Used 2018 GMC Terrain Consumer Reviews
Used Terrain for sale
30,000km - Rust, Electrical Failure, etc -AVOID!
Reka, 03/24/2020
2018 GMC Terrain SLT 4dr SUV (1.5L 4cyl Turbo 9A)
7 of 8 people found this review helpful
Got a lemon. It had rust within 1 year of driving it, which needed to be repaired over wheel wells (probably elsewhere too but I just can't see it). Has a serious electrical issue that power cuts to vehicle completely for a second or two when trying to come out of autostop and then several error messages regarding steering, brakes, traction - which tells me those components probably temporarily lost power as well. Tried to fix it no less than 5 times - replaced fuse block, replaced steering gear, fixed a bunch of plugs etc etc... problem still won't go away. Went for a drive on a typical winter day, a wheel well panel shifted back towards the front passenger door, which then buckled when the door opened (warranty won't fix that one). Been talking to GM head office for FIVE MONTHS. I call them constantly. They are doing absolutely nothing. Offered to trade in at GMC they are giving me rock bottom offer "because the vehicle has issues" - and yet its only halfway through warranty. Worst experience ever. Do NOT spend this kind of money on this piece of garbage and such awful customer service. Apparently this is built to their factory standard.
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Terrain surprisingly fuel efficient
Kwu, 09/15/2018
2018 GMC Terrain SLE 4dr SUV (1.5L 4cyl Turbo 9A)
7 of 8 people found this review helpful
I bought the SLE and had leather installed by my dealer, so glad I did, gives it a more luxurious feel. Most of my driving is on roads that avg between 40 and 55 mph and my Terrain is getting about 33 mpg, really surprised. It handles well and as a everyday driver is efficient and in my opinion much nicer than my previous Escape. Overall very pleased and hope to enjoy this vehicle for many more miles. However, I will say the My GMC app sucks and doesn't work very well, but that's not the vehicles fault, the app is just not reliable.
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2018 GMC Terrain for sale near you
Showing 3 of 51 listings
- SLE 4dr SUVMSRP: $17,9989 mi away
- SLE 4dr SUVMSRP: $19,99011 mi away
- Denali 4dr SUVMSRP: $22,99011 mi away
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New ride for mom!
Greg, 12/16/2017
2018 GMC Terrain SLE 4dr SUV AWD (1.5L 4cyl Turbo 9A)
14 of 18 people found this review helpful
Ive spent the last 6 months helping my mom replace her 07 grand prix with 210k miles. She still has it but needed something newer thats awd and wont be in the shop alot. We've been a gm family. She has my old rendezvous and i have an avalanche and a 2012 lacrosse. After looking at the new Crv and rav 4 she was going to lease a 2017 equinox but i told her how it was the last model year and the "new car" was actually dated almost 8 years. Thankfully she listened and waited. The new equinoxes had arrived but on the same lot were the new gmcs which we both thought looked better. I'd never let her buy a new car especially one just redesigned so leasing it was a good choice. My only complain is the lag when switching into awd and teaching her when to turn it on and off. If it holds up well the next 3 years i might buy it out and let her get the refreshed denali that'll come out by then
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My third GMC
Tony in Florida, 02/13/2019
2018 GMC Terrain Denali 4dr SUV (2.0L 4cyl Turbo 9A)
9 of 11 people found this review helpful
Don't be fooled by the experts giving you the "high price" bit. I found the Terrain Denali quite affordable especially with the options that are offered. Many are not available on the foreign SUV's. The 2L turbo engine has more than enough power for quick takeoffs or merging onto interstates. Be careful, this car will actually "lay rubber." Transmission is smooth, you can seldom feel when it shifts. The vented leather seats are great for the hot summer days of Florida. Safety is fantastic with the blind spot mirrors, collision indicator, and the back-up camera. My wife (5 feet tall) would much rather drive the Terrain because of the ease of the automatic parking and the memory seats and power lift-gate. I plan on replacing this vehicle with another GMC Terrain. It's a lot of SUV for the money. I've had this SUV for six months now, and have about 5000 trouble free miles on it.
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My 2018 Denali
STGCRET, 10/18/2020
updated 10/19/2023
2018 GMC Terrain Denali 4dr SUV (2.0L 4cyl Turbo 9A)
4 of 4 people found this review helpful
I purchased my Terrain in May 2020. Vehicle only had 10,800 miles on the odometer. I had never heard of a Terrain. When my better half and I took it for a test drive, we were shocked! I thought I was in a rocket, thanks to the 2.0 Turbo. The Terrain gets up to speed very quickly. Easy access (especially for us oldies of 69 and 66). Laying down the back seats takes one finger and is the easiest I've ever seen. Ride is very agile and quick to respond to drivers input. I have mostly used the Sirius Radio selection and love it. The only complaint we bought have the way the seat bolster is bothersome when getting in and out of the vehicle. The Owners Manual is very onerous to get through (took me 4 days and 8 cigars sitting on my Patio).
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