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 (three 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 |
Much like thousands of Cayenne drivers, I am constantly let down by an ongoing issue with adaptive cruise control failures with an error message that reads, “adaptive cruise control unavailable. ” this may cause serious injury or death if not repaired as vehicular collision rates 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...