2021 Acura RDX: owner complaints and recalls
Analysis of 105 owner complaints filed with NHTSA and 3 recall campaigns. Updated 2026-07-25.
105
Complaints
3
Recalls
2
Crash reports
0
Fire reports
1
Injuries
15.2
Severity index
Severity index 15.2 - Low. This weights crashes, fires, injuries and fatalities per 100 complaints; see methodology.
Among the 90 2021 vehicles we track with at least 40 complaints on file, the 2021 Acura RDX ranks 90 of 90 by severity, where 1 is the worst. Its severity is higher than 0% of its model-year peers. See the full 2021 ranking.
What actually fails
| Component | Complaints | Share of complaints citing it |
|---|---|---|
| UNKNOWN OR OTHER | 29 | 27.6% |
| ENGINE | 20 | 19.0% |
| SERVICE BRAKES | 15 | 14.3% |
| AIR BAGS | 11 | 10.5% |
| STRUCTURE | 10 | 9.5% |
| POWER TRAIN | 9 | 8.6% |
| ELECTRICAL SYSTEM | 9 | 8.6% |
| VISIBILITY/WIPER | 9 | 8.6% |
The single most-reported system is UNKNOWN OR OTHER, cited in 29 of 105 complaints (27.6%). One complaint can name several systems, so these shares overlap and do not total 100%.
Complaints filed per year
| Year | Complaints |
|---|---|
| 2020 | 2 |
| 2021 | 17 |
| 2022 | 13 |
| 2023 | 10 |
| 2024 | 22 |
| 2025 | 27 |
| 2026 (year to date) | 14 |
Complaint volume is rising - the last three years carry 1.8x the filings of the three before them, which usually signals a wear-related defect surfacing with age.
Recall campaigns
| Campaign | Reported | Component | Summary |
|---|---|---|---|
| 21V939000 | 02/12/2021 | 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. |
| 24V064000 | 01/02/2024 | 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 |
| 26V332000 | 21/05/2026 | 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- |
Source. US National Highway Traffic Safety Administration public complaint and recall APIs (api.nhtsa.gov), retrieved 2026-07-25. Complaints are unverified consumer reports; volume is influenced by how many units were sold and how long the vehicle has been on the road. Not affiliated with NHTSA or any manufacturer.