2020 Buick Encore GX power train problems
16 owner complaints filed with NHTSA name the power train on the 2020 Buick Encore GX — 24% of all complaints for this model year.
What owners report
“Transmission would not connect with the engine. La Fontaine dealership in Saint Clair. Said I need a new transmission cost $14,000. It has 59823 miles under the vehicle.”
filed Jun 21, 2026
“I am writing to formally report a serious mechanical failure involving my vehicle and to request further review and assistance. While operating my vehicle, it unexpectedly stalled in the middle of an intersection, creating a significant safety hazard. At the time of the incident, the check engine…”
filed Mar 24, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Power Train problems in other Encore GX years
| Year | Reports | Share |
|---|---|---|
| 2024 Encore GX | 3 | 11% |
| 2023 Encore GX | 3 | 13% |
| 2022 Encore GX | 12 | 41% |
| 2021 Encore GX | 10 | 20% |
Other reported problem areas on the 2020 Buick Encore GX
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.