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 Every figure below carries the source it came from, and anything our sources do not publish is left out rather than estimated.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)
- Transmission
- 6-speed automatic
- Drivetrain
- FWD
- Fuel
- Gasoline
- Economy
- 23 mpg (10.2 L/100 km) combined
Key Figures
Engine
| Specification | Value | Source |
|---|---|---|
| Engine | 3.5L 6-cylinder (SIDI) | |
| Displacement | 3.5 L | |
| Cylinders | 6 | |
| Fuel type | Gasoline | EPA fueleconomy.gov |
Transmission and drivetrain
| Specification | Value | Source |
|---|---|---|
| Transmission | Automatic | EPA fueleconomy.gov |
| Gears | 6 | |
| Drivetrain | FWD | EPA fueleconomy.gov |
Fuel economy and range
| Specification | Value | Source |
|---|---|---|
| Combined | 23 mpg (10.2 L/100 km) | EPA fueleconomy.gov |
| City | 20 mpg (11.8 L/100 km) | |
| Highway | 30 mpg (7.8 L/100 km) |
Our sources do not publish these for this vehicle: Aspiration, Power, Torque, Electric range, Battery capacity. We leave them out instead of estimating.
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 November 3, 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
- NHTSA vPIC · retrieved October 13, 2026 · US Government public data
- EPA fueleconomy.gov · retrieved November 6, 2026 · US Government public data
Source checked: November 6, 2026
Data verified: November 6, 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 November 3, 2026). Details are in the Recalls section.