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What 226 owners told NHTSA about the 2012 Mazda Mazda3 Sedan

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 (226)Crash / fire / injury (10)Transmission & drivetrain (40)Engine (32)Lights (31)Electrical system (25)Fuel system (22)Speed control (20)Airbags (17)Body & structure (17)Electronic Stability Control (esc) (16)Seats (16)

3 of 226 complaints match · Speed control · crash/fire/injury only · clear filters

Feb 14, 2020Speed controlCrash

I APPLIED THE BRAKES, AND THE CAR KEPT MOVING FORWARD EVEN THOUGH I WAS PRESSING THE BRAKE PEDAL. I PULLED THE EMERGENCY BRAKE BUT THAT DIDN'T STOP THE CAR FROM MOVING FORWARD AND HITTING THE BACK OF THE TRUCK IN FRONT OF ME. I WAS ON A HIGHWAY.

NHTSA ODI 11309258

Oct 25, 2012Speed controlCrash1 injury

TL* THE CONTACT OWNS A 2012 MAZDA MAZDA3. THE CONTACT STATED THAT WHEN DRIVING APPROXIMATELY 5 MPH AND PULLING INTO HER DRIVEWAY THE ACCELERATOR PEDAL GOT JAMMED AND AS A RESULT THE CONTACT CRASHED INTO HER GARAGE. THE DRIVER SUSTAINED INJURIES TO HER UPPER BACK AND NECK. THE POLICE WERE NOT CONTACTED. THE DEALER WAS LATER CONTACTED AND THEY OFFERED NO ASSISTANCE. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE WHO THEY ADVISED HER THAT THEY WOULD LOOK INTO THE ISSUE. THE VEHICLE WAS NOT REMOVED FROM THE CONTACTS GARAGE. THE FAILURE AND CURRENT MILEAGE WAS APPROXIMATELY 700.

NHTSA ODI 10482204

Sep 25, 2012Speed controlCrash

TL* THE CONTACT OWNS A 2012 MAZDA MAZDA3. THE CONTACT STATED THAT WHILE PARKING, THE VEHICLE SUDDENLY ACCELERATED AND CRASHED AGAINST A CEMENT POLE. A POLICE REPORT WAS NOT FILED AND NO INJURIES WERE REPORTED. THE VEHICLE WAS NOT TAKEN TO THE DEALER. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE WHO STATED THAT THEY WOULD LIKE TO FURTHER INSPECT THE VEHICLE. THE VEHICLE WAS IN THE PROCESS OF BEING REPAIRED. THE FAILURE AND CURRENT MILEAGE WAS UNKNOWN. UPDATED 11/13/12 *CN UPDATED 11/29/2012 *JS

NHTSA ODI 10477070

Working with the data? Download all 226 complaints as CSV · fetched from NHTSA July 18, 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 2012 Mazda Mazda3 Sedan verdict →