2020 Buick Enclave problems and complaints
Owners have filed 61 complaints with NHTSA about the 2020 Buick Enclave. The most-reported areas: Engine (17), Unknown Or Other (13), Electrical System (10).
Key takeaways
- 61 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 | 17 | 28% |
| Unknown Or Other | 13 | 21% |
| Electrical System | 10 | 16% |
| 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%.
Parts for the 2020 Buick Enclave
GarageDex's verified specs for this car. Each Buy button searches Amazon for that exact part.
- Battery
- Engine oil
- Oil filter
- Engine air filter
- Cabin air filter
- Wiper blades
- Headlight bulb
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| 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.
Engine - filed 2026-10-21
My vehicle is taking oil into the engine and is available for inspection. The mechanic says some component in the engine is taking in oil. I am losing about 3/4 of a quart every 500 miles. He said his best estimate is in months to a year it will blow the motor. I have not taken it to a dealership just the mechanic c...
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 ...
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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.