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What 28 owners told NHTSA about the 2012 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 (28)Transmission & drivetrain (13)Engine (4)Airbags (2)Electrical system (2)Seats (2)Brakes (1)Electronic Stability Control (esc) (1)Equipment Adaptive/mobility (1)Fuel system (1)Speed control (1)

1 of 28 complaints match · Brakes · clear filters

Jul 22, 2016Brakes

TL* THE CONTACT OWNS A 2012 PORSCHE CAYENNE. WHILE DRIVING APPROXIMATELY 30 MPH DOWNHILL AND DEPRESSING THE BRAKE PEDAL, THE BRAKES FAILED. THE CONTACT COASTED THE VEHICLE OVER TO THE SIDE OF THE ROAD AND HAD TO REPEATEDLY DEPRESS THE BRAKE PEDAL FOR THE BRAKES TO OPERATE. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE VIN WAS INCLUDED IN NHTSA CAMPAIGN NUMBER: 16V169000 (SERVICE BRAKES, HYDRAULIC). THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 42,000.

NHTSA ODI 10887728

Working with the data? Download all 28 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 2012 Porsche Cayenne Turbo verdict →