2020 Buick Enclave problems and complaints
Owners have filed 60 complaints with NHTSA about the 2020 Buick Enclave. The most-reported areas: Engine (16), Unknown Or Other (13), Electrical System (10).
Key takeaways
- 60 owner complaints on file with NHTSA.
- 3 involve a crash, 0 a fire, 2 reported injuries.
- Complaints are unverified owner reports; recalls are confirmed defects.
| Component | Complaints | Share |
|---|---|---|
| Engine | 16 | 27% |
| Unknown Or Other | 13 | 22% |
| Electrical System | 10 | 17% |
| Power Train | 9 | 15% |
| Fuel/Propulsion System | 6 | 10% |
| Service Brakes | 5 | 8% |
| Steering | 3 | 5% |
| Seat Belts | 3 | 5% |
| Structure | 2 | 3% |
| Suspension | 2 | 3% |
| Engine And Engine Cooling | 2 | 3% |
| Fuel System | 2 | 3% |
One complaint can name several components, so shares add up to more than 100%.
| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| 2020 Buick Enclave SUV AWD | 5/5 | 4/5 | 5/5 | 4/5 |
| 2020 Buick Enclave SUV FWD | 5/5 | 4/5 | 5/5 | 4/5 |
Latest complaints, as filed
Owner-written and unverified by NHTSA.
Unknown Or Other - filed 2026-10-13
Shift gear won't go into park. Emergency brake locked. Had dealer look at it and apparently a valve is blocked in transmission. Seen a number of complaints about transmission issues on this particular model yet this Vin is not on recall. GM says it needs a whole new transmission which will be $10,000. Really?? The lea...
Engine,fuel/Propulsion System - filed 2026-09-23
My car started making a loud and rattling noise and when I had my vehicle looked at there was a huge crack in my exhaust pipe which could potentially be leaking harmful toxins in the cabin of my vehicle. I have been to so many places who say they don’t have what they need to repair this and that I need to reach out to ...
Power Train - filed 2026-09-23
The contact owns a 2020 Buick Enclave. While the contact's wife was attempting to park the vehicle, the transmission failed to shift into park as needed. The contact stated that after several attempts, the vehicle was parked. The contact used bricks to chock the wheels to prevent the vehicle from rolling backwards. The...
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More for the 2020 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.