The Acura TLX framework incorporates a latest versions of dual apex Acura doing technologies — Precision All-Wheel Steer™ (P-AWS) customary on a front-wheel expostulate TLX models, and Super Handling All-Wheel Drive™ (SH-AWD®) on a V6 powered all-wheel-drive models. Both systems are engineered to broach discerning and accurate energetic capabilities in a automobile that responds directly and accurately to a will of a driver.
These technologies are anchored by a TLX’s firm unit-body structure and a MacPherson strut front and multi-link back cessation with Amplitude Reactive Dampers (ARD). Stable and manageable automobile energetic duty is serve aided by Acura’s Agile Handling Assist (AHA) record and, in some-more serious maneuvers, by Vehicle Stability Assist™ (VSA®).
These framework facilities conclude a many modernized Acura TLX to date from a energetic standpoint, a automobile that supports a needs of a motorist in roughly any condition: discerning and manageable in sporty pushing environments; fast and sure-footed in puncture maneuvers; palliate and still during long-distance cruising.
The TLX also allows a estimable class of customization by a Integrated Dynamics System (IDS) with 4 modes — ECON, Normal, Sport and Sport+ settings — that take a TLX from relaxing to risque all during a hold of a button.
Unique A-Spec Features
Components that assistance a new TLX A-Spec transcend all prior TLX models in steering and doing are low-profile 245/40R 19-inch tires and sport-tuned suspension, including dampers and revised electric energy steering (EPS); springs and back stabilizer bar on SH-AWD models; and Precision All-Wheel Steer™ (P-AWS) algorithms on front-wheel expostulate models. These changes considerably urge steering response, handling, feedback and hold with minimal concede in float comfort. This furthers a updated 2018 TLX’s interest as a competition sedan, while still progressing a float peculiarity and low sound levels approaching of a oppulance sedan.
The A-Spec’s revised electric energy steering (EPS) formula in incomparable responsiveness during automobile speeds above 42 mph, compared to other 2018 TLX models. The specifically tuned A-Spec steering complement also contributes to incomparable on-center steering feel.
In addition, wider wheels (8.0 inches instead of 7.5 inches as on other TLX models) and low-profile 245/40R19 Michelin Primacy MXM4 tires, that yield 20 mm incomparable breadth and a stiffer sidewall, assistance urge steering response and altogether grip.
Key Chassis Features
TLX and TLX with Technology Package
- NEW: 17-inch aluminum amalgamate wheels
- 225/55R17 high-performance all-season tires
- MacPherson strut front suspension
- Multi-link back cessation
- Amplitude Reactive Dampers
- Front Cast-Aluminum and Steel Subframe
- Rear steel subframe
- Motion-Adaptive Electric Power Steering (MA-EPS)
- Agile Handling Assist (AHA)
- Vehicle Stability Assist™ (VSA®)
- Integrated Dynamic System (IDS)
- Motion-Adaptive Electric Power Steering (MA-EPS)
- Precision All-Wheel Steer™ (P-AWS)
- 4-wheel front brakes with ABS
- Premium Bosch 6-piston stop modulator
- Electronic Brake Distribution with Brake Assist
- Electric Parking Brake and Hill Start Assist
- Tire Pressure Monitoring System (TPMS) and Fill Assist
- Tire scold kit
- Capless fueling system
- 17.2-gallon fuel capacity
TLX V6 adds:
- NEW: Available 18-inch 15-spoke aluminum amalgamate wheels (Advance Package)
- 18-inch apart 5-spoke aluminum amalgamate wheels
- 225/50R18 high-performance all-season tires
- Available Super Handling All-Wheel Drive™ (SH-AWD®)
TLX V6 A-Spec adds:
- NEW: 19-inch aluminum amalgamate wheels
- NEW: 245/40R19 high-performance all-season tires
- Revised EPS, P-AWS and ASC settings
- Revised check rates
- Revised springs and back stabilizer bar (SH-AWD® only)
Front Cast-Aluminum and Steel Subframe
The TLX employs a cast-aluminum and steel “hybrid” front subframe to revoke highway aspect quivering and startle inputs for a smooth, still ride. The subframe supports a engine, transmission, front cessation and steering system. The front territory of a subframe is steel, and a back territory is expel aluminum. The sections are assimilated with a friction-stir-welding routine to form a singular high-strength, lightweight territory that provides ideal float and doing properties. Altogether, a front subframe, along with a revoke arm hydro-bushing, reduces straight and fore/aft army felt during a front seats.
