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What 505 owners told NHTSA about the 2011 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.
1 of 505 complaints match · Transmission & drivetrain · crash/fire/injury only · clear filters
Feb 23, 2017Transmission & drivetrainFire
TL* THE CONTACT OWNS A 2011 CHEVROLET IMPALA. WHEN THE VEHICLE WAS SHIFTED INTO REVERSE, THERE WAS AN ABNORMAL NOISE UNDERNEATH THE VEHICLE. THE VEHICLE STALLED AND WAS UNABLE TO BE RESTARTED. THE CONTACT STATED THAT THE TRANSMISSION EXPLODED WHILE THE VEHICLE WAS ON THE ROADWAY. THE CONTACT WAS ABLE TO SAFELY PUSH THE VEHICLE OUT OF THE WAY OF ONCOMING TRAFFIC. THE VEHICLE WAS NOT DIAGNOSED NOR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE ISSUE. THE APPROXIMATE FAILURE MILEAGE WAS 36,700.
NHTSA ODI 10956520
Working with the data? Download all 505 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 2011 Chevrolet Impala verdict →