2021 GMC Terrain — Problems & Complaints
NHTSA has 36 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.
302 complaints
316 complaints
152 complaints
135 complaints
224 complaints
186 complaints
197 complaints
36 complaints
88 complaints
40 complaints
52 complaints
13 complaints
0 complaints
What Owners Complain About Most
Recent Owner Reports
I dropped my son off at school and he mistakenly took my car keys into school with him, and somehow I was able to drive all the way home, 4.5 miles, with no key in the car and no warning to stating the remote wasn't in the car. The issue with this is if I'd driven further, perhaps to another state, or even driven somewhere at night, I would have been stranded once I turned the…
The contact owns a 2021 GMC Terrain. The contact received notification of NHTSA Campaign Number: 23V339000 (Child Seat); however, the part to do the recall repair was unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The dealer was contacted and informed the contact that the vehicle would not be inspected or r…
Recently I have noticed that the back brakes squeak and sound like they are grinding when backing up. Also every now and then the information screen will go black for a while then turn back on could be a few seconds or several minutes. 23,900 on car
When accelerating from a stop between 35-45 mph the steering wheel shakes and you feel a vibration coming from the front wheels. I thought the wheels were loose and were about to come off.
I have had my check engine light come on for P0299. I've lost power while on the road. Had my turbo replaced and now the same issue is starting again. I'm afraid of my car stalling out again with my child in the car. This is a definite safety issue especially since this is happening again months after getting the new turbo put in.
Recalls & Crash Tests
Complaints are one half of the picture — see the official recalls and NHTSA crash-test stars for the 2021 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.