2021 GMC Acadia problems and complaints
Owners have filed 149 complaints with NHTSA about the 2021 GMC Acadia. The most-reported areas: Electrical System (38), Engine (29), Fuel/Propulsion System (24).
Key takeaways
- 149 owner complaints on file with NHTSA.
- 7 involve a crash, 0 a fire, 3 reported injuries.
- Complaints are unverified owner reports; recalls are confirmed defects.
| Component | Complaints | Share |
|---|---|---|
| Electrical System | 38 | 26% |
| Engine | 29 | 19% |
| Fuel/Propulsion System | 24 | 16% |
| Unknown Or Other | 20 | 13% |
| Service Brakes | 18 | 12% |
| Power Train | 17 | 11% |
| Steering | 16 | 11% |
| Air Bags | 9 | 6% |
| Vehicle Speed Control | 7 | 5% |
| Back Over Prevention | 7 | 5% |
| Forward Collision Avoidance | 6 | 4% |
| Lane Departure | 4 | 3% |
One complaint can name several components, so shares add up to more than 100%.
| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| 2021 GMC Acadia SUV AWD | 5/5 | 5/5 | 5/5 | 4/5 |
| 2021 GMC Acadia SUV FWD | 5/5 | 5/5 | 5/5 | 4/5 |
Latest complaints, as filed
Owner-written and unverified by NHTSA.
Electrical System,fuel/Propulsion System - filed 2026-09-14
While driving home from work the car displayed a "No Fuel" warning, despite having a full tank of gas. Within seconds of the display showing the car stalled out and stopped right in the middle of the road. It would not go into neutral and I had to be towed from the middle of the road to a mechanic close by. Upon readin...
Air Bags - filed 2026-09-10
On 9/08/2026 I was driving and almost got a wreck but I was able to get out and was going less the 25 and lost control of the vehicle and barely hit the curb and the two air bags went off and I was sent to the hospital
Service Brakes - filed 2026-08-25
While driving the brake vacuum pump exploded leading to catastrophic brake failure. My husband was driving and was able to stand on the brakes to get the car to stop, but had i been driving, I am not strong enough to have stopped the car. I have 3 children with my youngest being 1. If this had happened with me and my k...
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More for the 2021 GMC Acadia
Complaints are reports filed by owners with the National Highway Traffic Safety Administration. NHTSA publishes them without verifying them, and counts rise with how many cars were sold, so compare years of the same model rather than different models. Crash ratings are NHTSA's own 5-Star Safety Ratings results.