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2015 Acura RLX

US · Midsize Cars

The 2015 Acura RLX is listed in the US market with gasoline power. Every figure below carries the source it came from, and anything our sources do not publish is left out rather than estimated.

Engine
3.5L 6-cylinder (SIDI)
Power
Not available
Torque
Not available
Transmission
6-speed automatic
Drivetrain
FWD
Fuel
Gasoline
Seating
Not available
Generic outline. Published dimensions for this vehicle are not available.
Specifications at a Glance

Key Performance & Dimensions

Units:
Engine / Powertrain
3.5L 6-cylinder (SIDI)
Power Output
Not available
Peak Torque
Not available
Combined Economy
23 MPG US (10.2 L/100 km) · EPA
Drivetrain
FWD
Transmission
AUTOMATIC
Capacity
Not available
Exterior Dimensions
Not available
Market: US·Switch units anytime to convert horsepower, torque, fuel economy, and dimensions.
Compare 2015 Acura RLX ↗

Engine

Engine
SpecificationValueSource
Engine3.5L 6-cylinder (SIDI)
Displacement3.5 L
Cylinders6
Fuel typeGasoline

Not available from our sources: Aspiration, Power, Torque.

Transmission and drivetrain

Transmission and drivetrain
SpecificationValueSource
TransmissionAutomatic
Gears6
DrivetrainFWD

Fuel economy and range

Fuel economy and range
SpecificationValueSource
Combined23 mpg (10.2 L/100 km)
City20 mpg (11.8 L/100 km)
Highway30 mpg (7.8 L/100 km)

Not available from our sources: Electric range, Battery capacity.

Trims and configurations

1 configuration listed by our sources. Engines, drivetrains and fuel economy can differ between them.

Recalls

NHTSA lists 3 recall campaigns for this model year. Last checked October 13, 2026.

  • 23V858000: FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

    Honda (American Honda Motor Co.) is recalling certain 2013-2023 Honda Accord, Civic Coupe, Civic Sedan, Civic Hatchback, Civic Type R, CR-V, HR-V, Ridgeline, Odyssey, Acura ILX, MDX, MDX Hybrid, RDX, RLX, TLX, 2019-2022 Honda Insight, Passport, 2020 Honda CR-V Hybrid, 2018-2019 Honda Clarity PHEV, Fit, and 2015-2020 Honda Accord Hybrid, Pilot, Acura NSX vehicles. The fuel pump inside the fuel…

    Remedy: Dealers will replace the fuel pump module, free of charge. Owner letters were mailed September 6, 2024. Owners may contact Honda customer service at 1-888-234-2138. Honda's numbers for this recall are KGC and KGD. This recall is an…

    Reported December 18, 2023. View on NHTSA

  • 15V301000: FORWARD COLLISION AVOIDANCE: CRASH IMMINENT BRAKING

    Honda (American Honda Motor Co.) is recalling certain model year 2014-2015 Acura MDX 2WD and AWD, RLX and 2014 Acura RLX Hybrid vehicles. In certain driving conditions, the Collision Mitigation Braking System (CMBS) may incorrectly interpret certain roadside objects such as metal fences or metal guardrails as obstacles and unexpectedly apply the brakes.

    Remedy: Honda will notify owners, and dealers will update the CMBS software, free of charge. The recall began on July 6, 2015. Owners may contact Acura customer service at 1-800-382-2238. Honda's numbers for this recall is JQ4, JQ5 and JQ6.

    Reported May 20, 2015. View on NHTSA

  • 14V792000: EXTERIOR LIGHTING:HEADLIGHTS

    American Honda Motor Co. (Honda) is recalling certain model year 2014 Acura RLX vehicles manufactured November 22, 2012, to January 30, 2014, 2015 Acura RLX vehicles manufactured June 4, 2014, to November 18, 2014, and 2014 Acura RLX Hybrid vehicles manufactured November 5, 2013, to July 25, 2014. An aluminum film applied to the inner reflector of the headlight may experience adhesion issues…

    Remedy: Honda will notify owners, and dealers will replace both of the headlights, free of charge. The recall began February 2, 2015. Owners may contact Honda customer service at 1-310-783-2000. Honda's number for this recall is JN2.

    Reported December 16, 2014. View on NHTSA

Data sources

  • EPA fueleconomy.gov · retrieved October 13, 2026 · US Government public data
  • NHTSA vPIC · retrieved October 13, 2026 · US Government public data

Source checked: October 13, 2026

Data verified: October 13, 2026

Specifications can vary by market, trim, configuration and production date. Confirm with the manufacturer before buying parts or making safety decisions. Report an error.

Related vehicles

  • 2014 Acura RLX

    Varies by configuration: Gasoline, Hybrid

    3.5L 6-cylinder (SIDI) · Varies by configuration: FWD, AWD
    30 mpg (7.8 L/100 km) to 23 mpg (10.2 L/100 km)

  • 2016 Acura RLX

    Varies by configuration: Gasoline, Hybrid

    3.5L 6-cylinder (SIDI) · Varies by configuration: FWD, AWD
    30 mpg (7.8 L/100 km) to 23 mpg (10.2 L/100 km)

Frequently asked questions

What engine does the 2015 Acura RLX have?

3.5L 6-cylinder (SIDI). Engines can differ by trim, so check the trim list below.

What is the fuel economy of the 2015 Acura RLX?

Combined fuel economy is 23 mpg (10.2 L/100 km), as published by the source shown in the specification table.

Is the 2015 Acura RLX front-wheel, rear-wheel or all-wheel drive?

Drivetrain: FWD.

Are there recalls for the 2015 Acura RLX?

NHTSA lists 3 recall campaigns for this model year (last checked October 13, 2026). Details are in the Recalls section.