MacPherson Strut Front Suspension
MacPherson strut front cessation with Amplitude Reactive Dampers provides accurate and enchanting doing performance, a manageable feel for a driver, and lush float quality. Specially tuned hydro-compliance bushings urge insurgency to shimmy and also revoke a intensity for stop judder, serve boosting a TLX’s excellence and pushing character. SH-AWD models have an increasing open rate compared to front-wheel expostulate models.
Rear Steel Subframe
Constructed of high-tensile steel, a back subframe uses hydraulic mounts, along with high fitting-point stiffness, to revoke highway aspect quivering and startle inputs for a well-spoken float and low noise. The back subframe reduces straight and fore/aft army felt during front seats. In addition, on TLX models with Super-Handling All Wheel Drive (SH-AWD), a back subframe facilities a 4-point differential ascent system. Its bushing rates are specifically calibrated to revoke a delivery of driveline sound and quivering into a automobile body, while also assisting to say float quality.
Multi-Link Rear Suspension
Multi-link back cessation with Amplitude Reactive Dampers provides optimal doing agility, motorist certainty and float sophistication. Geometry, including back toe control, is optimized for doing competence, fortitude and a worldly float in a accumulation of urban, highway and open-road pushing scenarios. The complement includes multi-link control arms, control-arm bushings that are optimized for a best mix of noise, quivering and rudeness (NVH) siege and doing precision, and Amplitude Reactive Dampers.
TLX SH-AWD models have an increasing open rate as compared to front-wheel expostulate TLX models. Both a 4-cylinder TLX and V6 SH-AWD models have a 24.7-mm hole back stabilizer bar, while a front-wheel expostulate V6 has a 25.4-mm hole back stabilizer bar. The TLX A-Spec SH-AWD has a incomparable 25.4 mm back stabilizer bar that serve enhances turn-in and reduced physique hurl during cornering.
Amplitude Reactive Dampers (ARD)
Acura’s Amplitude Reactive Dampers yield both higher float comfort and sporty handling, assisting a TLX yield a truly enchanting pushing knowledge in all pushing situations. Two apart damping mechanisms are utilized, with one tuned for limit potency on smoother roads with tiny inputs and a other tuned to hoop vast inputs such as serious roads, potholes, and remarkable steering and braking action. Front triple-path check mounts serve urge float comfort though sacrificing handling. The outcome is a automobile that stays stoical and gentle in a far-reaching operation of conditions.
Amplitude Reactive Dampers have dual apart damping pistons. To urge altogether float comfort, when smaller inputs start during normal pushing conditions, usually a categorical piston works to yield a ideal damping characteristics. To urge a TLX’s float and doing during some-more serious conditions, a second piston operates to yield additional damping force.
Amplitude Reactive Dampers work on a quite mechanical/hydraulic basement and do not need electronic controls.
Vehicle Stability Assist™ (VSA®)
The TLX’s Vehicle Stability Assist™ (VSA®) works in and with a Drive-by-Wire stifle complement and ABS to raise automobile fortitude when cornering: If automobile understeer or oversteer is detected, a complement selectively reduces energy and/or relates braking force to particular wheels to assistance scold a condition and stabilise a vehicle.
VSA also supports a operation of accessible driver-assistive technologies such as Adaptive Cruise Control (ACC) with Low-Speed Follow, Collision Mitigation Braking System™ (CMBS) and Road Departure Mitigation (RDM). The advantages of a TLX’s VSA complement embody discerning response with well-spoken activation, rarely accurate control and brake-pedal feel, and low doing noise, quivering and rudeness (NVH).
In addition, VSA monitors circle slippage, such as when starting on pointy surfaces or rags of ice. If slippage is detected, VSA activates one or some-more stop calipers and reduces engine torque to delayed a spinning wheel(s) so traction can be regained. VSA is enclosed on all front-wheel expostulate and SH-AWD models.
Integrated Dynamic System (IDS)
ECON, Normal, Sport and Sport+ modes concede a motorist to customize their pushing experience. The modes are driver-selectable around a console-mounted symbol (labeled “Dynamic Mode”) and are displayed on a Multi-Information Display located between a tachometer and speedometer. ECON, Normal and Sport are selectable as default, or last-used modes, while Sport + defaults to Sport during ignition off, and contingency be reselected after a restart. ECON mode favors high fuel efficiency, while Normal mode is for bland driving. Sport mode enhances throttle, EPS and P-AWS response or SH-AWD rear-wheel torque-vectoring control to whet automobile dynamics, while Sport+ mode enhances delivery change mapping, maximizing performance.
