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What 11 owners told NHTSA about the 2017 Porsche Cayenne Turbo

These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.

All (11)Crash / fire / injury (1)Airbags (2)Engine (2)Lights (2)Body & structure (1)Brakes (1)Electrical system (1)Fuel system (1)Transmission & drivetrain (1)

1 of 11 complaints match · Transmission & drivetrain · clear filters

Apr 20, 2023Transmission & drivetrain

The contact owns a 2017 Porsche Cayenne. The contact stated while driving approximately 30 MPH, the vehicle stalled in the middle of a road. The contact stated no warning light was illuminated; however, the contact had been hearing an abnormal rattle and knocking sound from under the floorboard. The contact had the vehicle towed to a local dealer, where it was diagnosed and determined that the bolts from the transfer case had loosened, and the case had separated from the drive shaft. The vehicle had been repaired. The manufacturer had been informed of the failure. The failure mileage was approximately 42,000.

NHTSA ODI 11518090

Working with the data? Download all 11 complaints as CSV · fetched from NHTSA July 21, 2026

How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2017 Porsche Cayenne Turbo verdict →