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What 96 owners told NHTSA about the 2023 Kia K5

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 (96)Crash / fire / injury (11)Fuel system (45)Body & structure (14)Engine (11)Transmission & drivetrain (11)Brakes (5)Driver assistance (5)Airbags (4)Electrical system (4)Seats (4)Lane Departure (2)

2 of 96 complaints match · Driver assistance · crash/fire/injury only · clear filters

Jan 30, 2026BrakesDriver assistanceCrash1 injury

The contact owns a 2023 Kia K5. The contact stated that while driving at approximately 5 MPH and approaching a stop sign exiting a parking lot, as the contact depressed the brake pedal to stop for a commercial truck stopped at the exit, the "collision warning" illuminated. The contact stated that the brake pedal went soft and depressed to the floorboard. The contact stated that he crashed into the rear of the truck. The contact stated that there was a slight dent in the metal frame of the truck. The contact stated that his vehicle's front grill and both headlight housings were crushed. The contact stated that the hood was crumpled back towards the windshield, and the radiator was punctured and crushed. The contact stated that the police were called and filed a report. The vehicle was towed to an impound lot. The contact had called his insurance provider. The contact stated that he was later driven to the ER by a friend due to neck pain and headaches. The contact stated that he was diagnosed with neck strain and no other injuries. The vehicle had not yet been diagnosed or repaired. The manufacturer was not informed of the failure. The failure mileage was approximately 27,000.

NHTSA ODI 11714430

Apr 10, 2023Driver assistanceCrash

Went through automatic car wash, in neutral. The gear shifted and the car sped up, bumping the back of another car in front. No warning sound, and no auto break.

NHTSA ODI 11516253

Working with the data? Download all 96 complaints as CSV · fetched from NHTSA July 10, 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 2023 Kia K5 verdict →