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2021 Acura RDX recalls, complaints and safety ratings

There are 3 US recalls for the 2021 Acura RDX, and 3 in Canada. Owners filed 117 complaints with NHTSA, most often about unknown or other. Its best NHTSA overall crash rating is 5 stars.

3US recalls
0urgent recalls
117owner complaints
5★overall crash rating

Is your car affected?

Check by VIN to confirm the exact model and see every recall for it.

Recalls are issued for a make, model and model year. Whether the repair has already been done on one specific car is known only to its manufacturer and dealers. Check your vehicle's official status at nhtsa.gov/recalls or with a dealer.

US recalls (3)

Air bags: sensor, occupant classification

2026-05-21 · campaign 26V332000 · 98,892 vehicles

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 Civic, 2017-2022 Accord Hybrid, and 2016-2022 Accord vehicles. The front passenger seat weight sensor may crack and short circuit, which can cause the air bags to deploy unintentionally during a crash.

Risk and remedy

Risk: Air bags that deploy unintentionally during a crash increase the risk of injury.

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, NOC, POD, BOE, UOF, POB, EOG, AOI, QO8, TOJ, DO7, and SOK. This recall expands previous NHTSA recall number 24V064. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning May 29, 2026.

Air bags: sensor, occupant classification

2024-02-01 · campaign 24V064000 · 750,114 vehicles

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 circuit, failing to suppress the air bag as intended.

Risk and remedy

Risk: An air bag that deploys unintentionally during a crash can increase the risk of injury.

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 recalls are XHP and VHQ.

Power train: driveline, driveshaft

2021-12-02 · campaign 21V939000 · 279 vehicles

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.

Risk and remedy

Risk: Driveshaft failure can cause a sudden loss of drive power, or cause the vehicle to roll away when parked if the parking brake is not applied. Either condition can increase the risk of a crash or injury.

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 are BBY, NBW, and OBX.

Canadian recalls (3)

Show 3 Canadian recalls

Seats and restraints

2026-05-21 · campaign 2026-251

Issue: On certain vehicles, the weight sensor for the front passenger seat may not have been manufactured properly. As a result, the passenger-front airbag and knee airbag could deploy in a crash that doesn't require them to. Note: This recall is an expansion of Transport Canada recall no. 2024-059. If the weight sensor fails, the SRS warning light would turn on in the instrument panel. Safety Risk: An airbag system that doesn't work properly could increase the risk of injury in a crash. Corrective Actions: The company will notify owners by mail and advise you to take your vehicle to a dealership to replace the passenger-front seat weight sensor.

Airbag

2024-02-01 · campaign 2024-059

Issue: On certain vehicles, the weight sensor for the front passenger seat may not have been manufactured properly. As a result, the passenger-front airbag and knee airbag could deploy in a crash that doesn't require them to. Note: If the weight sensor fails, the SRS warning light would turn on in the instrument panel. Safety Risk: An airbag system that doesn't work properly could increase the risk of injury in a crash. Corrective Actions: Honda will notify owners by mail and advise you to take your vehicle to a dealership for an inspection if the SRS warning light is on. If the SRS warning light is on due to a faulty weight sensor, the weight sensor will be replaced. When repair parts are available, Honda will send you a second letter. They will advise you to take your vehicle to a dealership to replace the passenger-front seat weight sensor.

Powertrain

2021-12-03 · campaign 2021-731 · 57 vehicles

Issue: On certain vehicles, the left-front axle shaft was not properly heat-treated. As a result, the axle shaft could fail and cause a loss of power to the wheels. Also, if this happens and the vehicle is parked without the parking brake applied, the vehicle could roll away. Safety Risk: A loss of power to the wheels or a vehicle rollaway could increase the risk of a crash. Corrective Actions: Acura will notify owners by mail and instruct you to take your vehicle to a dealer to replace the left-front axle shaft.

Owner complaints (117)

Owners filed 117 complaints with NHTSA about the 2021 Acura RDX (3 crashes, 1 injuries reported). Among 20 model years of this model, it ranks #6 for the most complaints (median 41).

Most-reported problemComplaints
Unknown or other31
Engine23
Service brakes15
Power train13
Air bags11
Structure10
Electrical system10
Visibility/wiper10

Crash test ratings

NHTSA 5-Star Safety Ratings for the 2021 Acura RDX.

VersionOverallFrontalSideRollover
2021 Acura RDX SUV AWD5★4★5★4★
2021 Acura RDX SUV FWD5★4★5★4★

Fuel economy

EPA ratings for each 2021 Acura RDX version.

VersionCity MPGHighway MPGCombinedYearly fuel cost
RDX AWD 2.0 L Automatic (S10)212723$3,550
RDX AWD A-SPEC 2.0 L Automatic (S10)212623$3,550
RDX FWD 2.0 L Automatic (S10)222824$3,400
RDX FWD A-SPEC 2.0 L Automatic (S10)222724$3,400
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Sources: NHTSA recalls, complaints and 5-Star Safety Ratings, US EPA fuel economy and Transport Canada's Vehicle Recalls Database (contains information licensed under the Open Government Licence – Canada). Recalls updated 2026-10-31.