Motion-Adaptive Electric Power Steering (MA-EPS)
The TLX’s Motion-Adaptive Electric Power Steering offers accurate approach feel, high energy-efficiency, tunable response and strong active safety. MA-EPS responds now to steering submit and automatically changes a volume of energy support suitable to a vehicle’s speed. Its idealized steering bid and linearity, glorious on-center feel, minimal torque expostulate and limit parking palliate provides a gratifying pushing knowledge underneath all conditions.
Additional facilities and advantages include:
- Quick steering ratio helps yield a sharp, sporty energetic response.
- High-stiffness bushings urge steering pointing and feel.
- Next-generation control proof provides smoother feel on serious roads.
The Motion-Adaptive EPS complement consists of a rack-and-pinion steering rigging with an electric engine commissioned concentrically around a steering rack. To control a spin of support a Powertrain Control Module receives signals from a speed sensor and, joined with a steering sensor for torque and rotation, afterwards calculates a optimal volume of support and sends a vigilance to a electric motor.
When compared to a operation of a compulsory hydraulic siphon energy steering system, a easier MA-EPS increases potency since it does not lift a continual volume of energy directly from a engine. Other advantages of electric power-assisted steering embody simplicity, and compactness.
Vehicle Stability Assist™ (VSA®) Integration
MA-EPS and Vehicle Stability Assist™ (VSA®) work together as one worldly complement to significantly raise active safety. The fortitude record triggers steering inputs that prompt a motorist to expostulate in a scold instruction when a boundary of traction are approached.
Using automobile speed and steering angle data, MA-EPS works with VSA to detect instability in low traction conditions (both during cornering and underneath braking) and automatically triggers steering inputs directed during call a motorist to expostulate in a scold direction. This modernized record supports a driver’s movement in doing a automobile some-more safely and comfortably.
Below are 3 examples of how MA-EPS works as partial of VSA.
- Mitigates Understeer — Helps scold steering inputs to lessen understeer and assistance a motorist snippet a bend of a road.
- Mitigates Oversteer — Helps scold steering inputs to lessen oversteer and assistance a motorist snippet a bend of a road.
- Stabilizes Braking — Helps scold steering submit to revoke automobile instability when braking tough on highway surfaces with varying attrition coefficients (such as cement that is usually partially lonesome with mud or snow).
Integrated Dynamics System (IDS) Integration
MA-EPS also integrates with a TLX’s customary Integrated Dynamics System (IDS). At a driver’s discretion, a steering response can be switched between dual striking steering settings (Normal: when in Normal or ECON, and Sport: when in Sport or Sport+). (See subsequent for some-more information.)
Precision All-Wheel Steer™ (P-AWS)
Standard on all front-wheel expostulate TLX models, Precision All-Wheel Steer™ (P-AWS) helps a TLX motorist uniformly and simply snippet a preferred line with smaller steering-wheel inputs. The outcome is superb energetic opening during all speeds, providing a TLX motorist with a many enchanting pushing knowledge possible.
P-AWS provides eccentric electronic control of rear-wheel toe angles. Benefits of a complement include:
- Minimized branch radius with neater execution of pointy low-speed turns
- Improved response for discerning steering maneuvers such as line changes
- Enhanced lively and liveliness in tight, civic conditions
- More certainty and control on circuitous highway on- and off-ramps
- Greater lively on circuitous roads
- Quicker and some-more effective puncture steering response
- Increased straight-line highway stability
- Confident braking fortitude
- Improved high speed response and fortitude in winter pushing and when Vehicle Stability Assist™ (VSA®) is activated
TLX Precision All-Wheel Steer™ Detail
Key components of P-AWS embody eccentric electrically assisted left/right toe-control actuators, special control arms and cessation uprights and an electronic control territory that is related around a dedicated Control Area Network (CAN) to a Electric Power Steering (EPS), Vehicle Stability Assist™ (VSA®), braking and engine control systems.
In operation, P-AWS invariably monitors and calculates a scold volume of rear-toe angle submit compulsory for a conditions, examining steering input, engine and highway speed, transmission, stifle position, stop pressure, bend rate, parallel acceleration and other factors. The limit volume of rear-wheel toe angle composition is 1.8 degrees in possibly instruction (positive or negative) for a sum operation of 3.6 degrees.
