Home · 2012 Ford Mustang Gt350r · Complaints

What 469 owners told NHTSA about the 2012 Ford Mustang Gt350r

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 (469)Crash / fire / injury (23)Transmission & drivetrain (177)Airbags (158)Speed control (35)Engine (30)Body & structure (23)Fuel system (22)Electrical system (21)Steering (16)Suspension (16)Electronic Stability Control (esc) (12)

3 of 469 complaints match · Speed control · crash/fire/injury only · clear filters

Apr 20, 2019Speed controlCrash1 injury

IN 2012 OR 2013 I HAD AN ACCIDENT CAUSED BY UNINTENDED ACCELERATION. THE MUSTANG RAN INTO THE BACK OF SEMI TRUCK. UNATTENDED ACCELERATION HAPPENED TWICE IN THE SAME DAY AND THE SECOND TIME I COULD NOT GET IT TO BREAK FREE AND STOP UNTIL THE LAST SECOND BUT IT WAS TOO LATE IT HIT THE SEMI TRUCK TRAILER IN FRONT OF ME. THIS WAS INSPITE OF ME HAVING BOTH FEET PUSHING STRONGLY ON THE BRAKE PEDAL. WE HAD STARTED OFF SLOWLY FROM A RED LIGHT AND THEN THE CAR DOWNSHIFTED AND TOOK OFF. SOUTHWEST FORD IN WEATHERFORD, TX HAD CALLED THE FORD ENGINEER TO COME LOOK AT IT. IT TOOK A MONTH FOR HIM TO COME. HE LOOKED AT IT IN ITS BANGED UP SHAPE AND DECLARED THAT THERE WAS NO PROBLEM. WHEN I GOT THE CAR BACK SOMETHING HAD CHANGED. IT SEEMED LIKE THE SOFTWARE HAD BEEN CHANGED BECAUSE IT NEVER HAD THE PROBLEM AGAIN AND WHENEVER THE BRAKE WAS TOUCHED IT WOULD KILL ANY ACCELERATION IMMEDIATELY. ALSO I LOST ABOUT 3 MILES PER GALLON TILL THIS DAY. THE ENGINEER BLAMED ME WHEN HE OBVIOUSLY UPDATED THE SOFTWARE. ALSO THE VERY NEXT DAY AFTER THE ENGINEERS VISIT FORD WAS HIT WITH A CLASS ACTION LAWSUIT FOR JUST THIS REPORTED UNATTENDED ACCELERATION ACROSS MOST OF ITS MODELS. NOT MY FAULT! *TR

NHTSA ODI 11202665

Feb 5, 2016Speed controlCrash

TL* THE CONTACT OWNS A 2012 FORD MUSTANG. WHILE PULLING INTO A PARKING SPACE AT A VERY LOW RATE OF SPEED, THE VEHICLE SUDDENLY EXPERIENCED UNINTENDED ACCELERATION. THE VEHICLE CRASHED INTO A POLE AND A BUILDING. NO INJURIES WERE REPORTED AND A POLICE REPORT WAS FILED. THE CAUSE OF THE FAILURE WAS NOT DIAGNOSED. THE VEHICLE WAS TOWED AND NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 7,700.

NHTSA ODI 10824432

May 1, 2012Electrical systemSpeed controlEquipmentBrakesCrash

ISSUE # 1 BRAKES: UPGRADE "BREMBO" BRAKES SQUEAKED ABOUT 2 WEEKS OUT THE DEALERSHIP. TOOK IT A TOTAL OF 4 TIMES AND DEALER COULD NOT FIND THE ISSUE, THE 5TH TIME, I DROVE THE VEHICLE AND SHOWED SERVICE ADVISOR AND TECH. ACCORDING TO DEALER THE REAR BRAKES WERE REPLACED. THE NEXT DAY, BRAKES ARE STILL SQUEAKING, TAKE IT BACK TO DEALER WHERE IT WAS REPAIRED A SECOND TIME, PICKED UP THE CAR, ON THE 4TH DAY, I WAS COMING TO SLOWING DOWN READY TO BRAKE, PUSHED THE CLUTCH AND CAR JOLTED FORWARD (AS IF I PUSHED THE GAS AND LET GO OF THE CLUTCH). I DID NOT THINK ANYTHING OF IT, 5 MINUTES LATER, THE CAR STARTED GRINDING, NOISE WAS ONLY HEARD WHEN DRIVING AND WOULD STOP AS THE VEHICLE CAME TO A STOP. A FEW DAYS AFTER THAT I WAS MOVING CAR FORWARD, IN MY DRIVEWAY, PUT IN FIRST GEAR, CLUTCH IN , AS I SLOWLY RELEASED THE CLUTCH (NEVER TOUCHED THE GAS), AND AS I TRIED TO BRAKE, THE VEHICLE DID NOT STOP, CLUTCH ENGAGED, PUSHED THE BRAKE AS HARD AS I COULD THE CAR KEPT MOVING AS IF THERE WAS PRESSURE ON THE GAS PEDAL, ENDED UP HITTING OUR SUV PARKED IN FRONT, CAR STILL DID NOT STOP, ACTUALLY PUSHED SUV ABOUT 10 FEET FORWARD, UNTIL I TURNED OFF VEHICLE AND USED THE HAND BRAKE. ISSUE # 2 A/C - WHEN DRIVING THE AIR WOULD COME ON RANDOMLY, FULL BLAST, THE SCREEN WOULD SHOW EXTERIOR TEMPERATURE AT 00, 2 FANS WOULD COME ON, ONE ON EACH SIDE OF THE SCREEN DISPLAYING 88 DEGREES (VEHICLE IS NOT EQUIPPED WITH DUAL AIR CONTROLS ). THIS HAPPENS RANDOM AND IN THE PAST 4 MONTHS I'VE HAD THE CAR I HAVE EXPERIENCED THIS ISSUE 3 TIMES. - DEALER CANNOT FIND THE PROBLEM. *JS

NHTSA ODI 10456973

Working with the data? Download all 469 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 2012 Ford Mustang Gt350r verdict →