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What 1,000 owners told NHTSA about the 2015 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 (1,000)Crash / fire / injury (103)Engine (617)Electrical system (134)Brakes (89)Body & structure (76)Steering (68)Fuel system (54)Transmission & drivetrain (49)Speed control (35)Engine & cooling (29)Airbags (26)

103 of 1,000 complaints match · crash/fire/injury only · clear filters · page 5 of 5

Sep 9, 2016Speed controlCrash

TL* THE CONTACT OWNS A 2015 KIA OPTIMA. WHILE DRIVING 3 MPH, THE VEHICLE ACCELERATED RAPIDLY ON ITS OWN AND CRASHED INTO A BRICK PORCH. THE AIR BAGS DID NOT DEPLOY. A POLICE REPORT WAS FILED AND THERE WERE NO INJURIES. THE VEHICLE WAS TOWED TO A REPAIR SHOP. THE MANUFACTURER WAS NOT MADE AWARE OF THE ISSUE. THE FAILURE MILEAGE WAS 20,000.

NHTSA ODI 10905115

Jun 16, 2016AirbagsCrash1 injury1 death

THE VEHICLE WAS INVOLVED IN AN FATAL ACCIDENT VEHICLE COLLIDED WITH A STANDING TREE THEN OVERTURN ONTO IT ROOF THE FRONTAL AIRBAGS DRIVER AND PASSENGER NEVER DEPLOYED VERY CONCERNING

NHTSA ODI 10874683

Oct 5, 2015Electrical system1 injury

THE BLUE TOOTH FOR THE PHONE IF ALLOWED TO RING CAN CAUSE ONE TO LOOSE CONTROL. THE RING CAN GO WELL PAST 100 DB. IF WE FORGET TO TURN OUR BLUE TOOTH OFF IT ACTUALLY HURTS.

NHTSA ODI 10779703

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Working with the data? Download all 1,000 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 2015 Kia Optima verdict →