Table 1 shows two common service brakes related problems of the 2021 GMC Acadia. The number one most common problem is related to the service brakes (15 problems). The second most common problem is related to the brake disc pads (one problem).
| Problem Category | Number of Problems |
|---|---|
| Service Brakes problems | |
| Brake Disc Pads problems |
On March 27, 2026, I experienced a complete brake failure while driving a 2021 GMC Acadia in a school zone at approximately 3:00 pm. When I pressed the brake pedal, the vehicle did not respond. I attempted multiple times, including using the emergency brake, which did not activate immediately. Read details...
Breaks make loud noises when cold. Oem pads and rotors. New with 8k of miles Read details...