2018 GMC Terrain — Problems & Complaints
NHTSA has 224 owner complaints on file for this vehicle. Every report below was filed by a real owner with the US government's road-safety agency.
GMC Terrain — Complaints by Model Year
Years flagged AVOID have at least twice this model's average complaint count — the strongest public-data signal of a bad year.
397 complaints
370 complaints
369 complaints
302 complaints
316 complaints
152 complaints
135 complaints
224 complaints
186 complaints
197 complaints
36 complaints
88 complaints
40 complaints
52 complaints
13 complaints
What Owners Complain About Most
Recent Owner Reports
Faulty Brake Vacuum Pump triggered my brake to get stuck while I was driving ended on the side of the express way to avoid traffic and prevent a crash.
I got my car out of the shop a week ago for my brakes the car was in the shop for a month and this past weekend my car is doing the same exact thing a week later I was on I 75 also hit a semi truck
The contact owns a 2018 GMC Terrain. The contact stated while driving 40-45 MPH, the vehicle started coasting and stopped unintendedly. The contact stated that the vehicle drove for a while and then coasted and stopped. The message that the “Engine Power Reduced” was displayed. The contact stated that the brake system warning light was also illuminated. The vehicle was towed t…
This complaint is for the rear camera / back up camera system: After purchasing the vehicle the back up camera started to get hazy around 25,000 miles. At 35,000 miles it was completely useless. I purchased a second back up camera and had the body shop install it. It has now been right at the same mileage, 30,000 miles, and the camera is again hazy. This is not an ext…
The strike plate on my rear driver door fell off. The plate and bolts are in perfect condition but the backing is gone. Multiple body shops have attempted to locate the backing, which is somewhere between the interior and exterior metal body pieces, and gave been unable to. Every body shop I've taken it to also says that they have never seen anything like this happen before. T…
Recalls & Crash Tests
Complaints are one half of the picture — see the official recalls and NHTSA crash-test stars for the 2018 GMC Terrain, or check your exact car by VIN with the free VIN lookup.
Problems Checker
Any year, make and model: open the Car Problems Checker. Data: NHTSA (US DOT, public domain), cached up to 7 days.