Home · 2020 Chevrolet Impala · Complaints

What 15 owners told NHTSA about the 2020 Chevrolet Impala

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 (15)Crash / fire / injury (3)Electrical system (3)Steering (3)Airbags (2)Fuel system (2)Transmission & drivetrain (2)Body & structure (1)Engine (1)Lane Departure (1)Lights (1)Seat belts (1)

1 of 15 complaints match · Body & structure · clear filters

Oct 8, 2021Electrical systemBody & structureSeats

The air conditioner tube was off inside the vehicle and caused massive leaking in the carpets. Causing mold to grow excessively under the floor mats, in the carpets, under the seats, etc. Which as a result led to electrical issues. It’s being looked into by a senior member at GM for months now, nothing is being done. Radley Chevy in Fredricksburg Virginia hasn’t done anything for us either. My family is now having respiratory issues due to the mold issue.

NHTSA ODI 11436029

Working with the data? Download all 15 complaints as CSV · fetched from NHTSA July 19, 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 Chevrolet Impala verdict →