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Used GMC Terrain for Sale in

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O Fallon, MO
Value: 75 miles
Min: 75 milesMax: 75 miles
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Find a Used GMC Terrain in O Fallon, MO

TrueCar has 42 used GMC Terrain models for sale in O Fallon, MO, including a GMC Terrain SLT FWD and a GMC Terrain AT4 AWD. Prices for a used GMC Terrain in O Fallon, MO currently range from $2,999 to $75,000, with vehicle mileage ranging from 6 to 219,000. If you wish to buy your used GMC Terrain online, TrueCar has 16 models available to buy from home, allowing you to purchase your GMC Terrain remotely and have it delivered directly to your residence in the O Fallon, MO area. If you prefer to purchase your GMC Terrain from a dealership near O Fallon, MO, our TrueCar Certified Dealers have 26 used GMC Terrain listings available to shop from locally.

Nationwide GMC Terrain Listings by Year

GMC Terrain Owner Reviews

3rd Generation GMC Terrain

2025 - Present
All reviews
5.010 out of 10
Performance
5.0
Comfort
4.0
Fuel Efficiency
4.0
Safety Technology
5.0
Features
5.0
Performance
5.0
Comfort
4.0
Fuel Efficiency
4.0
Safety Technology
5.0
Features
5.0
pros
almost everything especially how the seat fold down flat, the extra storage above spare tire
cons
The complexity of the touchscreen. Ex; syncing with android phone,navigating and trying to change radio, etc
Submitted by Stephen B on --- --- ----|2023 GMC Terrain SLE FWD|Purchased on --- --- ----
5.010 out of 10
Performance
4.0
Comfort
5.0
Fuel Efficiency
5.0
Safety Technology
5.0
Features
4.0
pros
Nice looking vechile
cons
Could use more powerful engine
Submitted by Anonymous Author on --- --- ----|2023 GMC Terrain Denali AWD|Purchased on --- --- ----
5.010 out of 10
Performance
5.0
Comfort
5.0
Fuel Efficiency
5.0
Safety Technology
5.0
Features
5.0
pros
I like the option of having the front passenger seat being able to adjust in 6 different areas. Big selling point for me.
cons
haven't found anything yet
Submitted by Carol J on --- --- ----|2022 GMC Terrain SLT AWD|Purchased on --- --- ----