P-AWS automatically and ceaselessly adjusts a toe angle of any back circle to compare pushing situations such as branch during an intersection, pushing on breezy roads, merging or exiting a highway, high-speed maneuvers or snowy conditions. The P-AWS complement provides confidence-building cornering capability by softened responsiveness and automobile control. Examples include:
- Secure Highway Cruising — When a motorist triggers a lane-change maneuver requiring that a TLX orderly pierce into a subsequent lane, a P-AWS complement adjusts a back circle toe angles in proviso (the same direction) with a front wheels enabling quick, purify and fast maneuvering.
- City Agility and Easy Parking — For sharp low-speed turns, such as on city streets or in parking lots, a P-AWS complement adjusts a back circle toe angles out of proviso (the conflicting direction) with a front wheels. This formula in a tighter branch radius and reduces motorist effort.
- Fun to Drive on Winding Roads — When tracing a lines of a twisty highway (or assisting a TLX lane quietly in snowy conditions) a P-AWS complement counteracts understeer by assisting broach bend — a compulsory rotational outcome — by a corner.
P-AWS can yield rear-wheel toe-in, in-phase steering or out-of-phase steering, depending on a energetic mandate as commanded by a complement ECU. Specific pivotal rear-wheel toe angle adjustments include:
Agile Handling Assist (AHA)
Agile Handling Assist (AHA) extends a P-AWS duty by regulating a brakes in cornering to emanate yaw, or branch motion, assisting a motorist uniformly and simply snippet a preferred line with smaller steering-wheel inputs. AHA stabilizes a automobile progressing than compulsory automobile fortitude support systems, ensuing in some-more flexible and enchanting energetic opening in bland pushing conditions.
Super Handling All-Wheel Drive™ (SH-AWD®)
The TLX SH-AWD facilities a hydraulically-controlled iteration of Acura’s acclaimed Super Handling All-Wheel Drive (SH-AWD), that gradually distributes best torque not usually between a front and back axles, though also between a left and right back wheels. Like a P-AWS counterpart, a TLX SH-AWD complement is complemented by a stop torque outcome of Agile Handling Assist.
2018 TLX V6 A-Spec with Super Handling All-Wheel Drive (SH-AWD)
The advantages of a SH-AWD complement are higher all-weather doing and neutral, accurate steering underneath power. By rotating a outward back circle faster than a front spindle while cornering, SH-AWD uses torque vectoring to emanate a bend impulse to assistance spin a automobile by a dilemma — shortening understeer and improving controllability. With cornering army some-more uniformly distributed between front and back tires, altogether cornering energy is increasing — on soppy or dry roads. (See Powertrain territory for additional detail).
4-Wheel Disc Brakes with ABS and Brake Assist
The TLX is versed with 4-wheel front brakes with a 4-channel anti-lock braking complement (ABS). The pedal feel is well-spoken and easy to allay in light braking, and linear and agreeably low-effort during middle and tough braking. The outcome is short, assured stops — with glorious pedal feel — underneath all conditions.
The front discs magnitude 12.6 inches in diameter, while a back discs magnitude 12.2 inches in diameter. Optimizing a mass of a rotors and calipers helps urge float quality, doing capability and fuel efficiency, while also delivering superb braking performance.
6-Piston Brake Modulator
The TLX employs a 6-piston stop modulator that provides a ultra-quick braking response compulsory for Vehicle Stability Assist™ (VSA®), Active Handling Assist (AHA), low-speed follow operation, Road Departure Mitigation (RDM), and Collision Mitigation Braking System (CMBS). The stop modulator utilizes 6 pistons to build braking vigour roughly instantaneously, delivering discerning braking response.
Electric Parking Brake (EPB) and Automatic Brake Hold
The multiple of Electric Parking Brake (EPB) and Automatic Brake Hold meaningfully revoke a bid of pushing a vehicle, thereby lifting altogether delight and comfort for a driver.
Electric Parking Brake
The Electric Parking Brake (EPB) on a TLX creates regulating a parking stop easier and some-more comfortable, requiring usually a lift on a symbol on a core console to activate. To recover a parking brake, a motorist simply presses on a accelerator pedal (while a seatbelt is buckled) or pushes on a parking stop switch. In serve to being simpler, some-more accessible and some-more gentle to use than a normal parking brake, a Electric Parking Brake creates mountain starts easier when a TLX is parked on a grade.
