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Buick Cars for Sale in O Fallon, MO

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Items 1 to 2 of 15.
    Sponsored by O'Fallon Buick GMC
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    High Demand
    New 2026 Buick Envista Sport Touring w/ Convenience I Package
    28,949
    MSRP$28,600
    Dealer
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    44View Vehicles

    2,010 Matches

    Used 2023 Buick Encore GX Essence w/ Advanced Technology Package
    Used

    2023 Buick Encore GX

    • Essence
    • 17K mi
    23,898
    No Accidents
    Sponsored by Weber Chevrolet
    • 17.33 mi. away
    • Online Paperwork
    Call
    New 2026 Buick Envista Sport Touring w/ Convenience I Package
    New

    2026 Buick Envista

    • Sport Touring
    • 7 mi
    27,363
    MSRP$29,385
    Sponsored by Laura Buick GMC
    • Online Paperwork
    • Buy Online
    • Delivery
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    New 2026 Buick Encore GX Preferred
    New

    2026 Buick Encore GX

    • Preferred
    • 5 mi
    25,442
    MSRP$28,885
    Sponsored by Cardinal Buick GMC
    • 42.36 mi. away
    • Online Paperwork
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    $

    Based on 4.5% APR for mos.
    Newly Listed
    Used 2012 Buick LaCrosse Premium w/ Driver Confidence Package
    Used

    2012 Buick LaCrosse

    • Premium
    • 72K mi
    11,120
    Dealer Fees Included
    No Accidents
    Bo Beuckman Ford
    • 16.78 mi. away
    • Online Paperwork
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    Price Drop
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    Used 2023 Buick Encore GX Select w/ Safety Package II
    Used

    2023 Buick Encore GX

    • Select
    • 14K mi
    22,990
    No Accidents
    Suntrup Buick GMC
    • 7.51 mi. away
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    High Demand
    Used 2018 Buick Regal Essence w/ Driver Confidence Package #1
    Used

    2018 Buick Regal

    • Essence
    • 28K mi
    21,900
    No Accidents
    Ed Napleton Honda St Peters
    • 6.32 mi. away
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    Used 1996 Buick Roadmaster Estate
    Used

    1996 Buick Roadmaster

    • Estate
    • 168K mi
    5,000
    Private Seller Exchange
    • 16.78 mi. away
    • Buy Online. Clean title. No Hassle
    Sponsored
    Item 1 of 4.
    Certified 2023 Buick Enclave Premium w/ Experience Buick Package
    Certified

    2023 Buick Enclave

    • Premium
    • 39K mi
    34,400
    No Accidents
    Price Drop
    Used 2023 Buick Encore GX Preferred w/ Cold Weather Comfort Package
    Used

    2023 Buick Encore GX

    • Preferred
    • 31K mi
    19,958
    No Accidents
    Lou Fusz Chrysler Jeep Dodge RAM
    • 4.72 mi. away
    • Online Paperwork
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    Used 2017 Buick Cascada Premium
    Used

    2017 Buick Cascada

    • Premium
    • 75K mi
    14,900
    O'Fallon Buick GMC
    • 4.76 mi. away
    • Online Paperwork
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    Price Drop
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    Used 2022 Buick Encore GX Essence w/ Experience Buick Package
    Used

    2022 Buick Encore GX

    • Essence
    • 51K mi
    20,777
    Suntrup Buick GMC
    • 7.51 mi. away
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    Newly Listed
    Used 2019 Buick Encore Preferred
    Used

    2019 Buick Encore

    • Preferred
    • 23K mi
    16,990
    No Accidents
    Mylenbusch Auto Source
    • 0.42 mi. away
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    Price Drop
    Used 2021 Buick Enclave Essence
    Used

    2021 Buick Enclave

    • Essence
    • 41K mi
    26,323
    No Accidents
    Lou Fusz Chevrolet
    • 5.65 mi. away
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    Price Drop
    Used 2023 Buick Envision Essence w/ Sport Touring Package
    Used

