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Acura RLX

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Acura RLX
Overview
ManufacturerHonda
Also calledHonda Legend
Production2013–present
Model years2014–present
AssemblySayama Plant, Sayama, Saitama, Japan
Body and chassis
ClassFull-size luxury car
Body style4-door sedan
LayoutFront engine, front-wheel drive / all wheel drive
Powertrain
Engine3.5 L J35Y4 V6
Transmission6-speed automatic (FWD)
7-speed dual-clutch transmission (AWD)
Dimensions
Wheelbase2,850 mm (112.2 in)
Length4,982 mm (196.1 in)
Width1,890 mm (74.4 in)
Height1,465 mm (57.7 in)
Curb weight3969-4003 lbs (FWD) 4312-4359 lbs (AWD)
Chronology
PredecessorAcura RL

The Acura RLX is a full-size luxury sedan manufactured by Honda and sold under their Acura division, released in 2013. Succeeding the Acura RL, the RLX offers two versions, a front-wheel drive base model equipped with Acura's Precision All-Wheel Steer (P-AWS) four-wheel steering system, and a hybrid variant featuring SH-AWD that serves as Acura's flagship.[1]

Development

An October 2009 Car and Driver blog cited a dinner with Acura executives who acknowledged that the introduction of the new, larger, and in some guises, more powerful, fourth generation Acura TL made it difficult to market the then-current RL. In November 2009, an Autoweek article[2] reported that new Honda CEO Takanobu Ito told Automotive News that Acura is going to change course. Speaking of the worldwide economy before the collapse of investment bank Lehman Brothers, Ito said through an interpreter, "Pre-Lehman, we did have the idea to produce more multicylinder engines... I see the future of Acura as a merger of BMW and Audi -- something between high performance and high technology." As a result of this midstream change, Acura will be in a "low-growth period of developing new products," Ito said. "We were thinking that we could come up with glamorous, gorgeous products that would sell. Now, our premium products will be expressed in advanced environmental technologies, rather than glamorous things attached to the product," he said.

RLX Concept

2013 Acura RLX concept

On April 4, 2012, Acura unveiled the RLX Concept, a replacement for the RL sedan, at the 2012 New York International Auto Show.[3]

Release

RLX

The RLX was unveiled at the 2012 Los Angeles Auto Show and went on sale on March 15, 2013. Production of the RL ended at the Saitama facility on June 16, 2012, to begin factory changeover to the RLX.

RLX Sport Hybrid

The RLX Sport Hybrid was debuted at the 2013 Los Angeles International Auto Show.[4] Overall vehicle weight is up 357 lbs, with weight distribution (front:rear) improved from 61:39 in non-hybrids to 57:43 in hybrid models. It is offered as the Honda Legend in Japan. US sales began during September 2014, with 250 models produced for the 2014 model year and an additional 250 produced for the 2016 model year.

Powertrain

A direct injected 3.5-liter "Earth Dreams" V6 using VTEC and Variable Cylinder Management (VCM) coupled with a 6-speed automatic receive an EPA-estimated fuel economy of 20/31/24 mpg (city/highway/combined) and the maximum output is 310 hp and 272 lb-ft of torque. The fuel saving VCM system works in either 6 or 3 cylinder configurations, the new model uses more sophisticated engine mounts which bypasses the need for a 4-cylinder mode which would result in a lower NVH.

Hybrid models feature the VCM capability as well, with an added start-stop system to boost fuel economy further as well as the ability to operate entirely on electric power up to 58 miles per hour with light throttle usage. The hybrid also uses a 7-speed dual clutch transmission using an integrated 35 kW (47 hp) electric motor, with each rear wheel being powered by a 27-kilowatt (36 hp) electric motor, with 2 rear electric motors total. This setup gives the hybrid a torque vectoring all-wheel drive system with rear wheels strictly electrically powered.

A 72-cell 1.3 kWh 66 pound lithium-ion battery pack is placed behind the rear seat. Total power output is rated as 377 hp and 341 lb-ft of torque on hybrid models. EPA estimated fuel economy is improved to 28/32/30 mpg. It is given a CARB emissions rating of LEV III SULEV30 compared to the non-hybrids ULEV-2 ranking.

