2018 GMC Acadia power train problems
163 owner complaints filed with NHTSA name the power train on the 2018 GMC Acadia — 41% of all complaints for this model year.
What owners report
“The contact owns a 2018 GMC Acadia. The contact stated that while parking the vehicle, the gear shifter was shifted into park(P); however, the message “Shift to Park” was displayed. The gear shifter was moved back and forth, then shifted into park (P) before the proper gear was recognized. The…”
filed Aug 10, 2026
“The contact owns a 2018 GMC Acadia. The contact stated that after parking and then attempting to turn off the vehicle, the message " Shift to Park" was displayed. The contact stated that the vehicle was able to be parked and turned off successfully after various attempts, which included restarting…”
filed Jul 21, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- Right front intermediate driveshaft may fracture and separate while drivingCampaign 17V516000 · Aug 22, 2017
Power Train problems in other Acadia years
| Year | Reports | Share |
|---|---|---|
| 2025 Acadia | 4 | 6% |
| 2024 Acadia | 7 | 12% |
| 2023 Acadia | 12 | 28% |
| 2022 Acadia | 4 | 8% |
| 2021 Acadia | 17 | 11% |
| 2020 Acadia | 21 | 21% |
| 2019 Acadia | 153 | 40% |
| 2017 Acadia | 235 | 33% |
| 2016 Acadia | 21 | 9% |
| 2015 Acadia | 18 | 7% |
| 2014 Acadia | 34 | 7% |
| 2013 Acadia | 27 | 20% |
Other reported problem areas on the 2018 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.