2018 GMC Terrain fuel system problems
16 complaints about fuel system have been filed for the 2018 GMC Terrain, which is 5% of all its NHTSA complaints.
At a glance
- Complaints
- 16 5% of this year's complaints
- Crashes and fires
- 2 and 0
- Injuries and deaths
- 2 and 0
Source: NHTSA owner complaints
What the data shows
These complaints mention 2 crashes, 2 injuries.
What owners wrote
My husband and son were involved in an almost fatal accident on 07/08/23 in our 2018 Terrain. My husband described that the vehicle spontaneously veered to the right uncontrollably, he was unable to steer to correct the vehicle, unable to brake, they went airborne, hit several poles and a transformer, rolled and flipped several times. All the airbags deployed.After the accident, I found a recall notice from back in 2017, I believe, regarding the drive train. My husband was extricated from the vehicle.
Leaking diesel fuel line while running, parked and in gear. Second diesel terrain fleet vehicle to leak fuel; other colleague had the same issue recently and was asked if someone cut the fuel line. Now, mine is leaking.
Other problems reported for the 2018 GMC Terrain
- Brakes 84 complaints
- Engine 56 complaints
- Drivetrain & axles 42 complaints
- Electrical system 35 complaints