2020 Buick Enclave Transmission and drivetrain Problems
- Complaints
- 9about this part
- Share
- 15%of 61 total for the year
- Median mileage
- 2,650miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 9 complaints about the transmission and drivetrain of the 2020 Buick Enclave, 15% of the 61 complaints for this model year. Where a mileage was given, the median is 2,650 miles. 1 of these say a crash was involved, according to the filers. 1 recall campaign on record is filed under a similar system.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“I bought a 2020 Buick Enclave, (owned by gmc) with 6 miles on it, 1 week ago. Yesterday the check engine light came on and the car started jerking anytime the transmission switched gears. I called to try to get it in to a certified Buick dealership to be looked at and nowhere can get it in for 3-5 days and none of the dealerships will give a loaner car until the time of the vehicle appointment. …”
NHTSA complaint #11330057, filed 2020-06, 600 miles“Bought brand new 2020 Buick Enclave, with 4 miles on it, on 6/13/20. Started having transmission problems almost immediately. The car would jerk hard (hard shift) when pushing on the gas and also anytime it was placed in park. On 6/21/20 the check engine light came on and the vehicle would barely shift. Called local Buick - GM dealership to get repaired. Local shop restarted computer on 6/24/20 and said that it was good to go. Drove it less than 3 miles before service engine light came back on and jolting started again. …”
NHTSA complaint #11331938, filed 2020-07, 100 miles“Why enclave Burns about 1 to 2 quarts of oil in between oil changes so I'm constantly having to check the oil level and put more oil in it which come really close to being out of oil and causing the engine to seize Buick says this is normal and I don't think it is I have never had a car that uses oil like this new or used in addition to that the transmission is locked up twice since we have owned it and can't get it out of park can't drive it can't use it. Had to have it towed . …”
NHTSA complaint #11732460, filed 2026-04“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 vehicle was towed to the dealer. The vehicle was diagnosed with a failed valve body and internal transmission failure. The contact was informed that the transmission needed to be replaced. The manufacturer was contacted by phone and a case was filed. …”
NHTSA complaint #11766427, filed 2026-09, 58,000 miles“The contact owns a 2020 Buick Enclave. The contact stated that while driving at an undisclosed speed, the accelerator pedal was depressed; however, the vehicle failed to accelerate as intended. The vehicle lost motive power and was coasted to the shoulder of the roadway. No warning light was illuminated. The vehicle was towed to the dealer where it was diagnosed with transmission failure. The contact was informed that the transmission needed to be replaced. The vehicle was in the process of being repaired. The manufacturer was made aware of the failure, and a case was filed. …”
NHTSA complaint #11744760, filed 2026-06, 45,684 milesRelated recalls
- 20V668000Oct 29, 2020General Motors LLC (GM) is recalling certain 2018-2019 Chevrolet Cruze and Buick LaCrosse, 2018-2020 Chevrolet Equinox, Chevrolet Traverse and GMC Terrain…Covers: Buick Enclave 2019–2020, Chevrolet Equinox 2018–2020, Traverse 2018–2020 +9 more
Related service bulletins
- 11019516Apr 17, 2025This preliminary informational (PI) bulletin provides information to dealership personnel that may be helpful when addressing underbody component corrosion with customers.
- 11013069Jan 9, 2025This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
- 11011989Nov 27, 2024This service bulletin provides information on the harmful effects of ethylene glycol in transmission fluid.
- 11011225Oct 29, 2024This service bulletin advises the tech that the rotational Clicking Noise Heard After Engine Shut Down may be normal characteristics of the vehicle.
- 11011205Oct 28, 2024This informational bulletin explains Unscheduled Supplemental Services and the importance of GM Simplified Maintenance Schedules.
- 11009466Sep 27, 2024This service bulletin provides a procedure to correct a customer concern of Shudders or Shakes at Low Speeds.
- 11009756Sep 17, 2024This bulletin provides information on Policies Applicable to All U.S. Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and…
- 11009088Sep 16, 2024This service bulletin provides information on some vehicles that may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be…
- 11006421Jul 24, 2024GM is receiving damaged (cracked or broken) transmission cores returned to the reman facilities. The damage is being caused either in the removal process by the technician, or…
- 11005311Jul 9, 2024This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operation.
Transmission and drivetrain: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2025 | 3 | 8% |
| 2024 | 1 | 14% |
| 2023 | 2 | 9% |
| 2022 | 1 | 7% |
| 2021 | 2 | 8% |
| 2020 | 9 | 15% |
| 2019 | 17 | 39% |
| 2018 | 16 | 24% |
| 2017 | 4 | 2% |
| 2016 | 10 | 7% |
| 2015 | 4 | 2% |
| 2014 | 21 | 7% |
| 2013 | 14 | 20% |
| 2012 | 13 | 10% |
| 2011 | 38 | 18% |
| 2010 | 34 | 12% |
| 2009 | 33 | 15% |
| 2008 | 139 | 26% |
Other parts of the 2020 Buick Enclave
17 complaintsOther or unknown
14 complaintsElectrical system
10 complaintsFuel system
8 complaintsBrakes
6 complaintsSeat belts
3 complaintsSteering
3 complaintsEngine cooling
2 complaintsBody and structure
2 complaintsSuspension
2 complaintsAir bags
1 complaintsBack-over prevention (rear camera)
1 complaints
← All problems reported for the 2020 Buick Enclave
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology