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

Used GMC Cars for Sale in O'fallon, MO

Filters (2)
Items 1 to 2 of 16.
    Sponsored by O'Fallon Buick GMC
    Hide
    High Demand
    Used 2018 GMC Yukon XL Denali w/ Open Road Package
    31,599
    Great Price
    Dealer Fees Included
    O'Fallon Buick GMC
    (636) 385-5436
    Call
    Dealer Logo
    106View Vehicles

    944 Matches

    Used 2026 GMC Terrain Elevation
    Used

    2026 GMC Terrain

    • Elevation
    • 20K mi
    29,300
    No Accidents
    Sponsored by Jim Butler Chevrolet
    • 22.58 mi. away
    • Online Paperwork
    • Delivery
    Call
    Price Drop
    Used 2022 GMC Sierra 1500 Elevation w/ Elevation Premium Package
    Used

    2022 GMC Sierra 1500

    • Elevation
    • 92K mi
    36,421
    Good Price
    Dealer Fees Included
    No Accidents
    Sponsored by Clement Supercenter
    • 9.4 mi. away
    Call
    Used 2022 GMC Terrain Denali

    2022 GMC Terrain

    • Denali
    • 30K mi
    28,742
    Good Price
    Dealer Fees Included
    No Accidents
    Sponsored by Lou Fusz Ford
    • 8.19 mi. away
    • Online Paperwork
    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
    360°
    Used 2023 GMC Yukon Denali w/ Denali Reserve Package
    Used

    2023 GMC Yukon

    • Denali
    • 43K mi Mileage Value
    60,478
    Great Price
    Dealer Fees Included
    No Accidents
    BMW of West St. Louis
    • 15.67 mi. away
    Call
    Price Drop
    Used 2026 GMC Sierra 1500 Denali w/ Denali Reserve Package
    Used

    2026 GMC Sierra 1500

    • Denali
    • 2K mi
    62,499
    Great Price
    Dealer Fees Included
    No Accidents
    O'Fallon Buick GMC
    • 1.48 mi. away
    • Online Paperwork
    Call
    New 2026 GMC Terrain AT4
    Consider Buying New

    2026 GMC Terrain

    • AT4
    • 7 mi
    39,328
    LAURA BUICK GMC
    • Online Paperwork
    • Buy Online
    • Delivery
    Call
    Advertisement
    360°
    Used 2020 GMC Sierra 1500 Elevation w/ Elevation Value Package
    Used

    2020 GMC Sierra 1500

    • Elevation
    • 52K mi
    33,930
    Good Price
    Dealer Fees Included
    No Accidents
    BMW of West St. Louis
    • 15.67 mi. away
    Call
    Sponsored
    Item 1 of 4.
    Used 2024 GMC Sierra 1500 Elevation
    Used

    2024 GMC Sierra 1500

    • Elevation
    • 34K mi
    44,506
    Good Price
    Dealer Fees Included
    No Accidents
    Call
    360°
    Used 2024 GMC Yukon Denali Ultimate
    Used

    2024 GMC Yukon

    • Denali Ultimate
    • 21K mi
    75,138
    Great Price
    Dealer Fees Included
    No Accidents
    BMW of West St. Louis
    • 15.67 mi. away
    Call
    Price Drop
    Used 2024 GMC Canyon Denali
    Used

    2024 GMC Canyon

    • Denali
    • 26K mi
    42,245
    Great Price
    Dealer Fees Included
    No Accidents
    Napleton's Mid Rivers Chrysler Dodge Jeep RAM FIAT
    • 7.8 mi. away
    Call
    Used 2026 GMC Sierra 1500 Denali
    Used

    2026 GMC Sierra 1500

    • Denali
    • 6K mi
    63,199
    Great Price
    Dealer Fees Included
    No Accidents
    O'Fallon Buick GMC
    • 1.48 mi. away
    • Online Paperwork
    Call
    Advertisement
    360°
    Used 2024 GMC Hummer EV 2X
    Used

    2024 GMC Hummer EV

    • 2X
    • 21K mi
    Electric
    60,478
    Good Price
    Dealer Fees Included
    Great EV Battery
    No Accidents
    BMW of West St. Louis
    • 15.67 mi. away
    Call
    Used 2026 GMC Terrain Denali
    Used

    2026 GMC Terrain

    • Denali
    • 8K mi
    40,099
    Good Price
    Dealer Fees Included
    No Accidents
    O'Fallon Buick GMC
    • 1.48 mi. away
    • Online Paperwork
    Call
    Price Drop
    360°
    Used 2019 GMC Acadia SLT
    Used

