Sensing system: camera
NewRisk. A rearview image that does not display properly reduces the driver's view behind the vehicle, increasing the risk of a crash.
NHTSA has logged 21 owner complaints about the 2021 Porsche Cayenne, most often about the electrical system. It is covered by 5 safety recalls, and for recall 21V-493 the manufacturer reports only 63% of affected cars repaired.

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through August 31, 2026. Updated daily. Photo: Calreyn88, CC BY-SA 4.0.
21 complaints grouped by the system owners reported.
| System | Complaints | Crash, fire or injury |
|---|---|---|
| Electrical system | 6 | 0 |
| Air bags | 4 | 0 |
| Engine | 3 | 0 |
| Power train | 2 | 0 |
| Forward collision avoidance | 2 | 0 |
| Service brakes | 2 | 0 |
| Steering | 2 | 0 |
| Back over prevention | 1 | 0 |
| Visibility/wiper | 1 | 0 |
| 2 other systems | 2 | 0 |
Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.
Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.
Risk. A rearview image that does not display properly reduces the driver's view behind the vehicle, increasing the risk of a crash.
Risk. Rear axle misalignment may cause premature or uneven tire wear, increasing the risk of a crash.
Risk. A detached steering column can cause a loss of control, increasing the risk of a crash.
Risk. The front passenger air bag may fail to deploy, increasing the risk of injury.
Risk. A broken lock nut may misalign the rear axle, causing a loss of control and increasing the risk of a crash.
Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Porsche.
Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the Cayenne median. How we score
2021 Porsche Cayenne SUV AWD in NHTSA's New Car Assessment Program. Photos are from NHTSA's crash tests.
Recent electrical system complaints filed with NHTSA, shortened. Personal details are removed.
Battery completely discharged and the safety switch in the battery malfunctions and battery can not be charged again. There are many complaints seen online about the battery problems Porsche has. This strands the car and me the driver. The dealer and independent mechanics said the same. There were…
Instrument cluster anti-glare film or delamination on center and left instrument cluster. The film is wearing away in certain irregular sport and shapes. The overall wear is impacting the visibility to the center cluster under certain conditions leading to obscure visibility to important…
Odometer Fraud. The contact purchased a 2021 Porsche Cayenne. It was discovered that there was a mileage discrepancy. The vehicle was a dealer sale. At the time of purchase on 5/29/25, the mileage was 21,000. The contact had taken the vehicle to another dealer for other repairs, and the dealer…
Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.