Engine complaints and recalls from NHTSA
Summary
The 2021 Hyundai Tucson has 27 NHTSA engine complaints and 0 engine-related recalls.
27
Complaints
0
Recalls
2
Injuries Reported
Data source: National Highway Traffic Safety Administration (NHTSA) · Last updated June 12, 2026
| Date ↓ | Component | Summary |
|---|---|---|
| May 7, 2026 | ENGINE | 2 years ago I had the engine replaced. Now on this new engine which has approximately 29k. The mecha... |
| Mar 16, 2026 | ENGINE | My 2021 Hyundai Tucson has experienced repeated engine-related failures associated with a knock sens... |
| Mar 13, 2026 | ENGINE | While driving on the freeway, my 2021 Hyundai Tucson SE (72,021 miles) suddenly and without warning ... |
| Feb 3, 2026 | ENGINE | The contact owned a 2021 Hyundai Tucson. The contact stated that while driving at 10 MPH, an abnorma... |
| Jan 17, 2026 | ENGINE | I have been adding oil to this engine excessively for more than 3 years..I have had appointments wit... |
| Jan 1, 2026 | ENGINE,FUEL/PROPULSION SYSTEM | My car is burning oil. I have returned multiple times to have it serviced and checked for leaks, but... |
| Dec 26, 2025 | ENGINE | I am the original owner of this car and in June 2025 I brought my car to Hyundai from noises and the... |
| Dec 23, 2025 | ENGINE | Oil light comes on between changes at about 1500 miles before needing one, oil does not show on dips... |
| Nov 27, 2025 | ENGINE AND ENGINE COOLING | The contact owned a 2021 Hyundai Tucson. The contact stated that immediately after purchasing the ce... |
| Oct 22, 2025 | ENGINE | Engine started making a knocking sound, then the oil light came on followed by the check engine ligh... |
| Oct 17, 2025 | ENGINE | My family’s safety is at serious risk with my 2021 Hyundai Tucson, which I’ve owned only 55 days. Th... |
| Aug 9, 2025 | ENGINE | We were driving and the engine light started flashing and buckling. The vehicle had been properly ma... |
| Mar 1, 2025 | ENGINE | When going through Auburn, AL with speed limit of 70 mph my car engine started blinking on and off t... |
| Jan 1, 2025 | ENGINE AND ENGINE COOLING | The contact owns a 2021 Hyundai Tucson. The contact stated that while driving at various speeds, the... |
| Dec 23, 2024 | ENGINE | Around November 1, 2024 my 2021 Tucson check engine light came on. I had this checked out and was t... |
| Nov 24, 2024 | ENGINE | There was a recall on this engine which I had updated the knock sensor campaign. While on the highwa... |
| Nov 21, 2024 | ENGINE | The contact owns a 2021 Hyundai Tucson. The contact stated while driving at an undisclosed speed, th... |
| Aug 4, 2024 | ENGINE | My check engine light came on in the vehicle and immediately the acceleration declined and I wasn’t ... |
| Aug 1, 2024 | ENGINE | Oil Consumption problems |
| Jun 18, 2024 | ENGINE | Crank sensor went bad and engine needs rebuilt |