2008 GMC Acadia engine problems
124 owner complaints filed with NHTSA name the engine on the 2008 GMC Acadia — 15% of all complaints for this model year.
What owners report
“The car would not shift causing me to pull over on the side of a highway to restart the car this happened 5 times in a row b4 the car would shift into proper gear”
filed Mar 14, 2026
“The traction control turns on and then the shifts don’t work and I can’t drive since there is no speed also the rpm and the gas the speed and the battery gages start flickering up and down then I turn off the truck and it continues to work fine but after 40 miles or so it does it all again”
filed Oct 8, 2024
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Engine problems in other Acadia years
| Year | Reports | Share |
|---|---|---|
| 2025 Acadia | 5 | 8% |
| 2024 Acadia | 9 | 16% |
| 2023 Acadia | 11 | 28% |
| 2022 Acadia | 14 | 30% |
| 2021 Acadia | 29 | 20% |
| 2020 Acadia | 24 | 25% |
| 2019 Acadia | 49 | 13% |
| 2018 Acadia | 32 | 8% |
| 2017 Acadia | 61 | 9% |
| 2016 Acadia | 12 | 5% |
| 2015 Acadia | 17 | 7% |
| 2014 Acadia | 45 | 10% |
Other reported problem areas on the 2008 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.