2020 Buick Encore GX power train problems
18 owner complaints filed with NHTSA name the power train on the 2020 Buick Encore GX — 26% of all complaints for this model year.
What owners report
“While reversing, the vehicle suddenly jumped/jerked unexpectedly. Another vehicle was parked close behind me, and I was afraid my vehicle was going to jump into it because the movement was sudden and difficult to control. On another occasion, while traveling approximately 20 mph through a longer…”
filed Sep 8, 2026
“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
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 | 10% |
| 2023 Encore GX | 3 | 12% |
| 2022 Encore GX | 13 | 41% |
| 2021 Encore GX | 11 | 21% |
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.