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What 14 owners told NHTSA about the 2015 Porsche Cayenne S E-hybrid Platinum

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 (14)Engine (3)Lights (3)Transmission & drivetrain (3)Electrical system (2)Fuel system (2)Airbags (1)Body & structure (1)Visibility & wipers (1)

1 of 14 complaints match · Visibility & wipers · clear filters

Jan 10, 2018Visibility & wipers

PANORAMIC GLASS ROOF SPONTANEOUSLY EXPLODED. WAS DRIVING ALONG A FAIRLY QUIET FREEWAY (BIG DISTANCE TO CAR IN FRONT AND NO CARS IN NEIGHBOURING LANE). ALL OF A SUDDEN LARGE BANG AND GLASS FELL DOWN ON THE 3 PASSENGERS IN THE BACK. MANY SMALL PIECES AND A FEW LARGE PIECES. PASSENGERS WERE CUT, BLOOD VISIBLE. KEPT FINDING GLASS IN OUR CLOTHES' POCKETS FEW DAYS FOLLOWING. EVEN AFTER REPAIR, FOUND A PIECE OF GLASS BY THE WINDOW THIS MORNING. FORTUNATELY LITTLE GLASS FEEL IN THE FRONT AND I WAS ABLE TO SAFELY PULL OVER A SPEAK TO PORSCHE. THEY TOLD ME IT WILL NEED TO COME INTO THE SHOP AND THEY WILL FIGURE OUT WHAT WENT WRONG. DESPITE BEING TOLD THIS WOULD BE COVERED UNDER WARRANTY ON THE PHONE (I ASKED MULTIPLE TIMES AND EVERYONE IN THE CAR KEPT TELLING ME TO), WHEN I WENT TO PICK UP THE CAR I WAS HIT WITH A BILL FOR PARTS AND LABOUR, RENTAL INSURANCE (THEY DID COVER THE BASE RENTAL PRICE). ALSO THEY ARE NOT SURE WHAT WENT WRONG, THEY SAY A ROCK HIT IT, BUT NONE OF US ARE ENTIRELY CONVINCED BY THIS.

NHTSA ODI 11061979

Working with the data? Download all 14 complaints as CSV · fetched from NHTSA July 25, 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 2015 Porsche Cayenne S E-hybrid Platinum verdict →