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What 5 owners told NHTSA about the 2012 Porsche 911 Targa 4s Heritage Edition

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 (5)Crash / fire / injury (1)Body & structure (1)Electrical system (1)Engine (1)Fuel system (1)Lights (1)Speed control (1)Transmission & drivetrain (1)

1 of 5 complaints match · Fuel system · clear filters

Aug 24, 2020Fuel system

PORSCHE 991 911 AND 981 CAYMAN/BOXSTER MODELS HAVE AN ISSUE WHERE THE FOAM PADS SECURING THE FUEL TANK DEGRADE OR FALL OUT. THE INITIAL MANIFESTATION IS A SQUEAKING SOUND WHERE THE PLASTIC TANK RUBS AGAINST THE METAL BODY OF THE CAR. WITH PROLONGED MOVEMENT THE FUEL TANK CAN BE DAMAGED AND A FIRE COULD RESULT. PORSCHE IS AWARE OF THE ISSUE AND HAS AN INTERNAL SERVICE BULLETIN TO FIX IT BUT ONLY FOR CUSTOMERS UNDER WARRANTY. THEY CLAIM THE ISSUE IS ONLY A SQUEAKING SOUND BUT COMMON SENSE WOULD DICTATE PLASTIC RUBBING ON METAL SEVERAL TIMES PER DAY WILL WEAR AND START LEAKING. FUEL TANKS SHOULD BE SECURE AND NOT BOUNCING AROUND. PLEASE INVESTIGATE THE MATTER FURTHER - HUNDREDS OF OWNERS HAVE HAD THE ISSUE OF AN IMPROPERLY SECURED GAS TANK.

NHTSA ODI 11351045

Working with the data? Download all 5 complaints as CSV · fetched from NHTSA July 27, 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 911 Targa 4s Heritage Edition verdict →