Kia K4: Years to Avoid and Best Years to Buy

Kia K4: 1 model years scored from 45 NHTSA owner complaints and 2 recall campaigns. Worst year 2025, best year 2025.

Kia K4

Year-by-year data table

YearScoreVerdict Running cost / yrNHTSA complaintsRecalls
202579BUY$3,235452

Running cost is fuel or energy plus the maintenance band midpoint for that car at its age today, re-priced to your country. Purchase price, insurance and depreciation are not included.

Photographs and every generation of the K4, through the years →

What goes wrong on the Kia K4

Across every K4 model year in our index, owners report these component groups most often. The cost beside each one is the representative repair for that group at a US independent shop, re-priced to your country.

  • Unknown Or Other12 complaints across all K4 years · typical job: Diagnosis and mixed repair$360–$940
  • Electrical System12 complaints across all K4 years · typical job: Alternator, battery-drain or body-module diagnosis and replacement$540–$1,310
  • Power Train7 complaints across all K4 years · typical job: Transmission service or clutch-pack repair$1,290–$4,040
  • Lane Departure7 complaints across all K4 years · typical job: Camera module replacement and calibration$680–$1,700
  • Engine7 complaints across all K4 years · typical job: Cooling-system or timing-drive repair$1,040–$2,220
  • Air Bags6 complaints across all K4 years · typical job: Airbag module, clockspring or sensor replacement$600–$1,700

Flat-rate labour hours x local shop rate plus a parts band. An estimate of what this class of failure costs, not a quote. Formula.

FAQ

What is the most common Kia K4 problem?

12 of the complaints filed against the K4 across all its model years sit in the Unknown Or Other group — more than any other component.

Sources: NHTSA, EPA · Methodology · Updated 2026-10-04