Feb 18, 2026Speed control
transmission stopped working when the vehicle was used under 200 miles.
NHTSA ODI 11718955
Home · 2026 Kia K4 5dr · Complaints
What 6 owners told NHTSA about the 2026 Kia K4 5dr
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 (6)Crash / fire / injury (3)Lane Departure (3)Driver assistance (2)Steering (2)Speed control (1)Tires (1)
1 of 6 complaints match · Speed control · clear filters
Working with the data? Download all 6 complaints as CSV · fetched from NHTSA July 18, 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 2026 Kia K4 5dr verdict →