CoPilot AI-Assisted Car Shopping

 New Search
 Save
 Sort
 Share

Used 2018 GMC Terrain for Sale in Saint Louis, MO

Terrains for Sale at Dealers

Filters
Price
Year
Mileage
Trim
2018 GMC Terrain Denali FWD photo
1
Price Drop
2018 GMC Terrain Denali FWD St. Louis, MO
Black 2.0L I4 Engine
$19,785 68.6k miles
•••

#1 2016-2020 GMC Terrain

CoPilot AI: It’s anA+” Buy

  • $210 Price Drop
  • Great Price - $1,705 Below Market
  • Includes $1,870 Premium Upgrades
More details
2018 GMC Terrain SLT AWD photo
2
Price Drop
2018 GMC Terrain SLT AWD Chesterfield, MO
Gray 1.5L I4 Engine
$16,299 76k miles
•••

#2 2016-2020 GMC Terrain

CoPilot AI: It’s anA+” Buy

  • $595 Price Drop
  • Great Price - $1,064 Below Market
  • Includes $1,941 Premium Upgrades
More details
2019 GMC Terrain SLT FWD photo
3
Price Drop
2019 GMC Terrain SLT FWD St. Louis, MO
White 2.0L I4 Engine
$13,248 130.2k miles
•••

#3 2016-2020 GMC Terrain

CoPilot AI: It’s anA+” Buy

  • $652 Price Drop
  • Great Price - $2,641 Below Market
  • Includes $2,780 Premium Upgrades
More details
2017 GMC Terrain SLE FWD photo
4
Price Drop
2017 GMC Terrain SLE FWD O'Fallon, IL
Red 2.4L I4 Engine
$10,719 122.9k miles
•••

#4 2016-2020 GMC Terrain

CoPilot AI: It’s anA+” Buy

  • Great Price - $1,965 Below Market
  • Includes $1,413 Premium Upgrades
  • CARFAX: Clean Title
More details
2019 GMC Terrain SLT FWD photo
5
2019 GMC Terrain SLT FWD St Peters, MO
Gray 1.5L I4 Engine
$18,899 58k miles
•••

#5 2016-2020 GMC Terrain

CoPilot AI: It’s anA+” Buy

  • Great Price - $2,613 Below Market
  • Includes $425 Premium Upgrades
  • CARFAX: Clean Title, Not a rental or commercial vehicle
More details
2019 GMC Terrain SLE AWD photo
6
Price Drop
2019 GMC Terrain SLE AWD Belleville, IL
Gray 1.5L I4 Engine
$14,618 103.1k miles
•••

#6 2016-2020 GMC Terrain

CoPilot AI: It’s anA+” Buy

  • $183 Price Drop
  • Great Price - $1,632 Below Market
  • Includes $919 Premium Upgrades
More details
2019 GMC Terrain Denali FWD photo
7
2019 GMC Terrain Denali FWD Ellisville, MO
Silver 2.0L I4 Engine
$20,044 65k miles
•••

#7 2016-2020 GMC Terrain

CoPilot AI: It’s anA+” Buy

  • Good Price - $1,005 Below Market
  • Includes $1,352 Premium Upgrades
  • CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
More details
2017 GMC Terrain SLE FWD photo
8
2017 GMC Terrain SLE FWD Springfield, IL
White 2.4L I4 Engine
$8,995 102k miles
•••

#8 2016-2020 GMC Terrain

CoPilot AI: It’s anA” Buy

  • Great Price - $2,319 Below Market
  • CARFAX: Clean Title, Not a rental or commercial vehicle
  • Average Mileage
More details
2018 GMC Terrain SLE FWD photo
9
Price Drop
2018 GMC Terrain SLE FWD St. Louis, MO
Black 1.5L I4 Engine
$12,401 114.9k miles
•••

#9 2016-2020 GMC Terrain

CoPilot AI: It’s anA” Buy

  • $499 Price Drop
  • Great Price - $1,056 Below Market
  • CARFAX: Clean Title
More details
2018 GMC Terrain Denali AWD photo
10
Price Drop
2018 GMC Terrain Denali AWD Wood River, IL
Black 2.0L I4 Engine
$25,000 21.2k miles
•••

#10 2016-2020 GMC Terrain

CoPilot AI: It’s anA” Buy

  • $495 Price Drop
  • Fair Price - $73 Below Market
  • Includes $1,579 Premium Upgrades
More details
2019 GMC Terrain SLE AWD photo
11
Price Drop
2019 GMC Terrain SLE AWD O'Fallon, IL
White 1.5L I4 Engine
$19,590 69.8k miles
•••

#11 2016-2020 GMC Terrain

CoPilot AI: It’s anA” Buy

  • $265 Price Drop
  • Fair Price - $403 Above Market
  • Includes $2,054 Premium Upgrades
More details
2020 GMC Terrain SLT FWD photo
12
Price Drop
2020 GMC Terrain SLT FWD Wood River, IL
White 1.5L I4 Engine
$18,000 59.4k miles
•••

#12 2016-2020 GMC Terrain

CoPilot AI: It’s anA-” Buy

  • $1,495 Price Drop
  • Good Price - $631 Below Market
  • CARFAX: One Owner, Clean Title
More details
2018 GMC Terrain SLE FWD photo
13
Price Drop
2018 GMC Terrain SLE FWD St Peters, MO
Black 1.5L I4 Engine
$16,703 40.5k miles
•••

