2018 Acura RLX Sedan

City mpg:
20
Highway mpg:
29

Actual rating will vary with options, driving conditions, habits and vehicle condition.

2018 Acura RLX Sedan Overview

The standard features of the Acura RLX Base include 3.5L V-6 310hp engine, 10-speed automatic transmission with overdrive, 4-wheel anti-lock brakes (ABS), integrated navigation system, SmartVent side seat mounted airbags, curtain 1st and 2nd row overhead airbags, driver knee airbag, airbag occupancy sensor, automatic air conditioning, 19" aluminum wheels, cruise control, distance pacing, ABS and driveline traction control.

2018 Acura
RLX Sedan

Starting at: $54,900

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Specifications

  • Air conditioning
  • Automatic temperature control
  • Front dual zone A/C
  • Rear air conditioning
  • Power moonroof
  • Speed control
  • Distance pacing cruise control
  • Power windows
  • 1-touch down
  • 1-touch up
  • Remote keyless entry
  • Illuminated entry
  • Tilt steering wheel
  • Telescoping steering wheel
  • Auto-dimming rearview mirror
  • Driver vanity mirror
  • Passenger vanity mirror
  • Garage door transmitter - HomeLink
  • Navigation system
  • Front beverage holders
  • Rear beverage holders
  • Overhead console
  • Driver door bin
  • Passenger door bin
  • AM/FM radio - SiriusXM
  • CD player
  • CD-MP3 decoder
  • Internal memory capacity (GB) - 15 GB
  • Premium audio system - Acura/ELS Studio
  • Radio data system
  • Steering wheel mounted audio controls
  • Speakers - 14
  • Speaker type - Acura/ELS Studio
  • Wireless phone connectivity - Bluetooth HandsFreeLink
  • 1st row LCD monitors - 3
  • Primary LCD size - 8.0"
  • Smart device integration - AcuraLink
  • Basic warranty - 48 months/50,000miles
  • Powertrain warranty - 72 months/70,000miles
  • Corrosion perforation warranty - 60 months/ unlimited distance
  • Roadside assistance coverage - 48 months/50,000miles
  • Max seating capacity - 5
  • Front seats - bucket
  • Power driver seat
  • Power 4-way driver lumbar support
  • Power passenger seat
  • Front center armrest
  • Power 4-way passenger lumbar support
  • Heated front seats
  • Rear seats - bench
  • Rear seat center armrest
  • Leather upholstery
  • Engine displacement - 3.5 L
  • Engine horsepower - 310hp @ 6,500RPM
  • Engine torque - 272 lb.-ft. @ 4,500RPM
  • Engine bore x stroke - 88.9mm x 94.0mm (3.50" x 3.70")
  • Compression ratio - 11.50 to 1
  • GVWR - 2,038kg (4,493lbs)
  • Exterior length - 5,032mm (198.1")
  • Exterior body width - 1,890mm (74.4")
  • Exterior height - 1,466mm (57.7")
  • Wheelbase - 2,850mm (112.2")
  • Turning radius - 6.2m (20.2')
  • Front legroom - 1,074mm (42.3")
  • Rear legroom - 986mm (38.8")
  • Front headroom - 955mm (37.6")
  • Rear headroom - 937mm (36.9")
  • Front hiproom - 1,420mm (55.9")
  • Rear hiproom - 1,384mm (54.5")
  • Front shoulder room - 1,514mm (59.6")
  • Rear shoulder room - 1,448mm (57.0")
  • Passenger volume - 2,891L (102.1 cu.ft.)
  • Interior cargo volume - 422 L (15 cu.ft.)
  • Interior maximum cargo volume - 422 L (15 cu.ft.)
  • Rear cargo - trunk
  • Power door mirrors
  • Heated door mirrors
  • Turn signal indicator mirrors
  • Door mirrors - body-color
  • Bumpers - body-color
  • Engine liters - 3.5
  • Cylinder configuration - V-6
  • Horsepower - 310hp @ 6,500RPM
  • Torque - 272 lb.-ft. @ 4,500RPM
  • Number of valves - 24
  • Variable valve control
  • Variable intake manifold
  • Cylinder deactivation
  • Engine location - front
  • Recommended fuel - Premium Unleaded
  • Transmission - 10 speed automatic
  • Mode select transmission
  • Manual-shift auto - Sequential SportShift
  • Drive type - front-wheel
  • Fuel economy combined - 23mpg
  • Fuel tank capacity - 18.5gal.
  • Fuel economy city - 20mpg
  • Fuel economy highway - 29mpg
  • 4 wheel disc brakes
  • ABS brakes
  • Brake assist
  • Dual front impact airbags
  • Dual front side impact airbags
  • Overhead airbag
  • Knee airbag
  • Occupant sensing airbag
  • Panic alarm
  • Perimeter/approach lights
  • Ignition disable
  • Security system
  • Electronic stability
  • Traction control
  • Anti-whiplash front head restraints
  • Four wheel independent suspension
  • Front anti-roll bar
  • Rear anti-roll bar
  • Power steering
  • Speed-sensing steering
  • Alloy wheels
  • Front tires - 245/40WR19.0
  • Rear tires - 245/40WR19.0
  • Wheel size - 19"
  • Tires - performance
  • Delay-off headlights
  • Variably intermittent wipers
  • Rain sensing wipers
  • Speed sensitive wipers
  • Rear window defroster
  • Front reading lights
  • Rear reading lights
  • Display - analog
  • Tachometer
  • Heads up display
  • Compass
  • Outside temperature display
  • Low tire pressure warning
  • Trip computer
  • Lane departure - active
  • Blind spot sensor - Blind Spot Information System warning
  • Forward collision - mitigation
  • Rear collision - Rear Cross Traffic Monitor warning
  • Exterior parking camera rear

