2021 Hyundai Tucson problems and complaints
Owners have filed 78 complaints with NHTSA about the 2021 Hyundai Tucson. The most-reported areas: Engine (38), Service Brakes (12), Electrical System (11).
Key takeaways
- 78 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.
| Component | Complaints | Share |
|---|---|---|
| Engine | 38 | 49% |
| Service Brakes | 12 | 15% |
| Electrical System | 11 | 14% |
| Unknown Or Other | 10 | 13% |
| Power Train | 8 | 10% |
| Fuel/Propulsion System | 8 | 10% |
| Forward Collision Avoidance | 6 | 8% |
| Engine And Engine Cooling | 3 | 4% |
| Hydraulic | 3 | 4% |
| Vehicle Speed Control | 2 | 3% |
| Structure | 2 | 3% |
| Air Bags | 2 | 3% |
One complaint can name several components, so shares add up to more than 100%.
| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| 2021 Hyundai Tucson SUV FWD | 5/5 | 5/5 | 5/5 | 4/5 |
| 2021 Hyundai Tucson SUV AWD | 5/5 | 5/5 | 5/5 | 4/5 |
Latest complaints, as filed
Owner-written and unverified by NHTSA.
Engine - filed 2026-08-29
Engine knock sensor went off and now the engine needs replacement due to faulty cylinder rod.
Engine And Engine Cooling,power Train - filed 2026-08-20
See attached document for complaint.
Engine - filed 2026-08-11
The contact owns a 2021 Hyundai Tucson. The contact stated that while driving at an undisclosed speed, the engine blew. No warning lights were illuminated. There was white smoke coming from the hood of the vehicle. The vehicle was towed to the dealer; however, the vehicle was not diagnosed or repaired. The manufacturer...
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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.