2026 Porsche Cayenne problems and complaints
Owners have filed 4 complaints with NHTSA about the 2026 Porsche Cayenne. The most-reported areas: Forward Collision Avoidance (4), Lane Departure (1), Electrical System (1).
Key takeaways
- 4 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 | 100% |
| Lane Departure | 1 | 25% |
| Electrical System | 1 | 25% |
| Power Train | 1 | 25% |
| Vehicle Speed Control | 1 | 25% |
One complaint can name several components, so shares add up to more than 100%.
Latest complaints, as filed
Owner-written and unverified by NHTSA.
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.
Power Train,vehicle Speed Control,forward Collision Avoidance - filed 2026-06-04
1. Driving Conditions & Baseline State I was operating my new 2026 Porsche Cayenne (current mileage approx. 717 miles) at highway speeds inside a tunnel near LAX. The vehicle was functioning normally under normal driving conditions until the incident occurred suddenly and without any prior warning signs. 2. Onset of F...
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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.