    2019 GMC Acadia

    • SLT
    • 83K mi
    19,758
    Dealer Fees Included
    Suntrup Nissan
    • 26.03 mi. away
    Call
    Newly Listed
    Used 2024 GMC Terrain SLE
    Used

    2024 GMC Terrain

    • SLE
    • 7K mi
    25,629
    Great Price
    Dealer Fees Included
    No Accidents
    Lou Fusz Buick GMC
    • 17.66 mi. away
    Call
    Advertisement
    Newly Listed
    Used 2017 GMC Yukon XL Denali w/ Open Road Package
    Used

    2017 GMC Yukon XL

    • Denali
    • 76K mi
    29,814
    Great Price
    Dealer Fees Included
    Lou Fusz Buick GMC
    • 17.66 mi. away
    Call
    Used 2022 GMC Sierra 2500 SLT
    Used

    2022 GMC Sierra 2500

    • SLT
    • 53K mi
    53,900
    Great Price
    Dealer Fees Included
    Bommarito Ford Superstore
    • 19.27 mi. away
    • Online Paperwork
    • Delivery
    Call
    High Demand
    Used 2018 GMC Yukon XL Denali w/ Open Road Package
    Used

    2018 GMC Yukon XL

    • Denali
    • 80K mi
    31,599
    Great Price
    Dealer Fees Included
    No Accidents
    O'Fallon Buick GMC
    • 1.48 mi. away
    • Online Paperwork
    Call
    Used 2022 GMC Sierra 1500 AT4X
    Used

    2022 GMC Sierra 1500

    • AT4X
    • 54K mi Mileage Value
    49,099
    Great Price
    Dealer Fees Included
    No Accidents
    O'Fallon Buick GMC
    • 1.48 mi. away
    • Online Paperwork
    Call
    Price Drop
    Used 2022 GMC Canyon Elevation
    Used

    2022 GMC Canyon

    • Elevation
    • 25K mi
    32,730
    Great Price
    Dealer Fees Included
    No Accidents
    Clement Ford
    • 6.69 mi. away
    Call
    Price Drop
    Used 2015 GMC Acadia SLE
    Used

    2015 GMC Acadia

    • SLE
    • 130K mi
    9,617
    Dealer Fees Included
    No Accidents
    Lou Fusz Chevrolet
    • 6.79 mi. away
    Call
    Newly Listed
    Used 2024 GMC Terrain SLE w/ Driver Convenience Package
    Used

    2024 GMC Terrain

    • SLE
    • 34K mi
    23,839
    Great Price
    Dealer Fees Included
    No Accidents
    Lou Fusz Chevrolet
    • 6.79 mi. away
    Call
    360°
    Used 2023 GMC Sierra 1500 AT4X
    Used

    2023 GMC Sierra 1500

    • AT4X
    • 58K mi
    53,452
    Great Price
    Dealer Fees Included
    No Accidents
    BMW of West St. Louis
    • 15.67 mi. away
    Call
    Used 2017 GMC Terrain Denali
    Used

    2017 GMC Terrain

    • Denali
    • 113K mi Mileage Value
    12,599
    Good Price
    Dealer Fees Included
    No Accidents
    O'Fallon Buick GMC
    • 1.48 mi. away
    • Online Paperwork
    Call
    Used 2022 GMC Canyon Elevation w/ Elevation Premium Package
    Used

    2022 GMC Canyon

    • Elevation
    • 55K mi
    32,099
    Good Price
    Dealer Fees Included
    No Accidents
    O'Fallon Buick GMC
    • 1.48 mi. away
    • Online Paperwork
    Call
    Price Drop
    Used 2022 GMC Terrain SLE w/ Driver Convenience Package
    Used

    2022 GMC Terrain

    • SLE
    • 25K mi
    21,796
    Great Price
    Dealer Fees Included
    No Accidents
    Bommarito West County
    • 13.62 mi. away
    • Online Paperwork
    Call
    Price Drop
    Used 2025 GMC Sierra 1500 Denali Ultimate
    Used

    2025 GMC Sierra 1500

    • Denali Ultimate
    • 21K mi
    64,499
    Great Price
    Dealer Fees Included
    No Accidents
    O'Fallon Buick GMC
    • 1.48 mi. away
    • Online Paperwork
    Call
    Price Drop
    Used 2023 GMC Terrain SLT
    Used

    2023 GMC Terrain

    • SLT
    • 44K mi
    23,453
    Great Price
    Dealer Fees Included
    No Accidents
    Clement Ford
    • 6.69 mi. away
    Call
    Advertisement

    Used GMC for Sale by Model

    View All Models
    <!--{"relevance":[true,{"relevanceVersion":"relevance-v5"}],"cypress_e2e":[false,{}],"cypressE2e":[false,{}]}-->