Chassis

The front subframe is made from aluminum. Front suspension uses a double wishbone layout, while the rear is a multi-link with a Precision All Wheel Steer (P-AWS) system. ZF Sachs (ZF) supplies the "Amplitude Reactive Dampers" with two piston valves per damper. 18-inch wheels are standard, and 19-inch wheels with a noise reducing harmonic construction feature are optional for non-hybrids and standard on hybrids, a feature similar to that used in the previous face-lifted 2011 Acura RL. Suspension tuning is oriented towards the sportier side of comfort.

Interior

Standard perforated leather 12-way (4-way lumbar) front seats are heated and on advance package models cooled, and rear seat room has been significantly improved. Rear legroom is similar to full size luxury flagship sedans (non-extended wheelbase versions). An 8-inch navigation screen along with a 7-inch touch screen display for audio, climate, and various shortcut controls with AcuraLink are also standard.

An optional flagship 14-speaker Krell audio system replaces the Bose system used on the previous model RL.[5] A mid-level 14-speaker ELS Studio Premium system using Panasonic components is also optional.[6] The base ELS Premium system uses 10-speakers.

Hybrid models include an electronic transmission gear selector, head-up display, use acoustic (PVB layered) glass for all doors and the windshield, and navigation is standard. The 14-speaker ELS Studio Premium system is standard and Krell system optional. GPS-linked climate control, voice recognition, and a keyless access system with a push-button start are also standard.

Exterior

The standard Jewel-Eye LED headlamps each use 5 separate LED light sources (4 low beam, 1 high beam) with 10 polished lenses (8 low beam, 2 high beam). The headlights no longer swivel through corners as they did on the previous generation RL. The hood, front fenders, and outer door panels are made from aluminum,[7] aluminum use in the RLX saves a total of 79.1 lbs over steel components.

The hybrid comes standard with LED foglamps.

Safety

All models come standard with a multi-angle rear-view backup camera, Forward Collision Warning system (FCW) and lane departure warning. An automatic braking front precrash system with electronic front seatbelt pretensioners is available, as is a lane keeping assist system and adaptive cruise control. Optional Adaptive Cruise Control with Low-Speed Follow, Blind Spot Information System and automotive head-up display are available.

Brakes with Brake Hold Control holding the car at a stop without the use of a brake pedal, Electronic Brake Distribution, Brake Assist, an Agile Handling Assist that applies the brakes on the wheels inside a curve, and Vehicle Stability Assist are standard.

IIHS scores[8]
Moderate overlap frontal offset Good
Small overlap frontal offset Good1
Side impact Good
Roof strength Good2
1 vehicle structure also rated "Good"
2 strength-to-weight ratio: 5.18
2015 RLX NHTSA scores[9]
Overall:
Frontal Driver:
Frontal Passenger:
Side Driver:
Side Passenger:
Side Pole Driver:
Rollover: / 9.7%

References

  1. ^ "Acura RLX Precision All-Wheel Steering (P-AWS), Sport Hybrid SH-AWD Prototypes". Automobile Magazine. Retrieved November 13, 2012.
  2. ^ "Acura reverses product plans". Autoweek.com. Archived from the original on 4 November 2009. Retrieved 2009-11-23. {{cite web}}: Unknown parameter |deadurl= ignored (|url-status= suggested) (help)
  3. ^ Garrett, Jerry (2012-04-04). "Acura RLX: A Would-Be Flagship Awaits Its Berth". Wheels.blogs.nytimes.com. Retrieved 2012-08-11.
  4. ^ Brandon Turkus. "2014 Acura RLX Sport Hybrid SH-AWD is the V8 alternative we've been waiting for [w/video]". Autoblog. Retrieved 14 July 2015.
  5. ^ "First Listen: 2014 Acura RLX with Krell Audio - Sound & Vision". Retrieved 14 July 2015.
  6. ^ "New Cars, Car Reviews, Car Prices and Auto Shows – MSN Autos". Retrieved 14 July 2015.
  7. ^ "2014 Acura RLX". Motor Trend Magazine. 1 April 2013. Retrieved 14 July 2015.
  8. ^ "Vehicle details". Retrieved 14 July 2015.
  9. ^ "2015 Acura RLX 4 DR FWD". Retrieved 14 July 2015.
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