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Used Buick Cars for Sale in O'fallon, MO

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Items 1 to 2 of 10.
    Sponsored by O'Fallon Buick GMC
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    Used 2012 Buick Verano
    9,599
    Dealer Fees Included
    O'Fallon Buick GMC
    (636) 385-5436
    Call
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    88View Vehicles

    374 Matches

    Price Drop
    Used 2023 Buick Encore GX Select w/ Safety Package II
    Used

    2023 Buick Encore GX

    • Select
    • 97K mi
    17,579
    Good Price
    Dealer Fees Included
    No Accidents
    Sponsored by Spirit Lexus
    • 18.02 mi. away
    Call
    Used 2024 Buick Enclave Essence
    Used

    2024 Buick Enclave

    • Essence
    • 45K mi
    29,311
    Good Price
    Dealer Fees Included
    No Accidents
    Sponsored by Auffenberg Auto Mall
    • 42.59 mi. away
    Call
    Price Drop
    Used 2025 Buick Enclave Preferred
    Used

    2025 Buick Enclave

    • Preferred
    • 34K mi
    30,218
    Great Price
    Dealer Fees Included
    No Accidents
    Sponsored by EchoPark - St. Louis
    • 6.23 mi. away
    Call
    My Wallet

    Find it Fast.

    Keep it Affordable.

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    $

    Based on 4.5% APR for mos.
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    Used 2026 Buick Envista Sport Touring
    Used

    2026 Buick Envista

    • Sport Touring
    • 131 mi
    29,099
    Great Price
    Dealer Fees Included
    No Accidents
    O'Fallon Buick GMC
    • 1.48 mi. away
    • Online Paperwork
    Call
    Newly Listed
    Used 2023 Buick Enclave Essence
    Used

    2023 Buick Enclave

    • Essence
    • 34K mi
    29,599
    Great Price
    Dealer Fees Included
    No Accidents
    O'Fallon Buick GMC
    • 1.48 mi. away
    • Online Paperwork
    Call
    Used 2026 Buick Encore GX Sport Touring
    Used

    2026 Buick Encore GX

    • Sport Touring
    • 9K mi
    24,260
    Great Price
    Dealer Fees Included
    No Accidents
    Lou Fusz Chrysler Jeep Dodge RAM
    • 1.68 mi. away
    • Online Paperwork
    Call
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    Price Drop
    Used 2026 Buick Encore GX Sport Touring w/ Comfort Package
    Used

    2026 Buick Encore GX

    • Sport Touring
    • 5K mi
    25,189
    Great Price
    Dealer Fees Included
    No Accidents
    Jim Trenary Chevrolet Of Troy
    • 19.6 mi. away
    • Online Paperwork
    Call
    Price Drop
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    Used 2024 Buick Envista Avenir
    Used

    2024 Buick Envista

    • Avenir
    • 27K mi Mileage Value
    24,990
    Great Price
    No Additional Dealer Fees
    No Accidents
    Suntrup Buick GMC
    • 8.41 mi. away
    Call
    Sponsored
    Item 1 of 4.
    Used 2026 Buick Enclave Preferred
    MUST SEE QUALITY PRE OWNED VEHICLE!
    Used

    2026 Buick Enclave

    • Preferred
    • 22K mi
    42,154
    No Accidents
    Call
    Price Drop
    Used 2024 Buick Envista Preferred w/ Convenience I Package
    Used

    2024 Buick Envista

    • Preferred
    • 11K mi
    22,972
    Great Price
    Dealer Fees Included
    No Accidents
    Lou Fusz Subaru O'Fallon
    • 1.69 mi. away
    Call
    Price Drop
    Used 2020 Buick Envision Essence
    Used

    2020 Buick Envision

    • Essence
    • 38K mi
    19,896
    Great Price
    Dealer Fees Included
    No Accidents
    Bommarito West County
    • 13.62 mi. away
    • Online Paperwork
    Call
    Price Drop
    Used 2026 Buick Envista Avenir
    Used

    2026 Buick Envista

    • Avenir
    • 1K mi
    29,459
    Great Price
    Dealer Fees Included
    No Accidents
    Poage Chevrolet
    • 8.64 mi. away
    Call
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    Used 2024 Buick Encore GX Preferred
    Used

    2024 Buick Encore GX

    • Preferred
    • 23K mi
    21,317
    Good Price
    No Additional Dealer Fees
    No Accidents
    Suntrup Buick GMC
    • 8.41 mi. away
    Call
    Used 2021 Buick Envision Avenir
    Used