The one-touch operation also promotes a use of a parking brake. As with a normal manually activated parking brake, EPB functions on a back wheels only. As an additional benefit, EPB weighs 9.7 pounds rebate than a normal automatic parking brake, assisting to urge a TLX’s altogether opening and fuel economy.
Automatic Brake Hold
The EPB also facilities Automatic Brake Hold, that retains stop vigour when a automobile is stopped, simplifying pushing in complicated trade or hills. This frees a motorist from ceaselessly dire a stop pedal to say a automobile in a stopped position, a poignant alleviation in pushing delight in formidable conditions.
Operating a complement requires dual elementary actions from a driver:
- Activating/deactivating a complement around a switch on a core console
- Pressing on a stop pedal when a automobile comes to a stop
Aluminum Alloy Wheels
The 2018 TLX 4-cylinder facilities an all-new skinny 10-spoke aluminum amalgamate 17×7.5J wheels with a Pewter paint and machined finish. Standard on V6 versed models is a sporty apart 5-spoke aluminum amalgamate 18×7.5J wheels with a Shark Gray paint and machined finish. Included with a V6 Advance Package are lush 15-spoke, 18×7.5J aluminum-alloy wheels. Finally, a new TLX A-Spec gains additional opening interest with 19×8.0J wheels sporting a apart 5-spoke pattern and finished in Shark Gray paint. In addition, 19-inch aluminum-alloy wheels are accessible as an appendage for all TLX grades.
The 2018 Acura TLX wheels during a glance:
The circle orientation are engineered with special low-drag seals that minister to a 4.4 percent diminution in rolling insurgency compared to normal circle temperament seals.
High-Performance All-Season Tires
All TLX models underline high-performance all-season tires that assistance broach an ideal change of float and handling, high fuel efficiency, and low noise, quivering and rudeness (NVH). Four-cylinder TLX models have 225/55R17 97H high-performance all-season tires, while a TLX V6 has lower-profile 245/50R18 95H high-performance all-season tires for extended pushing performance. The new TLX A-Spec has 245/40R19 94V M+S tires for serve opening gains. All tires offer accurate steering feel, high levels of hold in all-season pushing conditions, and low rolling insurgency for incomparable fuel efficiency.
In a TLX A-Spec, a far-reaching and revoke form 19-inch opening tires, together with a revised cessation tuning, offer poignant opening advantages with usually a slight concede in mid-frequency highway noise. And impressively, high-frequency cabin sound levels are reduced from prior TLX models.
The 2018 Acura TLX tires during a glance:
Tire Pressure Monitoring System (TPMS)
A customary Tire Pressure Monitoring System (TPMS) helps a motorist say scold atmosphere vigour to urge pushing reserve and fuel efficiency, as good as revoke wear and rip on a vehicle’s tires. Located in a Multi Information Display (MID), a TPMS striking indicates a vigour in all 4 tires on a real-time basis. A TPMS idol illuminates to warning a motorist whenever any of a tires has a significantly low-pressure reading that requires a driver’s attention.
All TLX models embody Fill Assist, a underline that helps a motorist increase tire pressures to a scold spin though regulating a vigour gauge. Instead, during inflation, Fill Assist sounds an heard warning when a tire reaches a compulsory pressure.
Tire Repair Kit
The TLX facilities an easy-to-use tire scold pack in lieu of a gangling tire. This reduces weight and increases case volume, and simplifies proxy repairs in a eventuality of a prosaic tire. Acura Roadside Assistance supports tire repairs. In addition, a proxy gangling circle and tire are accessible as a Genuine Acura Accessory.
Capless Fueling System
The TLX’s capless fueling eliminates a fuel cap, definition that fueling a automobile simply requires opening a fuel lid, refueling, and afterwards shutting a lid. This intelligent and easy-to-use pattern eliminates a need to hold a unwashed fuel cap, reduces a probability of deleterious a vehicle’s paint with a fuel top or tether, or forgetful a fuel top during a gas station. It also eliminates a probability of activating an emissions warning by unwell to scrupulously re-install a fuel cap. And finally, a capless fueling complement allows a use of a smaller fuel-cap door, that cleans adult a lines of a vehicle.
17.2-Gallon Fuel Capacity
The TLX’s cosmetic fuel tank ability of 17.2 gallons gives a TLX plenty cruising range. The fuel tank is done of high-impact cosmetic for weight rebate and durability. The fuel tank is located in a stable area in front of a back suspension.
Key Chassis Features