2021 Porsche Cayenne: Reliability Data

Source: NHTSA — 20 complaints
20
Total Complaints
UNKNOWN OR OTHER
Top Issue
0
Crash Reports

What Fails?

Most reported component issues from NHTSA complaints.

UNKNOWN OR OTHER
4
AIR BAGS
3
ELECTRICAL SYSTEM
3
SERVICE BRAKES
2
ENGINE
2
POWER TRAIN
2
STEERING
1
FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL
1
ELECTRICAL SYSTEM:INSTRUMENT PANEL:SPEEDOMETER/ODOMETER
1
BACK OVER PREVENTION
1

Severity Assessment

0
Crashes
0
Fires
0
Injuries
0
Deaths

Sample Complaint Reports

"Check engine light thrown intermittently and dealer is unable to reproduce issue. Multiple incidents of the same issue by other owners. https://rennlist.com/forums/cayenne-9y0-2019/1248120-grr-cel-code-654-miles-on-new-21-cayenne.html Pattern is the same. Take delivery of new car, get CEL <1000 m..."
"When the vehicle is decelerating and the transmission is in gear 2 the vehicle will lurch forward interfering/fighting with the normal operation of the brakes. This consistently happens when braking to a stop. The vehicle has 260 miles and I have driven it perhaps 4 - 5 times for a total of 30 mil..."
"When the vehicle is decelerating and the transmission is in gear 2 the vehicle will lurch forward interfering/fighting with the normal operation of the brakes. This consistently happens when braking to a stop. The vehicle has 260 miles and I have driven it perhaps 4 - 5 times for a total of 30 mil..."

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28