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What 252 owners told NHTSA about the 2017 Kia Optima

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 (252)Crash / fire / injury (13)Engine (161)Electrical system (25)Fuel system (22)Transmission & drivetrain (20)Lights (15)Speed control (13)Steering (11)Driver assistance (8)Seat belts (8)Engine & cooling (7)

3 of 252 complaints match · Electrical system · crash/fire/injury only · clear filters

Mar 4, 2021Electrical systemEngineFire

THE WIRING HARNESS WAS REPLACED IN MY 2017 KIA OPTIMA IN 2019 AT APPROXIMATELY 45,000 MILES. KIA REPLACED MY ENGINE JANUARY 2020 BECAUSE IT WAS CONSUMING LARGE AMOUNTS OF OIL. I JUST GOT MY CAR BACK IN JANUARY 28, 2021 WITH A SUPPOSEDLY NEW ENGINE. ON MARCH 3, 2021, MY CAR CAUGHT FIRE WHILE PULLING OUT OF MY NEIGHBORHOOD ACTUALLY DRIVING DOWN THE STREET. SMOKE AND FLAMES WERE COMING OUT FROM UNDERNEATH THE HOOD THE OF THE CAR. THE ENTIRE FRONT END OF THE CAR BURNED. THANKFULLY, THE FIRE DEPARTMENT GOT THE FIRE OUT AND NO ONE WAS INJURED.

NHTSA ODI 11399073

Jul 22, 2019Electrical systemBody & structureEngineFire

WHILE MY SIGNIFICANT OTHER AND I WERE DRIVING DOWN THE HIGHWAY OUR CAR BEGAN SMOKING FROM UNDER THE HOOD, THEN SMOKE BEGAN COMING THROUGH THE AIR VENTS INSIDE THE CAR; WITHIN SECONDS WE SEEN FLAMES COMING OUT FROM UNDER THE HOOD AND IMMEDIATELY EVACUATED THE VEHICLE IN HEAVY TRAFFIC WITH NO WHERE TO PULL OVER. WITHIN MINUTES THE ENTIRE CAR WAS ENGULFED IN FLAMES. THERE WAS NO WARNING, OUR CAR WAS REGULARLY MAINTAINED, THERE WERE NO CHECK ENGINE LIGHTS OR OTHERS DISPLAYING ON THE DASH, NO LEAKS OR OVERHEATING TO CAUSE THIS.

NHTSA ODI 11233869

Aug 24, 2017Electrical systemCrash

TL* THE CONTACT OWNS A 2017 KIA OPTIMA. WHILE ATTEMPTING TO ACCELERATE FROM A STOP, THE VEHICLE STALLED WITHOUT WARNING. AS A RESULT, ANOTHER VEHICLE CRASHED INTO THE REAR OF THE CONTACT'S VEHICLE. THERE WERE NO INJURIES AND A POLICE REPORT WAS FILED. THE CONTACT WAS ABLE TO DRIVE THE VEHICLE. THE VEHICLE WAS TAKEN TO JEFF WYLER KIA (LOCATED AT 5815 DIXIE HWY, FAIRFIELD, OH 45014) WHERE IT WAS DIAGNOSED, BUT THE TECHNICIAN COULD NOT FIND A FAILURE. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER STATED THAT THEY WOULD GET BACK WITH THE CONTACT. THE CONTACT HAD NOT HEARD BACK FROM THE MANUFACTURER. THE APPROXIMATE FAILURE MILEAGE WAS 4,700.

NHTSA ODI 11019438

Working with the data? Download all 252 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 2017 Kia Optima verdict →