2018 GMC Terrain brakes problems
84 complaints about brakes have been filed for the 2018 GMC Terrain, which is 25% of all its NHTSA complaints. It is the most reported problem area for this model year.
At a glance
- Complaints
- 84 25% of this year's complaints
- Typical mileage
- 59,000 miles 28 complaints with mileage
- Crashes and fires
- 2 and 0
- Injuries and deaths
- 1 and 0
Source: NHTSA owner complaints
When brakes problems show up
View the numbers
| Mileage | Complaints |
|---|---|
| 0k to 20k miles | 6 |
| 20k to 40k miles | 4 |
| 40k to 60k miles | 4 |
| 60k to 80k miles | 4 |
| 80k to 100k miles | 4 |
| 100k to 120k miles | 2 |
| 120k to 140k miles | 2 |
| 140k to 160k miles | 0 |
| 160k to 180k miles | 0 |
| 180k to 200k miles | 1 |
| 200k+ miles | 1 |
What the data shows
Of the 28 brakes complaints that report mileage, the median is about 59,000 miles, and 50% were reported before 60,000 miles.
These complaints mention 2 crashes, 1 injury.
What owners wrote
When trying to brake, brake pedal became extremely hard to push and Repair brake assist notification and check engine light came on
The contact owns a 2018 GMC Terrain. The contact stated that while driving 20 MPH, the brake pedal was firm and the "Service Brake Assist" message was displayed on the instrument panel. The contact used excessive force to depress the brake pedal while stopping the vehicle. The vehicle was driven to the destination and parked. The dealer was notified of the failure and informed the contact that the vehicle was not included in a vacuum pump recall. The vehicle was not diagnosed or repaired.
Other problems reported for the 2018 GMC Terrain
- Engine 56 complaints
- Drivetrain & axles 42 complaints
- Electrical system 35 complaints
- Fuel system 16 complaints