Home · 2025 Kia K4 · Complaints

What 40 owners told NHTSA about the 2025 Kia K4

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 (40)Crash / fire / injury (9)Electrical system (10)Engine (7)Transmission & drivetrain (7)Driver assistance (6)Lane Departure (6)Airbags (5)Speed control (4)Steering (4)Backup camera & sensors (3)Brakes (2)

0 of 40 complaints match · Steering · crash/fire/injury only · clear filters

No complaints match this filter. See all 40 →

Working with the data? Download all 40 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 2025 Kia K4 verdict →