Worst 2021 Acura RDX Problems
Top 3 most-reported issues with average mileage at failure.
Engine Problems
Brakes
Airbags
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All Problems by Category
Every NHTSA complaint category for the 2021 Acura RDX.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| Engine Problems | 18 | 2 | — | — | |
| Brakes | 13 | 1 | — | — | |
| Airbags | 11 | — | — | — | |
| Body Structure | 9 | — | — | 3,100 mi | |
| Wipers & Visibility | 9 | — | — | — | |
| Transmission / Drivetrain | 8 | — | — | 128,000 mi | |
| Electrical Faults | 6 | — | — | — | |
| Seat-Related Issues | 6 | — | — | — | |
| Unintended Acceleration | 6 | 1 | — | — | |
| Forward Collision Avoidance: Automatic Emergency Braking | 5 | — | — | — | |
| Seat Belt Issues | 4 | — | — | — | |
| Fuel System | 3 | — | — | — | |
| Visibility:Windshield | 3 | — | — | — | |
| Steering Defects | 2 | — | — | — | |
| Suspension Failures | 2 | — | — | — | |
| Back Over Prevention: Warnings | 1 | — | — | — | |
| Electrical System:Body Control Module/Bcm | 1 | — | — | — | |
| Headlight/Taillight Failures | 1 | — | — | — | |
| Forward Collision Avoidance: Adaptive Cruise Control | 1 | — | — | — | |
| Forward Collision Avoidance: Warnings | 1 | — | — | — | |
| Lane Departure: Assist | 1 | — | — | — | |
| Service Brakes, Air:Disc:Rotor | 1 | — | — | — | |
| Structural Problems | 1 | — | — | — | |
| Visibility | 1 | — | — | — | |
| Visibility:Fixed Panaramic Roof/Sky Light Assembly | 1 | — | — | — | |
| Wheel Issues | 1 | — | — | — |
Search Owner Complaints
Read what owners actually reported to NHTSA for the 2021 Acura RDX. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.
Recalls for 2021 Acura RDX
2 NHTSA recall campaigns affecting ~750,393 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.
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.
Other Acura RDX Years
2021 Acura RDX — FAQ
Answers based on real NHTSA complaint and recall data for this specific model year.
Is the 2021 Acura RDX reliable?
What are common problems with the 2021 Acura RDX?
At what mileage do problems start on the 2021 Acura RDX?
How safe is the 2021 Acura RDX?
Does the 2021 Acura RDX have any recalls?
Should I buy a 2021 Acura RDX?
Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinItel.
Wider context: See the full Acura RDX reliability report with year-by-year comparison and generation analysis.
Check Your Specific 2021 Acura RDX
Real owner complaints tell you about the model. The VIN tells you about your specific car — accidents, title issues, odometer fraud.
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