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Used Cars for SaleGMCTerrain

Used GMC Terrain for Sale in O Fallon, MO

63366

|Filters (3)

Purchase Online(2)

GMC Certified Pre-Owned(17)

2018 and newer(123)

AWD/4WD(75)

Blue(7)

Front Wheel Drive(63)

2023 and older(86)

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GMC

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Terrain

Acadia (170)

Caballero (1)

Canyon (50)

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G1500

G2500

G3500

Hummer EV (4)

Jimmy (1)

Other GMC Models

S15 Jimmy

S15 Pickup

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Savana 1500

Savana 2500 (11)

Savana 3500

Savana 4500

Sierra 1500 (352)

Sierra 2500 (115)

Sierra 3500 (40)

Sierra EV

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Suburban

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Terrain (138)

TopKick C4500

TopKick C5500

Typhoon

Yukon (113)

Yukon XL (60)

Terrain Trims

Any

AT4 (5)

Denali (20)

Elevation (5)

LT

SL

SLE (43)

SLT (65)

Mileage

Condition (1 selected)

New (326)

Used (138)

Manufacturer Certified (17)

Third-Party Certified (2)

Certified Program

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Exterior Color

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Body Style

Vehicle History

Features

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Fuel Economy

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Number of Seats

Number of Doors

Best Deals

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Sponsored by O'Fallon Buick GMC

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Price Drop360°

Used 2017 GMC Terrain SLE

Used 2017 GMC Terrain SLE

13,900

O'Fallon Buick GMC

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138 Matches

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Newly Listed

Used 2024 GMC Terrain SLE

Used

2024 GMC Terrain

SLE
29K mi

23,950

Sponsored by Bommarito Ford Superstore

18.91 mi. away

Online Paperwork
Delivery

Used 2020 GMC Terrain Denali w/ Denali Premium Package

Used

2020 GMC Terrain

Denali
107K mi

18,498

See payment

Good Price

Sponsored by Bommarito St. Peters

7.65 mi. away

Certified 2025 GMC Terrain Elevation w/ Elevation Premium Package

CarBravo Certified

2025 GMC Terrain

Elevation
4K mi

32,124

Sponsored by Sapaugh GM Country

42.3 mi. away

Online Paperwork

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Based on 4.5% APR for mos.Update Settings

Price Drop

Used 2024 GMC Terrain SLE

Used

2024 GMC Terrain

SLE
7K mi

24,958

See payment

Great Price

Lou Fusz Chevrolet

5.65 mi. away

Price Drop

Used 2022 GMC Terrain SLE

Used

2022 GMC Terrain

SLE
23K mi

23,600

See payment

Good Price

Ed Napleton Honda St Peters

6.32 mi. away

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New 2026 GMC Terrain AT4 w/ Convenience Package III

Consider New, Similar Payment

2026 GMC Terrain

AT4
7 mi

41,844

LAURA BUICK GMC

38.98 mi. away

Online Paperwork
Delivery

Price Drop

Used 2017 GMC Terrain SLE

Used

2017 GMC Terrain

SLE
73K mi

13,900

O'Fallon Buick GMC

4.76 mi. away

Online Paperwork

Item 1 of 10.

Do you want

Adaptive Cruise Control?

Automatically adjusts your speed to maintain a safe distance from the car ahead.

Do you want

Backup Camera?

See behind your vehicle while reversing with a live video feed to avoid obstacles.

Do you want

Bluetooth, Hands-Free?

Make and receive calls safely through your car's audio system without touching your phone.

Do you want

Cross Traffic Alert?

Warns you of approaching vehicles from the sides when backing out of a parking spot.

Do you want

Keyless Start?

Start your car with the push of a button while the key fob stays in your pocket or bag.

Do you want

Lane Departure Warning?

Alerts you if your car begins to drift out of its lane without signaling.

Do you want

Premium Audio?

Enjoy high-quality sound with advanced speakers for a better listening experience.

Do you want

Remote Engine Start?

Start your car from a distance to preheat or cool the cabin before you get in.

Do you want

Security System?

Alerts you with a loud alarm if someone tries to break into your vehicle.

Do you want

WiFi Hotspot?

Keep passengers connected with in-car internet powered by a paid data plan.

