Autotrader Logo
Skip to vehicle Listings
Your next car is just a chat away. Try AI Mode

Used 2026 GMC Terrain for Sale in O Fallon, MO

Filters (4)
Items 1 to 2 of 4.
    Sponsored by O'Fallon Buick GMC
    Hide
    Price Drop
    Used 2026 GMC Terrain Denali
    37,599
    Great Price
    Dealer Fees Included
    O'Fallon Buick GMC
    (636) 385-5436
    Call
    Dealer Logo
    View Vehicles

    22 Matches

    Used 2026 GMC Terrain Elevation
    Used

    2026 GMC Terrain

    • Elevation
    • 11K mi
    29,913
    No Accidents
    Sponsored by Jim Butler KIA
    • 10.91 mi. away
    • Delivery
    Call
    Price Drop
    Used 2026 GMC Terrain Denali
    Used

    2026 GMC Terrain

    • Denali
    • 8K mi
    37,599
    Great Price
    Dealer Fees Included
    No Accidents
    Sponsored by O'Fallon Buick GMC
    • 4.76 mi. away
    • Online Paperwork
    Call
    Used 2026 GMC Terrain Elevation
    Used

    2026 GMC Terrain

    • Elevation
    • 12K mi
    29,669
    Sponsored by Jim Butler KIA
    • 10.91 mi. away
    • Delivery
    Call
    My Wallet

    Find it Fast.

    Keep it Affordable.

    Credit Rating
    Trade-In Value
    Get My Kelley Blue Book® CarValue
    Get My Payoff Quote

    $

    Based on 4.5% APR for mos.
    Price Drop
    Used 2026 GMC Terrain Denali
    Used

    2026 GMC Terrain

    • Denali
    • 8K mi
    37,599
    Great Price
    Dealer Fees Included
    No Accidents
    O'Fallon Buick GMC
    • 4.76 mi. away
    • Online Paperwork
    Call
    Used 2026 GMC Terrain Elevation w/ Elevation Premium Package
    Used

    2026 GMC Terrain

    • Elevation
    • 8K mi
    30,620
    Good Price
    Dealer Fees Included
    No Accidents
    Bommarito Nissan Ballwin
    • 17.9 mi. away
    • Online Paperwork
    • Delivery
    Call
    Used 2026 GMC Terrain Elevation
    Used

    2026 GMC Terrain

    • Elevation
    • 3K mi
    32,619
    Great Price
    Dealer Fees Included
    No Accidents
    AutoCenters Nissan
    • 41.95 mi. away
    Call
    Advertisement
    Price Drop
    Used 2026 GMC Terrain Elevation
    Used

    2026 GMC Terrain

    • Elevation
    • 9K mi
    28,000
    No Accidents
    Jim Butler Chevrolet
    • 25.44 mi. away
    • Online Paperwork
    • Delivery
    Call
    Sponsored
    Item 1 of 4.
    Used 2026 GMC Terrain Elevation
    10 day used car exchange policy!
    Used

    2026 GMC Terrain

    • Elevation
    • 26K mi
    29,100
    No Accidents
    Call
    360°
    Used 2026 GMC Terrain Elevation
    Used

    2026 GMC Terrain

    • Elevation
    • 31K mi
    27,631
    Good Price
    Dealer Fees Included
    No Accidents
    Don Brown Chevrolet
    • 27.71 mi. away
    Call
    360°
    Used 2026 GMC Terrain Elevation
    Used

    2026 GMC Terrain

    • Elevation
    • 31K mi
    27,645
    Good Price
    Dealer Fees Included
    No Accidents
    Don Brown Chevrolet
    • 27.71 mi. away
    Call
    Used 2026 GMC Terrain Elevation
    Used

    2026 GMC Terrain

    • Elevation
    • 11K mi
    27,500
    No Accidents
    Jim Butler Chevrolet
    • 25.44 mi. away
    • Online Paperwork
    • Delivery
    Call
    Advertisement
    Used 2026 GMC Terrain Elevation
    Used

