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What 228 owners told NHTSA about the 2018 Kia Optima Phev

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 (228)Crash / fire / injury (20)Engine (129)Electrical system (33)Transmission & drivetrain (18)Brakes (17)Lights (14)Engine & cooling (13)Fuel system (13)Steering (12)Speed control (10)Airbags (8)

7 of 228 complaints match · Airbags · crash/fire/injury only · clear filters

Nov 26, 2025AirbagsCrash1 injury

I was rearended, all air bags deployed except steeringwheel

NHTSA ODI 11701751

May 22, 2025AirbagsCrash

The contact called on behalf of his son who owned a 2018 Kia Optima. The contact stated that while driving at approximately 25 MPH, the front of the vehicle crashed into the rear end of the vehicle that was in front of him whom made a sudden stop. The contact was concerned that the air bags were not deployed. No warning lights was illuminated. A police report was filed. No medical attention was sought, and no injuries were sustained. The vehicle was pronounced totaled at the scene. The contact attempted to contact the manufacturer however, received no response. The failure mileage was 96,145.

NHTSA ODI 11662673

Nov 25, 2020AirbagsSeat beltsCrash1 injury

I WAS IN A CAR ACCIDENT AS I WAS DRIVING ON I65 AND MY AIR BAGS DID NOT DEPLOY AND MY SEAT BELT DIDN'T LOCK UP

NHTSA ODI 11376266

Sep 3, 2020AirbagsEngineFire

TL* THE CONTACT OWNS A 2018 KIA OPTIMA HYBRID. THE CONTACT STATED THAT WHILE DRIVING THE VEHICLE STARTED TO MAKE AN UNKNOWN NOISE, THE CONTACT COSTED TO THE SIDE OF THE ROAD AND CHECK UNDERNEATH AND AROUND THE VEHICLE TO SEE WHERE THE NOISE WAS COMING FROM BUT DID NOT FIND ANYTHING. THE CONTACT STATED THAT THE AIR BAG WARNING LIGHT ILLUMINATED. THE VEHICLE STATED THAT SHE WAS ON A WAY TO TAKEN THE VEHICLE FOR AN OIL CHANGE. THE TECHNICIAN HEARD THE NOSE AND INFORMED THE CONTACT THAT HE WAS WOULD NEED TO CHECK EVERYTHING BEFORE HE CAN COMPLETE AN OIL CHANGE. THE TECHNICIAN REMOVED THE PROTECTIVE SHIELD UNDERNEATH THE VEHICLE AND NOTICED OIL WAS ALL OVER AND METAL SHAVING WAS IN THE OIL AROUND THE OIL PRESSURE SENSOR. THE TECHNICIAN INFORMED THE CONTACT IT MAYBE WAS COMING FROM THE ENGINE. THE CONTACT CALLED NAPLETON'S MID RIVERS KIA, 4955 VETERANS MEMORIAL PKWY, ST PETERS, MO 63376, AND INFORMED THEM OF THE FAILURE AND THE CONTACT WAS INFORMED TO SCHEDULE AND APPOINTMENT. THE CONTACT STATED THAT SHE HAD THE VEHICLE TOWED TO AUFFENBERG HYUNDAI, 1300 CENTRAL PARK DR, O'FALLON, IL 62269, AND THE TECHNICIAN COULD NOT FIND A FAILURE. THE CONTACT WAS INFORMED THAT THE MANUFACTURER WOULD SEND AND ENGINEER TO INSPECT THE VEHICLE. THE VEHICLE WAS NOT REPAIRED YET. THE CONTACT MENTIONED THAT SHE WAS EXPERIENCING ELECTRIC SHACK FROM THE STEERING WHEEL AND THE ACCELERATOR PEDAL. AND THAT THE ACCELERATOR WAS LOSING PRESSURE AND THAT SMOKE WAS COMING THROUGH THE VENT OF THE CABIN. THE FAILURE MILEAGE WAS APPROXIMATELY 27,573.

NHTSA ODI 11353033

Dec 5, 2019AirbagsCrash1 injury

ON NOVEMBER 18, 2019 @ 6:38 PM IN PHOENIX, ARIZONA ON 59TH AVE HEADING WEST I WAS IN A VERY TERRIBLE CAR COLLISION WHERE I WAS AT A STAND STILL AT A RED LIGHT AND WAS REAR ENDED BY A TOYOTA TACOMA GOING 45-60 MPH, UPON IMPACT I WAS FORCED FORWARD AND HIT THE BACK OF A FLAT BED TOW TRUCK AND COMPLETELY DESTROYED THE FRONT OF THE VEHICLE. THE AIRBAGS DID NOT DEPLOY UPON IMPACT.

NHTSA ODI 11287036

Nov 21, 2018AirbagsBody & structureBrakesCrash1 injury

TAKATA RECALL. I WAS INVOLVED IN AN ACCIDENT WHERE I WAS COMING OFF THE HIGHWAY, SLID ON WATER AND CRASHED INTO A STEEL POLE. THE BREAKS DID NOT WORK AT ALL AND WHEN I GOT OUT TO LOOK AT THE DAMAGE THE BREAK PADS WERE IN THE MIDDLE OF THE STREET LIKE THEY HAD JUST FALL OFF. NONE OF THE AIRBAGS DEPLOYED AND MY FRIEND'S HEAD CRACKED THE WINDSHIELD. CAR WAS TOTALED.

NHTSA ODI 11153087

Aug 24, 2018AirbagsCrash2 injuries

TL* THE CONTACTS DAUGHTER WAS A PASSENGER IN A 2018 KIA OPTIMA. THE CONTACT STATED THAT THE VEHICLE WAS REAR ENDED AND CRASHED INTO A TREE. THE FRONTAL DRIVER AND PASSENGER AIR BAGS DID NOT DEPLOY. THE CONTACT'S DAUGHTER AND THE DRIVER WERE INJURED AND TREATED AT A HOSPITAL. A POLICE REPORT WAS FILED. THE VEHICLE WAS DESTROYED AND TOWED. THE DEALER AND THE MANUFACTURER WERE NOT CONTACTED. THE FAILURE MILEAGE AND VIN WERE UNKNOWN.

NHTSA ODI 11122109

Working with the data? Download all 228 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 2018 Kia Optima Phev verdict →