    2021 Buick Envision

    • Avenir
    • 48K mi
    25,397
    Great Price
    Dealer Fees Included
    No Accidents
    Jim Trenary of Union
    • 25.91 mi. away
    • Online Paperwork
    Call
    Price Drop
    Used 2024 Buick Envista Sport Touring w/ Convenience I Package
    Used

    2024 Buick Envista

    • Sport Touring
    • 39K mi
    23,599
    Great Price
    Dealer Fees Included
    No Accidents
    O'Fallon Buick GMC
    • 1.48 mi. away
    • Online Paperwork
    Call
    Used 2023 Buick Encore GX Select w/ Sport Touring Package

    2023 Buick Encore GX

    • Select
    • 17K mi
    22,295
    Great Price
    Dealer Fees Included
    No Accidents
    Clement Ford
    • 6.69 mi. away
    Call
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    Used 2024 Buick Envista Sport Touring w/ Convenience I Package
    Used

    2024 Buick Envista

    • Sport Touring
    • 10K mi
    25,968
    Great Price
    Dealer Fees Included
    No Accidents
    Clement Ford
    • 6.69 mi. away
    Call
    Price Drop
    Used 2024 Buick Envista Avenir
    Used

    2024 Buick Envista

    • Avenir
    • 17K mi
    25,664
    Great Price
    Dealer Fees Included
    No Accidents
    Napleton's Mid Rivers KIA
    • 7.74 mi. away
    Call
    Price Drop
    Used 2025 Buick Envista Sport Touring w/ Convenience I Package
    Used

    2025 Buick Envista

    • Sport Touring
    • 4K mi
    26,912
    Great Price
    Dealer Fees Included
    No Accidents
    Lou Fusz Kia
    • 17.96 mi. away
    • Online Paperwork
    Call
    Price Drop
    Used 2024 Buick Encore GX Sport Touring w/ Comfort Package
    Used

    2024 Buick Encore GX

    • Sport Touring
    • 29K mi
    22,167
    Great Price
    Dealer Fees Included
    No Accidents
    Lou Fusz Buick GMC
    • 17.66 mi. away
    Call
    Price Drop
    360°
    Used 2025 Buick Encore GX Preferred
    Used

    2025 Buick Encore GX

    • Preferred
    • 16K mi
    22,799
    Great Price
    No Additional Dealer Fees
    Suntrup Buick GMC
    • 8.41 mi. away
    Call
    Used 2021 Buick Envision Preferred
    Used

    2021 Buick Envision

    • Preferred
    • 37K mi
    23,886
    Good Price
    Dealer Fees Included
    No Accidents
    Jim Trenary of Union
    • 25.91 mi. away
    • Online Paperwork
    Call
    Used 2012 Buick Verano
    Used

    2012 Buick Verano

    • 82K mi
    9,599
    Dealer Fees Included
    No Accidents
    O'Fallon Buick GMC
    • 1.48 mi. away
    • Online Paperwork
    Call
    Used 2023 Buick Encore GX Select w/ Safety Package II

    2023 Buick Encore GX

    • Select
    • 37K mi
    20,841
    Great Price
    Dealer Fees Included
    No Accidents
    Clement Ford
    • 6.69 mi. away
    Call
    Price Drop
    Used 2026 Buick Envista Avenir
    Used

    2026 Buick Envista

    • Avenir
    • 371 mi
    29,989
    Great Price
    Dealer Fees Included
    No Accidents
    Autohaus BMW
    • 23.21 mi. away
    • Online Paperwork
    Call
    Used 2023 Buick Encore GX Select
    Used

    2023 Buick Encore GX

    • Select
    • 14K mi
    22,610
    Good Price
    Dealer Fees Included
    No Accidents
    Bommarito Chrysler Dodge Jeep Ram
    • 13.94 mi. away
    • Online Paperwork
    Call
    Price Drop
    Used 2016 Buick Enclave Leather
    Used

    2016 Buick Enclave

    • Leather
    • 111K mi
    12,459
    Good Price
    Dealer Fees Included
    Poage Chevrolet
    • 8.64 mi. away
    Call
    Used 2023 Buick Encore GX Select w/ Sport Touring Package
    Used

    2023 Buick Encore GX

    • Select
    • 35K mi
    20,959
    Great Price
    Dealer Fees Included
    No Accidents
    Poage Chevrolet
    • 8.64 mi. away
    Call
    Certified 2024 Buick Envista Sport Touring

    2024 Buick Envista

    • Sport Touring
    • 17K mi
    26,610
    Great Price
    Dealer Fees Included
    No Accidents
    ELCO Chevrolet
    • 14.5 mi. away
    Call
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