2018 Acura RDX
US · SUV · Small Sport Utility Vehicle 2WD
The 2018 Acura RDX is listed in the US market as a suv 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 Every figure below carries the source it came from, and anything our sources do not publish is left out rather than estimated.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
- Transmission
- 6-speed automatic
- Drivetrain
- Varies by configuration: AWD, FWD
- Fuel
- Gasoline
- Economy
- 22 mpg (10.7 L/100 km) to 23 mpg (10.2 L/100 km) combined
Key Figures
Engine
| Specification | Value | Source |
|---|---|---|
| Engine | 3.5L 6-cylinder | |
| 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 | Varies by configuration: AWD, FWD |
Fuel economy and range
| Specification | Value | Source |
|---|---|---|
| Combined | 22 mpg (10.7 L/100 km) to 23 mpg (10.2 L/100 km) | EPA fueleconomy.gov |
| City | 19 mpg (12.4 L/100 km) to 20 mpg (11.8 L/100 km) | |
| Highway | 27 mpg (8.7 L/100 km) to 28 mpg (8.4 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Our sources do not publish these for this vehicle: Aspiration, Power, Torque, Electric range, Battery capacity.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
2 configurations listed by our sources. Engines, drivetrains and fuel economy can differ between them.
Recalls
NHTSA lists 1 recall campaign for this model year. Last checked November 10, 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
Data sources
- NHTSA vPIC · retrieved October 12, 2026 · US Government public data
- EPA fueleconomy.gov · retrieved November 5, 2026 · US Government public data
Source checked: November 5, 2026
Data verified: November 5, 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.
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Frequently asked questions
What engine does the 2018 Acura RDX have?
3.5L 6-cylinder. Engines can differ by trim, so check the trim list below.
What is the fuel economy of the 2018 Acura RDX?
Combined fuel economy is 22 mpg (10.7 L/100 km) to 23 mpg (10.2 L/100 km), as published by the source shown in the specification table.
Is the 2018 Acura RDX front-wheel, rear-wheel or all-wheel drive?
Drivetrain: Varies by configuration: AWD, FWD.
Are there recalls for the 2018 Acura RDX?
NHTSA lists 1 recall campaign for this model year (last checked November 10, 2026). Details are in the Recalls section.