2021 Acura RDX power train problems
13 owner complaints filed with NHTSA name the power train on the 2021 Acura RDX — 12% of all complaints for this model year.
13
Power Train complaints
12%
share of all complaints
—
median reported incident mileage
0 / 0
crash / fire reports
What owners report
“I own an Acura RDX that experienced a sudden failure of the transfer case. Prior to the failure, there was little or no warning that a major drivetrain component was about to fail. When the transfer case failed, the vehicle lost its normal all-wheel-drive operation and required expensive repairs. I…”
filed Jul 30, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- A component in the right or left front driveshaft may have been improperly heat-treated…Campaign 21V939000 · Dec 2, 2021
Power Train problems in other RDX years
| Year | Reports | Share |
|---|---|---|
| 2025 RDX | 1 | 3% |
| 2023 RDX | 2 | 10% |
| 2020 RDX | 21 | 6% |
| 2019 RDX | 37 | 9% |
| 2018 RDX | 12 | 16% |
| 2017 RDX | 21 | 29% |
| 2016 RDX | 9 | 23% |
| 2015 RDX | 4 | 1% |
| 2014 RDX | 2 | 1% |
| 2013 RDX | 7 | 4% |
| 2010 RDX | 2 | 9% |
| 2008 RDX | 2 | 6% |
Other reported problem areas on the 2021 Acura RDX
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.