Home · 2018 Kia Optima Phev · Complaints

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)

3 of 228 complaints match · Transmission & drivetrain · crash/fire/injury only · clear filters

Dec 24, 2019Transmission & drivetrainCrash

THE CV AXLE ASSEMBLIES SNAP LIKE THE 2016 MODELS DO KIA'S RECALL NUMBER SC139.

NHTSA ODI 11291095

Sep 9, 2019Transmission & drivetrainEngineFire

WHILE I WAS DRIVING MY VEHICLE ON THE STREETS; ITS AN 2018 KIA OPTIMA.ON AUGUST 2,2019 MY CAR ENGINE CAUGHT ON FIRE.PEOPLE WALKING ON THE SIDEWALK AND OTHER DRIVERS STOP TO ALERT ME THAT THEY SAW FIRE FROM THE BOTTOM OF THE CAR.THEN WHILE DRIVING I START TO NOTICE EXTREME SMOKE COMING FROM THE HOOD SO MUCH I COULDNT NO LONGER LOOK WHERE I WAS GOING.I PANICKED AND MIND WAS RACING Q HOW COULD THIS HAPPEN I GOT THIS CAR NEW LAST YEAR MAY 1,2018. WHEN I JUMPED OUT TO LOOK AT THE HOOD I SAW MY ENGINE ENGULFED WITH FLAMES.NEARBY DRIVER THREW ME A BOTTOLE OF WATER,LUCKILY I HAD JUST BOUGHT 24 CASE OF WATER, ANOTHER DRIVER PULLED OVER AND WAS HELPING ME POUR WATER TO REDUCE THE DAMAGE OF THE FIRE.NO ENGINE LIGHT WAS ON OR ANY OTHER WARNING LIGHTS BEFORE OR AFTER THE FIRE AND I HAD MY RECENTLY OIL CHANGE.

NHTSA ODI 11254060

Jan 20, 2018Transmission & drivetrain2 injuries

SATURDAY, JANUARY 20, 18:55(APPROXIMATELY) AMHERST MASSACHUSETTS, 39 DEGREES FAHRENHEIT PARKED CAR, PULLED KEYS AND EXITED CAR TO HELP MY MOTHER EXIT. PARKED ON INCLINE, VEHICLE STARTED ROLLING BACK DOWN DRIVEWAY HAD KEYS IN POCKET AUTOMATIC TRANSMISSION VEHICLE TRIED MOVING BACK TO DRIVER DOOR WHICH HAD LOCKED OR WAS STUCK USED ALL STRENGTH TO TRY TO KEEP VEHICLE STATIONARY, WITHOUT MUCH H SUCCESS FINALLY, MOTHER WAS ABLE TO OPEN DRIVER DOOR FROM INSIDE I AM 53, WITH MILLIONS OF MYLES UNDER MY BELT....MOTHER IS 73 BOTH OF US STRAINED OURSELVES, KEEPING VEHICLE FROM MOVING. VEHICLE WAS PARKED ON PRIVATE, SLIGHTLY DESCENDING DRIVEWAY VEHICLE RENTED FROM ADVANTAGE RENT A CAR CALLED RENTAL COMPANY AND WAS NOT HELPED WE ARE STILL VERY SHAKEN FROM THE EXPERIENCE WILL NOT DRIVE VEHICLE AGAIN NO VIDEO FOOTAGE, JUST MY MOTHER AND I EXPERIENCED MALFUNCTION

NHTSA ODI 11063913

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 →