#13 2016-2020 GMC Terrain

CoPilot AI: It’s anA-” Buy

  • $257 Price Drop
  • Good Price - $570 Below Market
  • CARFAX: Clean Title, Not a rental or commercial vehicle
More details
2017 GMC Terrain SLE AWD photo
14
Price Drop
2017 GMC Terrain SLE AWD Springfield, IL
White 2.4L I4 Engine
$9,999 130.3k miles
•••

#14 2016-2020 GMC Terrain

CoPilot AI: It’s anA-” Buy

  • $1,000 Price Drop
  • Good Price - $416 Below Market
  • Includes $705 Premium Upgrades
More details
2018 GMC Terrain SLE Diesel FWD photo
15
2018 GMC Terrain SLE Diesel FWD Springfield, IL
Black 1.6L I4 Engine
$9,595 124.5k miles
•••

#15 2016-2020 GMC Terrain

CoPilot AI: It’s aB+” Buy

  • Great Price - $4,043 Below Market
  • CARFAX: Clean Title, Not a rental or commercial vehicle
More details
2017 GMC Terrain SLT FWD photo
16
Price Drop
2017 GMC Terrain SLT FWD O'Fallon, IL
White 2.4L I4 Engine
$9,995 116.5k miles
•••

#16 2016-2020 GMC Terrain

CoPilot AI: It’s aB+” Buy

  • Great Price - $2,806 Below Market
  • Includes $2,234 Premium Upgrades
  • CARFAX: Clean Title, Not a rental or commercial vehicle
More details
2020 GMC Terrain Denali AWD photo
17
2020 GMC Terrain Denali AWD Springfield, IL
Gray 2.0L I4 Engine
$22,695 40.7k miles
•••

#17 2016-2020 GMC Terrain

CoPilot AI: It’s aB+” Buy

  • Great Price - $2,798 Below Market
  • Includes $1,683 Premium Upgrades
  • CARFAX: Clean Title, Not a rental or commercial vehicle
More details
2020 GMC Terrain SLT FWD photo
18
Price Drop
2020 GMC Terrain SLT FWD Germantown, IL
White 1.5L I4 Engine
$19,980 62.4k miles
•••

#18 2016-2020 GMC Terrain

CoPilot AI: It’s aB+” Buy

  • $1,810 Price Drop
  • Great Price - $2,367 Below Market
  • Includes $3,175 Premium Upgrades
More details
2020 GMC Terrain SLT FWD photo
19
2020 GMC Terrain SLT FWD St. Louis, MO
Gray 1.5L I4 Engine
$16,000 107.9k miles
•••

#19 2016-2020 GMC Terrain

CoPilot AI: It’s aB+” Buy

  • Great Price - $2,223 Below Market
  • Includes $1,831 Premium Upgrades
  • CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
More details
2020 GMC Terrain SLT FWD photo
20
2020 GMC Terrain SLT FWD Marion, IL
Black 1.5L I4 Engine
$15,000 129.3k miles
•••

#20 2016-2020 GMC Terrain

CoPilot AI: It’s aB+” Buy

  • Great Price - $1,974 Below Market
  • Includes $1,588 Premium Upgrades
  • CARFAX: Clean Title
More details
2020 GMC Terrain SLT FWD photo
21
Price Drop
2020 GMC Terrain SLT FWD Linn, MO
White 2.0L I4 Engine
$16,731 111.1k miles
•••

#21 2016-2020 GMC Terrain

CoPilot AI: It’s aB+” Buy

  • $624 Price Drop
  • Great Price - $1,868 Below Market
  • Includes $2,432 Premium Upgrades
More details
2018 GMC Terrain Denali FWD photo
22
Price Drop
2018 GMC Terrain Denali FWD Belleville, IL
White 2.0L I4 Engine
$18,997 69.3k miles
•••

#22 2016-2020 GMC Terrain

CoPilot AI: It’s aB+” Buy

  • $1 Price Drop
  • Great Price - $1,792 Below Market
  • Includes $1,865 Premium Upgrades
More details
2020 GMC Terrain SLT FWD photo
23
2020 GMC Terrain SLT FWD O'Fallon, IL
Red 1.5L I4 Engine
$19,000 83.1k miles
•••

#23 2016-2020 GMC Terrain

CoPilot AI: It’s aB+” Buy

  • Fair Price - $426 Below Market
  • Includes $1,387 Premium Upgrades
  • CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
More details
2020 GMC Terrain SLE FWD photo
24
Price Drop
2020 GMC Terrain SLE FWD St Peters, MO
White 1.5L I4 Engine
$17,500 77.1k miles
•••

#24 2016-2020 GMC Terrain

CoPilot AI: It’s aB+” Buy

  • $490 Price Drop
  • Fair Price - $17 Below Market
  • Includes $1,332 Premium Upgrades
More details
2020 GMC Terrain SLT FWD photo
25
Price Drop
2020 GMC Terrain SLT FWD Herculaneum, MO
Red 1.5L I4 Engine
$17,573 103.9k miles
•••

#25 2016-2020 GMC Terrain

CoPilot AI: It’s aB” Buy

  • $168 Price Drop
  • Fair Price - $442 Below Market
  • Includes $1,742 Premium Upgrades
More details
1-25 of 79 results

2018 GMC Terrain

Compact Crossover
Seats
5
Fuel Economy
28City MPG
39Hwy MPG
NHTSA Rating Summary
Copilot Rating
Dimensions

© 2025 CoPilot. All Rights Reserved.