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What 107 owners told NHTSA about the 2012 Kia Optima Hybrid

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 (107)Crash / fire / injury (10)Engine (72)Electrical system (19)Brakes (10)Transmission & drivetrain (10)Steering (9)Speed control (5)Airbags (4)Body & structure (3)Fuel system (3)Engine & cooling (2)

2 of 107 complaints match · Electrical system · crash/fire/injury only · clear filters

Mar 8, 2019Electrical systemLightsAirbagsCrash1 injury

I WAS INVOLVED IN A HIGH SPEED, REAR END COLLISION IN WHICH I WAS TRAVELING AT APPROX 55MPH WHEN ANOTHER LARGE VEHICLE CHANGED LANES FROM RIGHT TO LEFT, RIGHT IN FRONT OF ME CAUSING ME TO COLLIDE WITH THEM. THE RESULT WAS SIGNIFICANT FRONT END DAMAGE TO MY CAR AND SIGNIFICANT BODILY INJURY TO MYSELF BECAUSE OF THE FAILURE OF MY BRAKES TO ADEQUATELY STOP MY CAR AND THE FAILURE OF THE AIR BAGS TO DEPLOY RESULTING IN MY BODY AND HEAD RAPIDLY FLYING FORWARD INTO THE STEERING WHEEL.

NHTSA ODI 11185463

Jun 14, 2018Electrical systemBrakesCrash

TODAY I JUST GOT MY CAR BACK FROM THE DEALERSHIP YESTERDAY FOR THE BRAKES FAILING IN THE HYBRID SYSTEM THEY TOLD ME EVERYTHING WAS FINE BUT THE MECHANIC SAID TO ME THAT WE DON'T KNOW WHAT'S GOING ON WITH THE CAR SO THEY LET ME LEAVE WITH IT I WAS IN LAKE WORTH TODAY DOING 45 MILES PER HOUR AND IT DID IT AGAIN AND SAID CHECK BRAKE CAR SHUT OFF MY BRAKES FAILED AND I RAN INTO A MEDIAN TO STOP MY CAR. KIA CORPORATION IS NOT DOING NOTHING ABOUT THIS THE DEALERSHIP DOES HE EVEN HAVE AN ANSWER FOR ME AND THAT IS GUNTHER KIA. I BELIEVE THAT I AM GOING TO DIE IF I DRIVE THIS CAR ANYMORE AND I HAVE A 4 YEAR OLD CHILD THAT THEY DO NOT CARE ABOUT I HAVE COMPLAINED TO THE KIA CORPORATION 5 TIMES ALREADY

NHTSA ODI 11101949

Working with the data? Download all 107 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 Kia Optima Hybrid verdict →