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2018 GMC Terrain consumer reviews

$24,995 starting MSRP
side view of 2018 Terrain GMC
87% of drivers recommend this car
Rating breakdown (out of 5):
  • Comfort 4.6
  • Interior 4.6
  • Performance 4.5
  • Value 4.4
  • Exterior 4.7
  • Reliability 4.5
Explore the 2018 GMC Terrain
Shop the 2018 GMC Terrain

Gas and diesel terrain

I have owned 5 of the 2018-19 terrains. I have had the 1.5 gas, 2.0 gas and the 1.6 diesel. The power on the 2.0 is awesome. Mileage on the 1.5 is good. Mileage on the 1.6 diesel is great. I have 336,000 miles on my diesel. It has had lots of issues due to emissions and transmissions. Last week it got a new engine as well. The car is a great car but I would recommend the 1.5 gas for most people. The terrain is comfortable and makes a great work or travel vehicle. Size is easy to park with plenty of leg room.


Find other models. This car is crap and always has

This car has not had a proper working radio from the day of purchase. They have replicated the issue. Changed out radio and other things to still not work properly. Issues with screen freez and not everything on screen working properly. When I take it in they always say the problem is not a warranty issue when I only had about 28k miles on car.


Radio and Navigational system dead before 30,000!

My 2018 Terrain has been having radio issues before I even had 30,000 miles on it. It would start when it wanted, go days without working then start up while driving. Was told that I needed a new one, but it started that day, the navigation went before then, now at near 40,000 miles it hasn’t worked in about 2 months. What’s the deal GMC?


Buy the extended warranty

Replaced engine control module. Air intake cracked. get a car wash lol radio goes black and all the dingers go on like it lmost seems like the engine going to blow it spits and sputters. Love the way it looks inside and out but its a lemon. Buy the extra warranty better yet dont buy the 2018


My GMC Terrain saved my life.

Great savings on gas and mileage, very reliable and comfortable. Saved my life when I was in a big rig truck accident as driver side and front side bags deployed. I've become a GMC customer for life as I will be looking forward to buying another GMC SUV.



Issues with the brakes main internal vacuum pump. 2nd time this has happened to me. Don't have no brakes, have to press very hard to even stop. Undrivable!Unrivaled!! Dangerous


We love this automobile.

This is a higher trim model with the bigger 4 cylinder engine (2.0 vs. 1.5) most of the options including Bose sound system. We love our pick and the only reason I gave 4 stars to comfort is the ride. Granted it rides nice, but you only get 5 stars from heavier sedans. Trucks and SUV's just aren't designed for that really smooth ride. Definitely would recommend the 2.0L engine if you tend to pass on a 2 lane road or need to pull out quick in traffic.


What I don't like it has a stiff ride and my start

Has a bad odor between hot and cold on the heater air leak front passenger and driver side window stiff ride start-stop does not work


reduced engine power 3 winters in row

I bought a 2018 terrain 1.5 Turbo, experiencing reduced engine power issues at cold temperature 3 winters in a row. Lots of parts have been changed under warranty each time it was diagnosed. The vehicle has clocked only 30 k, already 5 times to dealer for repair(estimating $5000 total parts/labor- got this total from the dealer). my warranty is almost done. scared to drive the next winter with no warranty. GM is saying they are working on the issue. I know I would get zero support after my warranty as no one will care about it(dealer/gm). the dealer is suggesting me to buy extended warranty for $3300 with $100 deductible for 3 more years or they are encouraging for trade in to get away from that car where I would have paid $12000 more at the end of new mortgage for similar vehicle. By both means I am the one who is going to loose . This has been very stressful and no piece of mind even after owning a new car.


Best choice

I love my car thus far. It included every feature plus a couple extras that I was looking for. Of all the cars I’d driven my Terrain Denali was the best choice for me.