Table 1 shows two common electrical system related problems of the 2021 Porsche Cayenne. The number one most common problem is related to the electrical system (five problems). The second most common problem is related to the instrument panel speedometer/odometer (one problem).
| Problem Category | Number of Problems |
|---|---|
| Electrical System problems | |
| Instrument Panel Speedometer/odometer problems |
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. Read details...
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. Read details...