    2023 Buick Envision

    • Essence
    • 17K mi
    27,937
    No Accidents
    Lou Fusz Chevrolet
    • 5.65 mi. away
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    Price Drop
    Used 2022 Buick Envision Avenir w/ Technology Package II
    Used

    2022 Buick Envision

    • Avenir
    • 24K mi
    27,000
    Ed Napleton Honda St Peters
    • 6.32 mi. away
    Call
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    Used 2023 Buick Enclave Essence w/ Experience Buick Package
    Used

    2023 Buick Enclave

    • Essence
    • 28K mi
    33,300
    Ed Napleton Honda St Peters
    • 6.32 mi. away
    Call
    Newly Listed
    Used 2024 Buick Envista Sport Touring
    Used

    2024 Buick Envista

    • Sport Touring
    • 12K mi
    27,729
    No Accidents
    Lou Fusz Buick GMC
    • 18.61 mi. away
    Call
    Price Drop
    Used 2023 Buick Encore GX Select w/ Sport Touring Package
    Used

    2023 Buick Encore GX

    • Select
    • 24K mi
    23,186
    No Accidents
    Lou Fusz Chevrolet
    • 5.65 mi. away
    Call
    Newly Listed
    Used 2022 Buick Encore GX Select
    Used

    2022 Buick Encore GX

    • Select
    • 43K mi
    21,007
    Dealer Fees Included
    No Accidents
    Dave Sinclair Buick GMC
    • 27.87 mi. away
    • Online Paperwork
    • Delivery
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    Price Drop
    Used 2024 Buick Envision Sport Touring
    Used

    2024 Buick Envision

    • Sport Touring
    • 13K mi
    30,000
    No Accidents
    Volvo Cars West County
    • 18.43 mi. away
    • Online Paperwork
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    Used 2024 Buick Enclave Essence w/ Experience Buick Package
    Used

    2024 Buick Enclave

    • Essence
    • 27K mi
    33,298
    Suntrup Buick GMC
    • 7.51 mi. away
    Call
    Price Drop
    Used 2025 Buick Encore GX Preferred
    Used

    2025 Buick Encore GX

    • Preferred
    • 71 mi
    23,499
    No Accidents
    Jim Trenary of Union
    • 29.36 mi. away
    • Online Paperwork
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    Used 2023 Buick Envision Preferred
    Used

    2023 Buick Envision

    • Preferred
    • 25K mi
    24,714
    No Accidents
    Frank Leta Honda
    • 6.37 mi. away
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    Price Drop
    Used 2023 Buick Enclave Essence w/ LPO, Floor Liner Package
    Used

    2023 Buick Enclave

    • Essence
    • 37K mi
    30,419
    No Accidents
    Frank Leta Honda
    • 6.37 mi. away
    Call
    Used 2023 Buick Enclave Essence w/ Sport Touring Edition
    Used

    2023 Buick Enclave

    • Essence
    • 29K mi
    33,664
    No Accidents
    Frank Leta Honda
    • 6.37 mi. away
    Call
    Used 2023 Buick Enclave Essence w/ Experience Buick Package
    Used

    2023 Buick Enclave

    • Essence
    • 26K mi
    31,900
    No Accidents
    Napleton's Mid Rivers Chrysler Dodge Jeep RAM FIAT
    • 6.9 mi. away
    Call
    Used 2023 Buick Encore GX Preferred w/ Cold Weather Comfort Package
    Used

    2023 Buick Encore GX

    • Preferred
    • 18K mi
    20,021
    Dealer Fees Included
    No Accidents
    Dave Sinclair Buick GMC
    • 27.87 mi. away
    • Online Paperwork
    • Delivery
    Call
    Used 2024 Buick Envista Sport Touring w/ Convenience I Package
    Used

    2024 Buick Envista

    • Sport Touring
    • 19K mi
    25,044
    Dealer Fees Included
    No Accidents
    Dave Sinclair Buick GMC
    • 27.87 mi. away
    • Online Paperwork
    • Delivery
    Call
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