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Used 2026 GMC Terrain for Sale in O'fallon, MO

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Items 1 to 2 of 4.
    Sponsored by O'Fallon Buick GMC
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    Used 2025 GMC Terrain Elevation
    27,599
    Good Price
    Dealer Fees Included
    Similar Match
    O'Fallon Buick GMC
    (636) 385-5436
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    22 Matches

    Used 2026 GMC Terrain Elevation w/ Elevation Premium Package
    Used

    2026 GMC Terrain

    • Elevation
    • 12K mi
    29,454
    Good Price
    Dealer Fees Included
    No Accidents
    Sponsored by Jim Trenary of Union
    • 25.91 mi. away
    • Online Paperwork
    Call
    Used 2026 GMC Terrain Elevation
    Used

    2026 GMC Terrain

    • Elevation
    • 12K mi
    28,306
    Sponsored by Jim Butler KIA
    • 7.98 mi. away
    • Delivery
    Call
    Price Drop
    Used 2026 GMC Terrain Denali w/ LPO, Black Badging Package
    Used

    2026 GMC Terrain

    • Denali
    • 3K mi
    39,596
    Good Price
    Dealer Fees Included
    No Accidents
    Sponsored by Bommarito West County
    • 13.62 mi. away
    • Online Paperwork
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    Based on 4.5% APR for mos.
    Used 2026 GMC Terrain Elevation w/ Elevation Premium Package
    Used

    2026 GMC Terrain

    • Elevation
    • 12K mi
    29,454
    Good Price
    Dealer Fees Included
    No Accidents
    Jim Trenary of Union
    • 25.91 mi. away
    • Online Paperwork
    Call
    Price Drop
    Used 2026 GMC Terrain Denali w/ LPO, Black Badging Package
    Used

    2026 GMC Terrain

    • Denali
    • 3K mi
    39,596
    Good Price
    Dealer Fees Included
    No Accidents
    Bommarito West County
    • 13.62 mi. away
    • Online Paperwork
    Call
    360°
    Used 2026 GMC Terrain Denali
    Used

    2026 GMC Terrain

    • Denali
    • 15K mi
    38,000
    Good Price
    No Additional Dealer Fees
    No Accidents
    Suntrup Buick GMC
    • 8.41 mi. away
    Call
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    Used 2026 GMC Terrain Elevation
    Used

    2026 GMC Terrain

    • Elevation
    • 31K mi
    26,711
    Good Price
    Dealer Fees Included
    No Accidents
    Don Brown Chevrolet
    • 26.38 mi. away
    Call
    360°
    Used 2026 GMC Terrain Elevation
    Used

    2026 GMC Terrain

    • Elevation
    • 31K mi
    26,725
    Good Price
    Dealer Fees Included
    No Accidents
    Don Brown Chevrolet
    • 26.38 mi. away
    Call
    Sponsored
    Item 1 of 4.
    Used 2026 GMC Terrain Elevation w/ Elevation Premium Package
    MUST SEE QUALITY PRE OWNED VEHICLE!
    Used

    2026 GMC Terrain

    • Elevation
    • 27K mi
    28,854
    No Accidents
    Call
    Used 2026 GMC Terrain Elevation
    Used

    2026 GMC Terrain

    • Elevation
    • 11K mi
    28,176
    No Accidents
    Jim Butler KIA
    • 7.98 mi. away
    • Delivery
    Call
    Used 2026 GMC Terrain Elevation
    Used

    2026 GMC Terrain

    • Elevation
    • 12K mi
    28,306
    Jim Butler KIA
    • 7.98 mi. away
    • Delivery
    Call
    Newly Listed
    Used 2026 GMC Terrain Denali
    Used

    2026 GMC Terrain

    • Denali
    • 7K mi
    39,264
    Good Price
    Dealer Fees Included
    No Accidents
    Rusty Drewing Chevrolet GMC Cadillac
    • Delivery
    Call
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    Used 2026 GMC Terrain Elevation
    Used

    2026 GMC Terrain

    • Elevation
    • 37K mi
    26,518
    Dealer Fees Included
    No Accidents
    Dave Sinclair Buick GMC
    • 25.56 mi. away
    • Online Paperwork
    • Delivery
    Call
    Used 2026 GMC Terrain Elevation
    Used

    2026 GMC Terrain

    • Elevation
    • 31K mi
    28,800
    No Accidents
    Jim Butler Chevrolet
    • 22.58 mi. away
    • Online Paperwork
    • Delivery
    Call
    Used 2026 GMC Terrain Elevation w/ Elevation Premium Package
    Used

    2026 GMC Terrain

    • Elevation
    • 27K mi
    28,854
    No Accidents
    Quality Buick GMC Cadillac
    • 32.07 mi. away
    Call
    Used 2026 GMC Terrain Elevation w/ Elevation Premium Package
    Used

    2026 GMC Terrain

    • Elevation
    • 34K mi
    31,799
    Dealer Fees Included
    No Accidents
    Bommarito St. Peters
    • 8.52 mi. away
    Call
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    Used

    2026 GMC Terrain

    • Elevation
    • 9K mi
    30,701
    Good Price
    No Additional Dealer Fees
    No Accidents
    Suntrup Buick GMC
    • 8.41 mi. away
    Call
    Price Drop
    Used 2026 GMC Terrain Elevation w/ Black Edition
    Used

    2026 GMC Terrain

    • Elevation
    • 3K mi
    30,121
    Good Price
    Dealer Fees Included
    No Accidents
    Clement Chrysler Dodge Jeep Ram Florissant
    • 22.38 mi. away
    Call
    No Image Available
    Used

    2026 GMC Terrain

    • Elevation
    • 42K mi
    26,593
    Dealer Fees Included
    No Accidents
    Bommarito St. Peters
    • 8.52 mi. away
    Call
    Used 2026 GMC Terrain Elevation w/ Elevation Premium Package
    Used

    2026 GMC Terrain

    • Elevation
    • 19K mi
    29,998
    No Accidents
    Jack Schmitt Chevrolet of O'Fallon
    • 43.77 mi. away
    Call
    Newly Listed
    Used 2026 GMC Terrain Elevation
    Used

    2026 GMC Terrain

    • Elevation
    • 1K mi
    29,899
    Great Price
    Dealer Fees Included
    No Accidents
    Behlmann Chrysler Dodge Jeep Ram
    • 21.18 mi. away
    Call
    Used 2026 GMC Terrain Elevation w/ Elevation Premium Package
    Used

    2026 GMC Terrain

    • Elevation
    • 38K mi
    28,354
    No Accidents
    Quality Chrysler Dodge Jeep Ram of Jerseyville
    • 32.71 mi. away
    Call
    Certified 2026 GMC Terrain AT4 w/ Technology Package II

    2026 GMC Terrain

    • AT4
    • 16K mi
    34,762
    Great Price
    Dealer Fees Included
    No Accidents
    Sapaugh GM Country
    • 38.95 mi. away
    Call
    Used 2026 GMC Terrain Elevation w/ Elevation Premium Package
    Used

    2026 GMC Terrain

    • Elevation
    • 31K mi
    28,795
    No Accidents
    Dealer
    • 7.35 mi. away
    Call
    Used 2026 GMC Terrain Elevation

    2026 GMC Terrain

    • Elevation
    • 28K mi
    26,812
    No Accidents
    Dealer
    • 31.25 mi. away
    Call
    Certified 2026 GMC Terrain Elevation

    2026 GMC Terrain

    • Elevation
    • 22K mi
    27,637
    No Accidents
    Dealer
    • 21.97 mi. away
    Call
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