2021 Porsche Cayenne problems and complaints
Owners have filed 21 complaints with NHTSA about the 2021 Porsche Cayenne. The most-reported areas: Electrical System (6), Unknown Or Other (5), Air Bags (4).
Key takeaways
- 21 owner complaints on file with NHTSA.
- 0 involve a crash, 0 a fire, 0 reported injuries.
- Complaints are unverified owner reports; recalls are confirmed defects.
| Component | Complaints | Share |
|---|---|---|
| Electrical System | 6 | 29% |
| Unknown Or Other | 5 | 24% |
| Air Bags | 4 | 19% |
| Engine | 3 | 14% |
| Steering | 2 | 10% |
| Forward Collision Avoidance | 2 | 10% |
| Power Train | 2 | 10% |
| Service Brakes | 2 | 10% |
| Fuel/Propulsion System | 1 | 5% |
| Seat Belts | 1 | 5% |
| Visibility/Wiper | 1 | 5% |
| Back Over Prevention | 1 | 5% |
One complaint can name several components, so shares add up to more than 100%.
| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| 2021 Porsche Cayenne SUV AWD | Not rated | Not rated | Not rated | Not rated |
Latest complaints, as filed
Owner-written and unverified by NHTSA.
Engine,fuel/Propulsion System - filed 2026-08-31
On my 2021 Porsche Cayenne Base, which is equipped with the 3.0L V6 EA839 engine, I brought the vehicle to the dealership for a recall service. During inspection, the dealership found a leaking water pump and quoted $8,500 for repairs. There were no visible signs of a coolant leak on the ground, indicating an internal ...
Seat Belts - filed 2026-08-31
The contact owns a 2021 Porsche Cayenne. The contact stated that while driving at various speeds, the front driver's side seat belt independently tightened and loosened. The emergency light illuminated, and a seat belt warning chime sounded continuously. The vehicle was taken to a local dealer, where it was diagnosed t...
Air Bags,unknown Or Other - filed 2026-08-25
Over approximately the past month, the leather covering on the dashboard of my 2021 Porsche Cayenne has rapidly begun lifting, buckling, and separating across a substantial portion of the dashboard. The deformation has become increasingly pronounced in a short period of time despite normal use and careful maintenance o...
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More for the 2021 Porsche Cayenne
Complaints are reports filed by owners with the National Highway Traffic Safety Administration. NHTSA publishes them without verifying them, and counts rise with how many cars were sold, so compare years of the same model rather than different models. Crash ratings are NHTSA's own 5-Star Safety Ratings results.