2020 GMC Acadia power train problems
21 owner complaints filed with NHTSA name the power train on the 2020 GMC Acadia — 22% of all complaints for this model year.
What owners report
“I believe my car should be included in this recall. I've had the dealer check and they say it's nothing wrong with my car. 2020 GMC Acadia Fuel Pump Recall GMC has announced that 2781 vehicles have been affected by a Fuel Pump recall. General Motors LLC (GM) is recalling certain 2020 Buick Enclave…”
filed Jun 26, 2026
“Thermostat and cooling sensor went out on my car. GMC issued a special coverage bulletin for 2021 Acadia since it's a widespread issue but not the 2020 (mine) which is also a widespread issue looking online. The repair is over $1000 and should be covered!”
filed Jun 22, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- Start/stop accumulator endcap may have missing boltsCampaign 20V668000 · Oct 29, 2020
Power Train problems in other Acadia years
| Year | Reports | Share |
|---|---|---|
| 2025 Acadia | 4 | 7% |
| 2024 Acadia | 7 | 13% |
| 2023 Acadia | 12 | 31% |
| 2022 Acadia | 4 | 9% |
| 2021 Acadia | 17 | 12% |
| 2019 Acadia | 152 | 40% |
| 2018 Acadia | 162 | 42% |
| 2017 Acadia | 234 | 33% |
| 2016 Acadia | 20 | 9% |
| 2015 Acadia | 17 | 7% |
| 2014 Acadia | 34 | 7% |
| 2013 Acadia | 27 | 20% |
Other reported problem areas on the 2020 GMC Acadia
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.