2021 GMC Acadia problems and complaints
Owners have filed 152 complaints with NHTSA about the 2021 GMC Acadia. The most-reported areas: Electrical System (38), Engine (29), Fuel/Propulsion System (26).
Key takeaways
- 152 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 | 25% |
| Engine | 29 | 19% |
| Fuel/Propulsion System | 26 | 17% |
| Unknown Or Other | 21 | 14% |
| Service Brakes | 18 | 12% |
| Steering | 17 | 11% |
| Power Train | 17 | 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.
Unknown Or Other,fuel/Propulsion System - filed 2026-10-15
exhaust flex pipe is cracked. Causes fumes of gas to be released through the crack. inspected by GMC Repair shop Vibrating noise started, then a few days later the smell of gas, and now yes the Engine light is on. This has been on going for about 3 weeks.
Steering - filed 2026-10-13
My 2021 GMC Acadia steering wheel dangerously stiffened while I was turning off the road into a busy shopping parking lot making it difficult to continue my turn. Having to put on my brakes sharply as to not collide with the out going traffic. There was no warning prior to the incident and had to make a quick safety ju...
Fuel/Propulsion System - filed 2026-10-05
My 2021 GMC Acadia that has 63,768 miles on it was idling Wednesday 9/30 when it died and would not start back we had to have it towed to a shop to get it checked out and it was throwing the P023F code for the fuel pump control module that has a recall bulletin for the same thing make model problem and under their 80,0...
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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.