Trims

  MSRP Engine Transmission City/Hwy mpg
V6 with Technology Package 2018 Acura RLX Sedan V6 with Technology Package Search New $54,900   310-hp 3.5L 6-cyl  10-spd auto  20 / 29  

Reviews

Driving Impression

Editor:
New Car Test Drive
“”

The V6 comes with a new 10-speed automatic. With 310 horsepower, the RLX accelerates with just a small amount of urgency.

As for handling, the front-wheel-drive RLX leans into corners casually. At low speeds, it uses rear-wheel steering, as sensors on the rear wheels turn them in the opposite direction of the front wheels.

It absorbs bumps without fuss. It’s not the kind of car that needs an adaptive suspension as found on some rivals.

The Sport Hybrid takes the 3.5-liter V6 and combines it with three electric motors, two 27-kw motors in the rear differential to drive each rear wheel, and the third for the front wheels, thus all-wheel drive. The powerplant makes a combined 377 horsepower and 341 pound-feet of torque. It responds quickly, and accelerates with the thrust of an electric car; the zoom feel endless. The electric motors seem to make the shifts of the 7-speed dual-clutch transmission smoother.

The power perpetually shifts between wheels, as determined by sensors, for optimum traction and grip, amounting to torque vectoring. We found the traction in rain with the all-wheel drive outstanding.

The steering in the 2018 RLX Sport Hybrid that we drove felt heavier than the 2017 RLX models with V6 engines we have driven. The light touch at higher speeds was gone. It remained light at low speeds, thanks to that rear-wheel steering, but got heavier and stayed that way on the highway, including in corners.

The well-tuned suspension on the hybrid is excellent at damping a wide range of bumps, again without being electronically or otherwise adaptive. The creamy ride comes on soft springs and absorbent tires.

Walk Around

Editor:
New Car Test Drive
“”

The new hood has more character lines, and the new grille has a handsome diamond pattern. The grille and LED lighting resembles that on the MDX sport utility vehicle. In the rear, LED taillamps trace a ribbon of light around the corners. It’s the most dramatic thing about the styling. There’s also a rear diffuser in glossy black plastic. Liberal use of brightwork adds flash.

The styling is improved, but it’s banal, resembling the last-generation Honda Accord. You have to park a 2018 RLX beside a 2017 RLX to recognize a difference. Competitors like the Audi A7 hatchback and Mercedes-Benz E-Class sedan flaunt extravagant curves to make the RLX forgettable.

Interior Overview

Editor:
New Car Test Drive
“”

Compared again to the Audi A7 and Mercedes-Benz E-Class, the wide cabin of the RLX falls short in the lavish department. Fit and finish are good, but the cabin lacks passion. The low dash is a design of twin arcs around the center console, but there’s no design theme apparent.

The front seats are more supportive for 2018, and they are cozy, with contrasting stitching; there’s a new shade we like for 2018 called Espresso. The front seats are heated and have 12-way power support. On the Sport Hybrid, the front seats are cooled.

In the front, there’s excellent kneeroom and headroom, while the passenger footwell is wide and flat.

The rear isn’t so good. Wide door openings make entry and exit easy, and the seat cushions are supportive and shaped well, but the sloped roofline limits rear headroom. Tall passengers graze the headliner, a problem uncommon to sedans this size.

There’s good storage space in the cabin, but the trunk is small, at 14.9 cubic feet. The Sport Hybrid has even less, 12 cubic feet, although that’s more than last year, thanks to a reshaped battery pack.

The dual-screen infotainment system is aged, if not ancient. With the two screens functioning differently, it’s neither fluid nor intuitive. The good news is there are a lot of buttons and switches, so it can be largely avoided. RLX models do not offer Android Auto and Apple CarPlay.

Summary

Editor:
New Car Test Drive
“”

The Acura RLX is a smooth and comfortable sedan for the daily commute. It doesn’t stand out in the class, however, with unexciting looks, a dated, uninteresting cabin, and a less-than-thrilling V6. Ride quality is great, handling is benign. The Sport Hybrid stands out for its mechanical ingenuity.

Sam Moses contributed to this review; with staff reports.

Model Lineup

Editor:
New Car Test Drive
“”

The 2018 Acura RLX ($55,865) comes with leather upholstery, heated power front seats, keyless ignition, navigation, ELS premium audio, and the safety equipment.

The RLX Sport Hybrid ($62,865) adds surround-view camera system, heated rear seats, cooled front seats, front and rear parking sensors, and 14-speaker Krell audio with crystal-clear sound.

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