    2026 GMC Terrain

    • Elevation
    • 12K mi
    29,669
    Jim Butler KIA
    • 10.91 mi. away
    • Delivery
    Call
    Used 2026 GMC Terrain Elevation
    Used

    2026 GMC Terrain

    • Elevation
    • 11K mi
    29,913
    No Accidents
    Jim Butler KIA
    • 10.91 mi. away
    • Delivery
    Call
    Used 2026 GMC Terrain Elevation
    Used

    2026 GMC Terrain

    • Elevation
    • 26K mi
    29,100
    No Accidents
    Jim Butler Chevrolet
    • 25.44 mi. away
    • Online Paperwork
    • Delivery
    Call
    Used 2026 GMC Terrain Elevation
    Used

    2026 GMC Terrain

    • Elevation
    • 21K mi
    29,300
    No Accidents
    Jim Butler Chevrolet
    • 25.44 mi. away
    • Online Paperwork
    • Delivery
    Call
    Advertisement
    Used 2026 GMC Terrain Elevation w/ Black Edition
    Used

    2026 GMC Terrain

    • Elevation
    • 3K mi
    30,621
    Dealer Fees Included
    No Accidents
    Clement Chrysler Dodge Jeep Ram Florissant
    • 21.78 mi. away
    Call
    Used 2026 GMC Terrain Elevation w/ Elevation Premium Package
    Used

    2026 GMC Terrain

    • Elevation
    • 32K mi
    31,774
    No Accidents
    Jack Schmitt Chevrolet of O'Fallon
    • 44.59 mi. away
    Call
    Used 2026 GMC Terrain Elevation w/ Elevation Premium Package
    Used

    2026 GMC Terrain

    • Elevation
    • 19K mi
    32,855
    No Accidents
    Jack Schmitt Chevrolet of O'Fallon
    • 44.59 mi. away
    Call
    360°
    Used 2026 GMC Terrain Denali
    Used

    2026 GMC Terrain

    • Denali
    • 15K mi
    39,999
    No Additional Dealer Fees
    No Accidents
    Suntrup Buick GMC
    • 7.51 mi. away
    Call
    Newly Listed
    No Image Available
    Used

    2026 GMC Terrain

    • Elevation
    • 27K mi
    29,362
    No Accidents
    Quality Buick GMC Cadillac
    • 30.54 mi. away
    Call
    Newly Listed
    Used 2026 GMC Terrain Elevation w/ Elevation Premium Package
    Used

    2026 GMC Terrain

    • Elevation
    • 17K mi
    31,659
    Dealer Fees Included
    No Accidents
    Rusty Drewing Chevrolet GMC Cadillac
    • Delivery
    Call
    Newly Listed
    Used 2026 GMC Terrain AT4 w/ Technology Package II
    Used

    2026 GMC Terrain

    • AT4
    • 1K mi
    38,299
    Great Price
    Dealer Fees Included
    No Accidents
    Dealer
    • 18.42 mi. away
    • Online Paperwork
    Call
    Certified 2026 GMC Terrain AT4 w/ Technology Package II

    2026 GMC Terrain

    • AT4
    • 16K mi
    36,846
    Great Price
    Dealer Fees Included
    No Accidents
    Sapaugh GM Country
    • 42.3 mi. away
    Call
    Newly Listed
    No Image Available
    Used

    2026 GMC Terrain

    • Elevation
    • 38K mi
    28,362
    No Accidents
    Dealer
    • 29.68 mi. away
    Call
    Used 2026 GMC Terrain Elevation

    2026 GMC Terrain

    • Elevation
    • 28K mi
    28,012
    No Accidents
    Dealer
    • 31.3 mi. away
    Call
    Certified 2026 GMC Terrain Elevation

    2026 GMC Terrain

    • Elevation
    • 22K mi
    28,387
    No Accidents
    Dealer
    • 24.86 mi. away
    Call
    You have reached the maximum results allowed for a search. Please update your search criteria.
    Advertisement
    <!--{"relevance":[true,{"relevanceVersion":"relevance-v5"}],"cypress_e2e":[false,{}],"cypressE2e":[false,{}]}-->