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What 4 owners told NHTSA about the 2020 Porsche 911 Carrera S Cabriolet

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 (4)Electrical system (1)Engine (1)Fuel system (1)Lights (1)Transmission & drivetrain (1)

Newest first · 4 complaints

Apr 27, 2026Lights

Both my rear break lights are showing stress cracks from movement of the frame of the body. There are other references to this happening online from other owners and it's a manufacturer defect. I brought to the dealer and was told that they should be replaced for $3000 each as they are allowing water to intrude and will cause a shorting out of the brake lights. No brake lights would be a major hazard. The cracks in both lights were not due to impacts. It is a design issue.

NHTSA ODI 11733939

Mar 17, 2026

I am writing to express my significant frustration regarding the handling of NHTSA Recall 25V896. I dropped off my vehicle several weeks ago following the recall notice, only to be informed later that the software remedy is not expected until Q2 2026. It is unacceptable to request that customers surrender their vehicles for a recall when the manufacturer is not yet prepared to provide the necessary service or solution.

NHTSA ODI 11724832

Nov 4, 2025Fuel system

There is a fuel line above the engine that is leaking fuel onto the top of the engine and running down to the exhaust components. Car is giving off a very strong gas smell. Brought it to Porsche Jacksonville and they are replacing the fuel line above the engine. They have to pull the engine to do so. No warning messages at all, just a strong gas smell. You can pull the rear engine cover and look into the engine bay and find the fuel on top of the engine, or brownish discoloring from fuel.

NHTSA ODI 11697354

Feb 11, 2020Transmission & drivetrainElectrical systemEngine

MY 2020 PORSCHE 911 WAS TWO DAYS OLD WHEN I GET A "IGNITION LOCK ERROR-SERVICE REQUIRED". THE NEXT DAY THE TACHOMETER STOPPED WORKING. AFTER THE DEALER FIXED THE PROBLEM, I DROVE HOME AND PARK THE CAR FOR TWO DAYS. THE NEXT DAY THE CAR WOULD NOT START. I WAS TOLD BY THE DEALER THIS CAR HAS MANY PROBLEMS WITH IT'S COMPUTER WHICH MAKES THE CAR UNSAFE BECAUSE LOTS OF ITS FUNCTIONS ARE COMPUTER CONTROLLED. I ALSO JUST RECEIVED A RECALL NO.19V-878.

NHTSA ODI 11308635

Working with the data? Download all 4 complaints as CSV · fetched from NHTSA July 14, 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 2020 Porsche 911 Carrera S Cabriolet verdict →