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What 181 owners told NHTSA about the 2021 Chevrolet Trailblazer
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.
1 of 181 complaints match · Body & structure · crash/fire/injury only · clear filters
May 3, 2022Body & structure1 injury
The contact owns a 2021 Chevrolet Trailblazer. The contact stated that while outside the vehicle, the power liftgate opened and closed independently. The liftgate struck the driver on the head. The vehicle was taken to the local dealer but the vehicle was not diagnosed or repaired. The manufacturer was notified of the failure but no additional assistance was provided. The approximate failure mileage was 5. The contact stated that this issue happens a lot and at any time.
NHTSA ODI 11463175
Working with the data? Download all 181 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 2021 Chevrolet Trailblazer verdict →