2020 GMC Acadia problems and complaints
Owners have filed 104 complaints with NHTSA about the 2020 GMC Acadia. The most-reported areas: Engine (28), Electrical System (28), Power Train (22).
Key takeaways
- 104 owner complaints on file with NHTSA.
- 4 involve a crash, 0 a fire, 2 reported injuries.
- Complaints are unverified owner reports; recalls are confirmed defects.
| Component | Complaints | Share |
|---|---|---|
| Engine | 28 | 27% |
| Electrical System | 28 | 27% |
| Power Train | 22 | 21% |
| Steering | 18 | 17% |
| Unknown Or Other | 14 | 13% |
| Fuel/Propulsion System | 9 | 9% |
| Service Brakes | 8 | 8% |
| Forward Collision Avoidance | 8 | 8% |
| Vehicle Speed Control | 4 | 4% |
| Back Over Prevention | 3 | 3% |
| Seat Belts | 3 | 3% |
| Visibility/Wiper | 3 | 3% |
One complaint can name several components, so shares add up to more than 100%.
| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| 2020 GMC Acadia SUV FWD | 5/5 | 5/5 | 5/5 | 4/5 |
| 2020 GMC Acadia SUV AWD | 5/5 | 5/5 | 5/5 | 4/5 |
Latest complaints, as filed
Owner-written and unverified by NHTSA.
Engine - filed 2026-09-21
Engine thermostat not functioning properly, opening too early and not allowing engine to operate at proper engine temperature. Check engine light comes on, reduce power steering assist error message comes on, engine temperature gauge reads cold when vehicle has been running for an extended period of time. This is a kno...
Power Train,engine - filed 2026-09-21
2020 GMC Acadia bucks/hesitates when I take off or slow down and speed back up. Mechanic looked at it can see engine is having random misfires. We have tried plugs, transmission fluid, looked at everything we could think of. The condition improves if I put into AWD but still exists and worsens for a period of tim...
Back Over Prevention - filed 2026-09-21
The rear camera does not operate 100% of the time. This has happened multiple times over the year.
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More for the 2020 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.