for a more relaxing and pleasant driving experience.
Significant reductions in both high-frequency and mid-frequency noise heard in the cabin were achieved by lowering the windshield-wiper height and optimizing the shape of the side mirrors. Special sealing methods in the B-pillars and C-pillars, and between the door gaps, further reduce audible wind noise.
The TLX has 360-degree double seals that surround each passenger door. In addition, the TLX uses a third set of gap seals, positioned at the front, center, and bottom edges of each door (and the trailing edge of the rear doors) that help eliminate potential noise source caused by turbulent airflow in the cavities around the door hinges and latches. The doors' internal steel stampings receive further sound insulation in the form of large acoustic hole seals, internal foam sound barriers, and specially targeted B-pillar plugs.
Electric Trunk Lid Release
There are four ways to open the trunk: 1) by pressing the trunk opener switch located on the driver side instrument panel; 2) with the key fob; 3) with the trunk opener switch located in the middle of the trunk, underneath the trunk lid overhang; and 4) if the electric trunk release is inoperative, by using the key stored in the key fob. The trunk's emergency key cylinder is located beneath a cover near the head restraint on the driver's side rear seatback.
For 2018, all TLX models feature a molded cargo bin (previously only offered on the Advance Package) increasing cargo volume to 14.3 cu. ft. (up from 13.2 cu. ft.). There is no difference in storage capacity for the TLX 2-wheel-drive models and TLX SH-AWD.
The trunk features an easy 27.5-inch load-in height, a broad 44-inch wide opening, and a flat, wide interior floor that makes loading and unloading cargo easier. The flat floor extends from the rear bumper area, forward to the rear seatback for maximum usability. The trunk hinges are fully hidden for a better visual appearance and to eliminate the possibility of catching on stored items. The 60/40 split-folding rear seatbacks allow storage of large or bulky items such as bicycles, skis or boards, or flat-screen televisions.
Cargo Bin System
All TLX models now include a versatile trunk underfloor storage system that provides convenient storage for such items as groceries, emergency tools and other small items. The flip-up floor reveals a 25-inch wide x 11-inch long x 9-inch deep storage bin. This bin is ideal for everyday items such as groceries, shoes, etc. Flipping the floor panel again reveals an additional storage area designed for emergency tools, jumper cables, etc. A molded carrier holding the TLX's towing eyebolt and tire-inflator kit is also located in this area. Finally, a reversible floor panel -- carpeted on one side, plastic on the backside -- can be used when wet or messy items like raincoats, umbrellas or beach towels need to be carried in the trunk.
The 2018 Acura TLX is offered in eight desirable exterior colors, including one solid, two metallic and five pearl. All colors have a strong character, offering expressive contrasts that complement the 2018 TLX's new body-panel curves and angles, while also exhibiting a smart luxury appearance. The acid-resistant epoxy clear-coat paint is superior to typical clear-coat paints for increased resistance to urban pollutants.
The TLX's interior is designed and engineered to provide a high degree of refinement, luxury, comfort and technological sophistication while supporting an exhilarating driving experience. With roomy seating for five, along with a standard 60/40 split-folding rear seatback, the TLX combines welcoming passenger comfort with cargo carrying versatility. High-end premium elements include a soft-touch, one-piece instrument panel upper cover, alloy and woodgrain appliques and available leather seating. The TLX's two-screen center stack interface has new simplified menu structure to speed operation and boost ease of use.
The new TLX A-Spec offers a host of sporty interior refinements and premium features, including more aggressively bolstered sport seats, red LED ambient light piping, brushed aluminum-look interior trim, as well as a wireless phone charging pad in the center console.
The TLX sport sedan interior builds on Acura's interior
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