2026 Porsche Cayenne problems and complaints

Owners have filed 3 complaints with NHTSA about the 2026 Porsche Cayenne. The most-reported areas: Forward Collision Avoidance (3), Electrical System (1), Power Train (1).

Key takeaways

  • 3 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.
Complaints by component
ComponentComplaintsShare
Forward Collision Avoidance3100%
Electrical System133%
Power Train133%
Vehicle Speed Control133%

One complaint can name several components, so shares add up to more than 100%.

Latest complaints, as filed

Owner-written and unverified by NHTSA.

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...

Forward Collision Avoidance - filed 2026-05-07

On 3 separate occasions while making a left hand turn against traffic, the car has initiated emergency braking and shown the ‘collision warning’ alert on the dashboard. Each time there were no cars approaching and the car halted to a complete stop. The first two instances I had my 10 year old in the car. Tonight I was ...

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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.