Price Drop

Used 2023 GMC Terrain SLE w/ Elevation Edition

Used

2023 GMC Terrain

SLE
15K mi

23,500

Good Price

Bommarito West County

16.78 mi. away

Online Paperwork

Sponsored

Used 2024 GMC Terrain SLE

Used

2024 GMC Terrain

SLE
73K mi

20,540

360°

Used 2022 GMC Terrain SLT

Used

2022 GMC Terrain

SLT
32K mi

23,795

Great Price

Suntrup KIA South

28.55 mi. away

Online Paperwork

Used 2023 GMC Terrain AT4

Used

2023 GMC Terrain

AT4
53K mi

23,295

Great Price

Jim Trenary Chevrolet

6.43 mi. away

Online Paperwork

Used 2019 GMC Terrain Denali w/ Advanced Safety Package

Used

2019 GMC Terrain

Denali
69K mi

18,988

Great Price

Volvo Cars West County

18.43 mi. away

Online Paperwork

Newly Listed

Used 2023 GMC Terrain Denali w/ LPO, Floor Liner Package

Used

2023 GMC Terrain

Denali
33K mi

29,981

See payment

Good Price

Lou Fusz Chevrolet

5.65 mi. away

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Used 2022 GMC Terrain SLE

Used

2022 GMC Terrain

SLE
14K mi

23,594

See payment

Good Price

Bommarito St. Peters

7.65 mi. away

Price Drop

Used 2020 GMC Terrain Denali w/ Denali Premium Package

Used

2020 GMC Terrain

Denali
21K mi

26,237

See payment

Great Price

Lou Fusz Buick GMC

18.61 mi. away

Price Drop

Used 2022 GMC Terrain SLT

Used

2022 GMC Terrain

SLT
74K mi

18,994

See payment

Great Price

Napleton's Mid Rivers KIA

6.84 mi. away

Used 2023 GMC Terrain SLE w/ Driver Convenience Package

Used

2023 GMC Terrain

SLE
18K mi

22,998

Good Price

Jerry Ackerman

26.59 mi. away

Online Paperwork

Price Drop

Used 2022 GMC Terrain SLT

Used

2022 GMC Terrain

SLT
39K mi

21,000

See payment

Great Price

Schicker Chrysler Dodge Jeep Ram

24.01 mi. away

Price Drop

Used 2023 GMC Terrain SLE w/ Driver Convenience Package

Used

2023 GMC Terrain

SLE
72K mi

19,994

See payment

Good Price

Suntrup Buick GMC

7.51 mi. away

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Used 2022 GMC Terrain SLT w/ Tech Package

Used

2022 GMC Terrain

SLT
23K mi

26,919

See payment

Poage Chevrolet

8.06 mi. away

Used 2024 GMC Terrain SLT w/ Infotainment Package II

Used

2024 GMC Terrain

SLT
1K mi

32,990

See payment

Poage Chevrolet

8.06 mi. away

Used 2023 GMC Terrain SLT

Used

2023 GMC Terrain

SLT
48K mi

21,928

Good Price

Lou Fusz Chrysler Jeep Dodge RAM

4.72 mi. away

Online Paperwork

360°

Used 2024 GMC Terrain Denali w/ Denali Premium Package

Used

2024 GMC Terrain

Denali
27K mi

30,865

Great Price

Suntrup Nissan

28.32 mi. away

Online Paperwork

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Used 2018 GMC Terrain SLE

Used

2018 GMC Terrain

SLE
85K mi

14,940

See payment

Johnny Londoff Autoplex

2.97 mi. away

Price Drop

Used 2024 GMC Terrain SLT

Used

2024 GMC Terrain

SLT
44K mi

21,450

Great Price

Bommarito Ford Superstore

18.91 mi. away

Online Paperwork
Delivery

Used 2016 GMC Terrain SLT w/ Open Road Package

Used

2016 GMC Terrain

SLT
104K mi

11,350

See payment

AutoNation USA St. Louis

5.85 mi. away

Used 2020 GMC Terrain SLT w/ Preferred Package

Used

2020 GMC Terrain

SLT
38K mi

18,899

See payment

Great Price

Auffenberg Auto Mall

43.39 mi. away

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