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What 5 owners told NHTSA about the 2020 Porsche Panamera Gts

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)Engine (2)Driver assistance (1)Electrical system (1)

1 of 5 complaints match · Driver assistance · clear filters

Jun 6, 2024Driver assistance

The Adaptive Cruise Control keeps faulting randomly and triggering the seatbelt warning ️. Also when the adaptive cruise control fails the cruise control disengaes altogether. This is very dangerous when driving. I have taken this car to the dealership 4 times within 2 months for this problem and no one can fix it.

NHTSA ODI 11592913

Working with the data? Download all 5 complaints as CSV · fetched from NHTSA July 24, 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 Panamera Gts verdict →