2021 Acura RDX

US · SUV · Small Sport Utility Vehicle 2WD

The 2021 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 Every figure below carries the source it came from, and anything our sources do not publish is left out rather than estimated.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: 2.0L 4-cylinder turbocharged (SIDI)
Power: Not available
Torque: Not available
Transmission: 10-speed automatic
Drivetrain: Varies by configuration: AWD, 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

2.0L 4-cylinder turbocharged (SIDI)

Power Output

Not available

Peak Torque

Not available

Combined Economy

Not available

Drivetrain

Not available

Transmission

AUTOMATIC

Capacity

Not available

Exterior Dimensions

Not available

Market: US·Switch units anytime to convert horsepower, torque, fuel economy, and dimensions.

Compare 2021 Acura RDX ↗

Engine

Engine
Specification	Value	Source
Engine	2.0L 4-cylinder turbocharged (SIDI)
Displacement	2.0 L
Cylinders	4
Aspiration	Turbocharged
Fuel type	Gasoline	EPA fueleconomy.gov

Not available from our sources: Power, Torque.

Transmission and drivetrain

Transmission and drivetrain
Specification	Value	Source
Transmission	Automatic	EPA fueleconomy.gov
Gears	10
Drivetrain	Varies by configuration: AWD, FWD

Fuel economy and range

Fuel economy and range
Specification	Value	Source
Combined	24 mpg (9.8 L/100 km) to 23 mpg (10.2 L/100 km)	EPA fueleconomy.gov
City	22 mpg (10.7 L/100 km) to 21 mpg (11.2 L/100 km)
Highway	28 mpg (8.4 L/100 km) to 26 mpg (9.0 L/100 km)

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

Trims and configurations

4 configurations 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 15, 2026.

26V332000: AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION:FRONT PASSENGER
Honda (American Honda Motor Co.) is recalling certain 2018-2021, 2023 Acura TLX, 2019-2024 RDX, 2017-2020, 2022-2026 MDX, 2017-2021, 2023, 2025 Honda Ridgeline, 2017-2022 Pilot, 2019-2021 Passport, 2018-2026 Odyssey, 2019-2022 Insight, 2019-2021 HR-V, 2018-2020 Fit, 2020-2022 CR-V Hybrid, 2017-2022 CR-V, 2017-2018, 2021 Civic Type R, 2017-2021 Civic hatchback, 2016-2020 Civic coupe, 2016-2022…
Remedy: Dealers will replace the seat weight sensors, free of charge. Owner notification letters were mailed July 7, 2026. Owners may contact Honda's customer service at 1-888-234-2138. Honda's numbers for this recall are BOL, WO9, OOA, WOM, XOH,…
Reported May 21, 2026. View on NHTSA
24V064000: AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION:FRONT PASSENGER
Honda (American Honda Motor Co.) is recalling certain 2020-2022 Pilot, Accord, Civic sedan, HR-V, Odyssey, 2020 Civic coupe, Fit, 2021-2022 Civic hatchback, 2021 Civic Type R, Insight, 2020-2021 CR-V, CR-V Hybrid, Passport, Ridgeline, Accord Hybrid, 2020 Acura MDX, 2022 Acura MDX, 2020-2022 Acura RDX, and 2020-2021 Acura TLX vehicles. The front passenger seat weight sensor may crack and short…
Remedy: Dealers will replace the seat weight sensors, free of charge. Owner notification letters were mailed March 28, 2024. This is a phased recall. Owners may contact Honda customer service at 1-888-234-2138. Honda's numbers for these…
Reported February 1, 2024. View on NHTSA
21V939000: POWER TRAIN:DRIVELINE:DRIVESHAFT
Honda (American Honda Motor Co.) is recalling certain 2021 Acura RDX and 2022 CR-V Hybrid vehicles. A component in the right or left front driveshaft may have been improperly heat-treated, which could result in driveshaft failure.
Remedy: Dealers will replace the right or left front driveshaft as necessary, free of charge. Owner notification letters were mailed January 24, 2022. Owners may contact Honda customer service 1-888-234-2138. Honda's numbers for this recall…
Reported December 2, 2021. View on NHTSA

Data sources

EPA fueleconomy.gov · retrieved October 11, 2026 · US Government public data
NHTSA vPIC · retrieved October 11, 2026 · US Government public data

Source checked: October 11, 2026

Data verified: October 12, 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 2021 Acura RDX have?

2.0L 4-cylinder turbocharged (SIDI). Engines can differ by trim, so check the trim list below.

What is the fuel economy of the 2021 Acura RDX?

Combined fuel economy is 24 mpg (9.8 L/100 km) to 23 mpg (10.2 L/100 km), as published by the source shown in the specification table.

Is the 2021 Acura RDX front-wheel, rear-wheel or all-wheel drive?

Drivetrain: Varies by configuration: AWD, FWD.

Are there recalls for the 2021 Acura RDX?

NHTSA lists 3 recall campaigns for this model year (last checked October 15, 2026). Details are in the Recalls section.