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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.

All (505)Crash / fire / injury (30)Electronic Stability Control (esc) (132)Engine (125)Electrical system (95)Seats (77)Speed control (69)Transmission & drivetrain (64)Brakes (38)Airbags (37)Steering (35)Visibility & wipers (28)

5 of 505 complaints match · Engine · crash/fire/injury only · clear filters

Nov 12, 2020EngineFire2 injuries

I WAS DRIVING AND A PART IN MY A/C BEGAN CLICKING LOUDLY, THEN THE AIR SHUT OFF COMPLETELY AND STARTED SMOKING. A LOUD NOISE CAME FROM WHERE THE A/C BLOWER MOTOR IS AND WITHIN MOMENTS THE ENTIRE CAR WAS ENGULFED IN FLAMES.

NHTSA ODI 11374324

May 9, 2016AirbagsBrakesEngineCrash1 injury

G.M. REPLACED MY INGINTION SWITCH ON A NATIONAL RECALL. I WAS HIT IN LEFT REAR QTR. PANEL. I LOST ALL POWER AND COULD NOT STOP OR STEER THE CAR. I CAREENED ACROSS HIGHWAY AND RAN INTO A HOUSE. NO AIR BAGS DEPLOYED EITHER. G.M. SENT A TEAM TO RECOVER COMPUTER INFO AND HAS NOW TOLD ME THERE IS NO PROBLEM.

NHTSA ODI 10863980

Nov 4, 2014Traction Control SystemEngineFire

TL* THE CONTACT OWNS A 2011 CHEVROLET IMPALA. THE CONTACT STATED THAT WHILE DRIVING 40 MPH, THE VEHICLE STALLED AS THE TRACTION CONTROL AND CHECK ENGINE WARNING LIGHTS ILLUMINATED. THE CONTACT MENTIONED THAT WHILE ATTEMPTING TO INSPECT THE VEHICLE, BURNING FUMES EMITTED IN AND AROUND THE VEHICLE. THE CONTACT MENTIONED THAT THE FAILURE COULD HAVE BEEN DIRECTLY RELATED TO NHTSA CAMPAIGN NUMBER: 14V355000 (ELECTRICAL SYSTEM). THE VEHICLE WAS TAKEN TO THE DEALER. THE TECHNICIAN WAS UNABLE TO DIAGNOSE THE FAILURE. THE MANUFACTURER WAS NOT MADE AWARE OF FAILURE. THE FAILURE MILEAGE WAS 34,239.

NHTSA ODI 10652333

Sep 29, 2014AirbagsEngineCrash1 injury

TL* THE CONTACT OWNED A 2011 CHEVROLET IMPALA. WHILE DRIVING APPROXIMATELY 45 MPH, THE ENGINE STALLED. THE CONTACT LOST CONTROL OF THE VEHICLE AND CRASHED INTO AN EMBANKMENT. THE DRIVER SIDE FRONTAL AIR BAG FAILED TO DEPLOY. THE CONTACT SUFFERED INJURIES TO THE HEAD, ARM, AND CHEST. MEDICAL ATTENTION WAS RECEIVED. THE MANUFACTURER WAS NOT NOTIFIED. THE VEHICLE WAS DESTROYED. A POLICE REPORT WAS FILED. THE CONTACT RECEIVED A RECALL NOTICE FOR NHTSA CAMPAIGN NUMBER: 14V355000 (ELECTRICAL SYSTEM) AFTER THE CRASH OCCURRED. THE FAILURE MILEAGE WAS 113,000.

NHTSA ODI 10639751

Aug 20, 2014AirbagsEngineCrash1 injury

TL* THE CONTACT OWNS A 2011 CHEVROLET IMPALA. WHILE THE BRAKES WERE APPLIED, ANOTHER VEHICLE CRASHED INTO THE REAR OF THE CONTACT'S VEHICLE. THE AIR BAGS FAILED TO DEPLOY. THE CONTACT SUSTAINED NECK, BACK, AND SHOULDER INJURIES THAT REQUIRED MEDICAL ATTENTION. A POLICE REPORT WAS FILED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC FOR REPAIRS. THE DRIVER AND REAR PASSENGER SIDE DOORS, SIDE PANEL, TRUNK, AND REAR BUMPER WERE REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 50,000. UPDATED 10/09/14*LJ THE CONSUMER STATED FUMES WOULD ENTER THE VEHICLE THROUGH THE VENTS. THE VEHICLE EXPERIENCED ROARING NOISES IN THE REAR ON THE HIGHWAY. UPDATED 3/26/2015 *JS

NHTSA ODI 10626591

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 →