2021 GMC Acadia Transmission & Powertrain Problems
NHTSA lists 17 Transmission & Powertrain complaints for the 2021 GMC Acadia, 11% of its 149 total complaints. No related recall exists. Median mileage at failure was 4,063 miles, with no fires and one crash reported.
- Transmission & Powertrain complaints
- 17
- 11% of 149
- Crashes reported
- 1
- Fires reported
- 0
- Injuries reported
- 0
- Median mileage
- 4,063 mi
- Related recalls
- 0
Typical transmission symptoms owners report
- Vehicle unexpectedly loses power or decelerates hard while driving at highway speed, with erratic speed changes.
- Engine RPMs surge abnormally while stopped or braking, sometimes with a hard, jerking transmission shift.
- Vehicle shudders or shakes between 30 and 60 mph, sometimes followed by stalling and difficulty restarting.
- Vehicle hesitates or fails to accelerate with rising RPMs but no forward power, followed by a warning message and check engine light.
- Transmission slips during acceleration and drops into neutral with a transmission warning, then refuses to restart until it sits for a while.
- Vehicle judders or stutters when pulling away from a stop, with no warning lights or diagnostic codes found.
When 2021 GMC Acadia transmission complaints were filed
First complaint Apr 23, 2021, latest May 12, 2026.
Transmission & Powertrain recalls for the 2021 GMC Acadia
No safety recalls on record for this model year.
Transmission & Powertrain complaints by Acadia model year
Raw complaint counts per model year; newer years have had less time to accumulate complaints.
Frequently asked questions
- How many transmission complaints does the 2021 GMC Acadia have?
- NHTSA lists 17 Transmission & Powertrain complaints for the 2021 Acadia, which is 11% of the 149 total complaints filed for that model year.
- Is there a transmission recall for the 2021 GMC Acadia?
- No. The data shows no related recalls listed for the 2021 Acadia's Transmission & Powertrain complaints.
- At what mileage do 2021 Acadia transmission problems start?
- The median mileage at failure among reported cases is 4,063 miles, indicating many issues surfaced very early in ownership.
- Did the 2021 Acadia transmission issues cause any crashes or fires?
- NHTSA data shows 1 crash and 0 fires and 0 injuries linked to these complaints.
- How does the 2021 Acadia compare to other years for transmission complaints?
- The 2021 Acadia's 11% share is lower than years like 2018 (41%) and 2019 (40%), which had far higher shares of transmission complaints.