2021 Hyundai Kona problems and complaints

Owners have filed 120 complaints with NHTSA about the 2021 Hyundai Kona. The most-reported areas: Engine (80), Unknown Or Other (19), Power Train (14).

Key takeaways

  • 120 owner complaints on file with NHTSA.
  • 2 involve a crash, 3 a fire, 3 reported injuries.
  • Complaints are unverified owner reports; recalls are confirmed defects.
Complaints by component
ComponentComplaintsShare
Engine8067%
Unknown Or Other1916%
Power Train1412%
Electrical System119%
Forward Collision Avoidance54%
Fuel/Propulsion System54%
Service Brakes43%
Vehicle Speed Control43%
Lane Departure33%
Engine And Engine Cooling22%
Wheels22%
Steering22%

One complaint can name several components, so shares add up to more than 100%.

NHTSA 5-Star crash ratings
VersionOverallFrontSideRollover
2021 Hyundai Kona SUV FWD5/55/55/54/5
2021 Hyundai Kona SUV AWD5/55/55/54/5

Latest complaints, as filed

Owner-written and unverified by NHTSA.

Unknown Or Other,service Brakes,forward Collision Avoidance - filed 2026-10-13

My 2021 Kona has undergone five separate oil consumption checks. The engine is depleting oil at an abnormal rate, creating a clear risk of sudden catastrophic engine failure and highway stalling. Dealership service personnel have repeatedly dismissed consumption data despite documented top-offs between 500 and 1,000 mi...

Engine,fuel/Propulsion System - filed 2026-10-05

All 4 fuel injectors failed. They were replaced but the check engine light came back on. Crank shaft sensor was then replaced and now the check engine light is back on. Driving the car waiting for something to fail is not safe

Engine - filed 2026-10-02

My exact engine was as in a recall but not my car which failed prematurely at 84,000. I have taken extensive maintenance in the car in the for the past 2 years. Hyundai made me pay to tow my car to a dealership denied me for a goodwill replacement with the same exact problems as the same exact recalled engine and stuck...

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More for the 2021 Hyundai Kona

Complaints are reports filed by owners with the National Highway Traffic Safety Administration. NHTSA publishes them without verifying them, and counts rise with how many cars were sold, so compare years of the same model rather than different models. Crash ratings are NHTSA's own 5-Star Safety Ratings results.