Table 1 shows five common engine and engine cooling related problems of the 2018 GMC Terrain. The number one most common problem is related to the engine and engine cooling (47 problems). The second most common problem is related to the engine noise (one problem).
| Problem Category | Number of Problems |
|---|---|
| Engine And Engine Cooling problems | |
| Engine Noise problems | |
| Engine Shut Off Without Warning problems | |
| Service Engine Light On problems | |
| Engine Oil Leaking problems |
The contact owns a 2018 GMC Terrain denali. The contact stated while the contact's daughter was driving, the brake pedal was depressed, however the vehicle failed to stop as intended. In addition, the contact stated that the brake pedal was unusually hard when depressed. Read details...
My vehicle is stalling and stuttering while trying to accelerate. It also does the same when decelerating. The truck will jerk and stutter. Also making noise like a vacuum cleaner while this is going on. I just purchased this vehicle in September 2018 and it has been going on since November 2018 Read details...
The new auto stop that shuts off the motor when you're at a red light doesn't work properly. Sometimes it shuts off, but most of the time it doesn't been to the dealer two times and the radio will not come on at times even though gm has performed updates on these problems. The problems still exist Read details...