2021 GMC Acadia electrical system problems
39 complaints about electrical system have been filed for the 2021 GMC Acadia, which is 17% of all its NHTSA complaints. It is the most reported problem area for this model year.
At a glance
- Complaints
- 39 17% of this year's complaints
- Crashes and fires
- 4 and 0
- Injuries and deaths
- 2 and 0
Source: NHTSA owner complaints
What the data shows
These complaints mention 4 crashes, 2 injuries.
What owners wrote
The contact owns a 2021 GMC Acadia. The contact stated that while driving at 30 MPH, traffic stopped abruptly, and the brake pedal was depressed to the floorboard; however, the vehicle continued to accelerate while the Forward Collision Avoidance warning feature activated with a red warning light on the instrument panel. The contact attempted to steer off the road to avoid a collision; however, the vehicle crashed into the vehicle ahead, resulting in a three-vehicle collision.
Odometer Fraud. The contact purchased a 2021 GMC Acadia. The contact discovered a mileage discrepancy after the purchase. The vehicle was a dealer sale. At the time of purchase, the mileage was approximately 29,000. The contact attempted to trade in the vehicle, and the purchasing dealer checked the VIN and retrieved a Carfax Report. The Carfax Report indicated that the mileage on the Title on 11/04/2024 was 58,000; however, on 02/04/2025, the mileage was 28,000, and the vehicle had been in an accident in the past.
Other problems reported for the 2021 GMC Acadia
- Engine 32 complaints
- Fuel system 30 complaints
- Brakes 19 complaints
- Steering 17 complaints
- Drivetrain & axles 16 complaints