2021 Hyundai Tucson problems and complaints

Owners have filed 80 complaints with NHTSA about the 2021 Hyundai Tucson. The most-reported areas: Engine (39), Electrical System (12), Service Brakes (12).

Key takeaways

  • 80 owner complaints on file with NHTSA.
  • 2 involve a crash, 3 a fire, 7 reported injuries.
  • Complaints are unverified owner reports; recalls are confirmed defects.
Complaints by component
ComponentComplaintsShare
Engine3949%
Electrical System1215%
Service Brakes1215%
Unknown Or Other1013%
Power Train810%
Fuel/Propulsion System810%
Forward Collision Avoidance68%
Vehicle Speed Control34%
Engine And Engine Cooling34%
Hydraulic34%
Structure23%
Air Bags23%

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

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

Latest complaints, as filed

Owner-written and unverified by NHTSA.

Electrical System,exterior Lighting,vehicle Speed Control - filed 2026-10-10

loss of info system loss of all dash lights when I turn the engine off most of the time I loose all electrical systems (will not start for at least 15 minutes) if doors lock I can only unlock the drivers door with the auxiliary key. Has tried to shift in to park while driving (one time) Lost all power (engine and ste...

Engine - filed 2026-09-23

I took my car in to Allen Samuals Hyundai dealership to have the 9C2 recall update completed on May 15th 2026. Ever since then my vehicle has had a rough hesitation or sputtering when driving. On May 18th Hyundai released a statement stating there was an issue with the update completed on the 9C2 campaign. However no ...

Engine - filed 2026-08-29

Engine knock sensor went off and now the engine needs replacement due to faulty cylinder rod.

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More for the 2021 Hyundai Tucson

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.