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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.
2 of 40 complaints match · Backup camera & sensors · crash/fire/injury only · clear filters
Feb 13, 2026Backup camera & sensorsCrash
The insurance claim agent called on behalf of their insured driver, who rented a 2025 Kia K4. The contact stated that while their insured driver was attempting to reverse, the reverse sensor became inoperable with no warning lights illuminated. The contact stated that the reverse sensor failed to function properly. The contact stated that due to the failure, the rear of the vehicle crashed into a barrier. The driver did not suffer any injuries, and no medical attention was required. A police report was not filed. The contact stated that the air bags did not deploy during the incident. The dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was not made aware of the failure. The rental company was made aware of the failure, and a case was opened. The failure mileage was not available.
NHTSA ODI 11717827
Feb 6, 2026Backup camera & sensorsDriver assistanceCrash
The 2025 Kia K4 sensors failed to go off resulting in the rear bumper to hit a barrell. The operator of the Kia K4 was reversing at 1mph
NHTSA ODI 11716251
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 →