2021 Buick Enclave problems and complaints
Owners have filed 25 complaints with NHTSA about the 2021 Buick Enclave. The most-reported areas: Electrical System (6), Service Brakes (6), Unknown Or Other (4).
Key takeaways
- 25 owner complaints on file with NHTSA.
- 0 involve a crash, 0 a fire, 0 reported injuries.
- Complaints are unverified owner reports; recalls are confirmed defects.
| Component | Complaints | Share |
|---|---|---|
| Electrical System | 6 | 24% |
| Service Brakes | 6 | 24% |
| Unknown Or Other | 4 | 16% |
| Seat Belts | 3 | 12% |
| Structure | 3 | 12% |
| Power Train | 2 | 8% |
| Latches/Locks/Linkages | 2 | 8% |
| Engine | 2 | 8% |
| Fuel/Propulsion System | 1 | 4% |
| Steering | 1 | 4% |
| Lane Departure | 1 | 4% |
One complaint can name several components, so shares add up to more than 100%.
| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| 2021 Buick Enclave SUV AWD | 5/5 | 4/5 | 5/5 | 4/5 |
| 2021 Buick Enclave SUV FWD | 5/5 | 4/5 | 5/5 | 4/5 |
Latest complaints, as filed
Owner-written and unverified by NHTSA.
Seat Belts - filed 2026-07-28
The contact owns a 2021 Buick Enclave. The contact stated that while driving at an undisclosed speed with the contact and her daughter inside the vehicle, her daughter's seat belt became extremely tight. The seat belt failed to unlatch, forcing the contact to cut the seat belt to remove her daughter from the seat. The ...
Power Train - filed 2026-06-17
The muffler and tail pipe has fallen off 6 times and ive had to get repaired. I believe it is due to the bad torque converter that others have complained about and goggle says that is a likely failure on the buick.
Structure - filed 2026-06-15
The liftgate of my vehicle began opening on it's own at no apparent interval, but now occurs frequently while waiting for a repair part to come in. This has happened while parked - including in public parking lots (where someone malicious could have entered the vehicle and the closed the liftgate after entering the ve...
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More for the 2021 Buick Enclave
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.