2026 Porsche Cayenne problems and complaints
Owners have filed 5 complaints with NHTSA about the 2026 Porsche Cayenne. The most-reported areas: Forward Collision Avoidance (4), Electrical System (2), Lane Departure (2).
Key takeaways
- 5 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 |
|---|---|---|
| Forward Collision Avoidance | 4 | 80% |
| Electrical System | 2 | 40% |
| Lane Departure | 2 | 40% |
| Back Over Prevention | 1 | 20% |
| Power Train | 1 | 20% |
| Vehicle Speed Control | 1 | 20% |
One complaint can name several components, so shares add up to more than 100%.
Parts for the 2026 Porsche Cayenne
GarageDex's verified specs for this car. Each Buy button searches Amazon for that exact part.
- Battery
- Engine oil
- Engine air filter
- Cabin air filter
- Wiper blades
As an Amazon Associate we earn from qualifying purchases, at no extra cost to you.
Latest complaints, as filed
Owner-written and unverified by NHTSA.
Electrical System,lane Departure,back Over Prevention - filed 2026-10-20
2026 Porsche Cayenne Coupe. The surround-view and rear backup camera system repeatedly fails. The screen goes completely black, including when shifting into reverse. The Coupe's shortened, sloped rear window creates major blind spots, so the driver depends on the cameras. When they fail, there is effectively no rear vi...
Forward Collision Avoidance,lane Departure - filed 2026-09-24
The warning system continues to showing warnings and the Blind Spot and Adaptive Cruise Control render the car unsafe to drive. The other warnings has no impact of the functioning of the cars ability to be driven. After many false warnings, my wife almost ran a car off the road the first time the blind spot failure w...
Electrical System,forward Collision Avoidance - filed 2026-06-19
The emergency braking system light and the adaptive control cruise control is not working in the warning. Lights are on from Dave that I’ve got it from day one January 2026.
Diagnose it yourself
As an Amazon Associate we earn from qualifying purchases, at no extra cost to you.
More for the 2026 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.