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Buick Cars for Sale in O Fallon, MO

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    Sponsored by O'Fallon Buick GMC
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    High Demand
    New 2026 Buick Envista Sport Touring w/ Convenience I Package
    28,793
    MSRP$27,595
    Dealer Fees Included
    Dealer
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    113View Vehicles

    1,619 Matches

    Used 2024 Buick Enclave Essence w/ Technology Package
    Used

    2024 Buick Enclave

    • Essence
    • 25K mi
    33,072
    Good Price
    Dealer Fees Included
    No Accidents
    Sponsored by CHRIS AUFFENBERG FORD
    • 24.11 mi. away
    Call
    Newly Listed
    Used 2024 Buick Enclave Essence
    Used

    2024 Buick Enclave

    • Essence
    • 45K mi
    31,274
    Dealer Fees Included
    No Accidents
    Sponsored by Auffenberg Auto Mall
    • 43.39 mi. away
    Call
    New 2026 Buick Envista Sport Touring w/ Convenience I Package
    New

    2026 Buick Envista

    • Sport Touring
    • 12 mi
    25,033
    MSRP$29,385
    Can be shipped to
    Sponsored by Laura Buick of Sullivan
    • Online Paperwork
    • Buy Online
    • Delivery
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    Based on 4.5% APR for mos.
    Newly Listed
    Used 2026 Buick Envista Avenir
    Used

    2026 Buick Envista

    • Avenir
    • 131 mi
    30,499
    Dealer Fees Included
    No Accidents
    O'Fallon Buick GMC
    • 4.76 mi. away
    • Online Paperwork
    Call
    Price Drop
    Used 2024 Buick Encore GX Preferred
    Used

    2024 Buick Encore GX

    • Preferred
    • 13K mi
    21,294
    Great Price
    Dealer Fees Included
    No Accidents
    Lou Fusz Chrysler Jeep Dodge RAM
    • 4.72 mi. away
    • Online Paperwork
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    Price Drop
    Used 2026 Buick Encore GX Sport Touring
    Used

    2026 Buick Encore GX

    • Sport Touring
    • 9K mi
    24,548
    Great Price
    Dealer Fees Included
    No Accidents
    Lou Fusz Chrysler Jeep Dodge RAM
    • 4.72 mi. away
    • Online Paperwork
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    Newly Listed
    Used 2023 Buick Enclave Essence w/ Sport Touring Edition
    Used

    2023 Buick Enclave

    • Essence
    • 19K mi
    32,614
    Great Price
    Dealer Fees Included
    No Accidents
    Napleton's Mid Rivers Chrysler Dodge Jeep RAM FIAT
    • 6.9 mi. away
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    Sponsored
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    Item 1 of 4.
    New 2026 Buick Enclave Sport Touring w/ Power Package
    Limited Time Offer!$1250 Cash Back
    New

    2026 Buick Enclave

    • Sport Touring
    • 3 mi
    59,050
    MSRP$61,800
    No Additional Dealer Fees
    Call
    Price Drop
    Used 2021 Buick Envision Essence
    Used

    2021 Buick Envision

    • Essence
    • 50K mi
    21,514
    Great Price
    Dealer Fees Included
    No Accidents
    Lou Fusz Chrysler Jeep Dodge RAM
    • 4.72 mi. away
    • Online Paperwork
    Call
    Price Drop
    Used 2026 Buick Encore GX Sport Touring w/ Comfort Package
    Used

    2026 Buick Encore GX

    • Sport Touring
    • 5K mi
    25,989
    Good Price
    Dealer Fees Included
    No Accidents
    Jim Trenary Chevrolet Of Troy
    • 17.13 mi. away
    • Online Paperwork
    Call
    Price Drop
    Used 2023 Buick Encore GX Select

    2023 Buick Encore GX

    • Select
    • 24K mi
    21,124
    Great Price
    Dealer Fees Included
    No Accidents
    Clement Ford
    • 6.05 mi. away
    Call
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    Used 2023 Buick Envision Avenir
    Used

    2023 Buick Envision

    • Avenir
    • 22K mi
    32,949
    Great Price
    Dealer Fees Included
    No Accidents
    Poage Chevrolet
    • 8.06 mi. away
    Call
    Newly Listed
    Used 2025 Buick Enclave Avenir w/ LPO, Floor Liner Package
    Used

    2025 Buick Enclave

    • Avenir
    • 28K mi
    45,599
    Great Price
    Dealer Fees Included
    No Accidents
    O'Fallon Buick GMC
    • 4.76 mi. away
    • Online Paperwork
    Call
    Price Drop
    Used 2024 Buick Envista Preferred w/ Convenience I Package
    Used

    2024 Buick Envista

    • Preferred
    • 11K mi
    24,070
    Great Price
    Dealer Fees Included
    No Accidents
    Lou Fusz Subaru O'Fallon
    • 4.75 mi. away
    Call
    Newly Listed
    Used 2024 Buick Encore GX Preferred w/ Comfort Package
    Used

    2024 Buick Encore GX

    • Preferred
    • 31K mi
    24,599
    Good Price
    Dealer Fees Included
    No Accidents
    O'Fallon Buick GMC
    • 4.76 mi. away
    • Online Paperwork
    Call
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    Used 2024 Buick Envista Sport Touring w/ Convenience I Package
    Used

    2024 Buick Envista

    • Sport Touring
    • 10K mi
    25,906
    Great Price
    Dealer Fees Included
    No Accidents
    Clement Ford
    • 6.05 mi. away
    Call
    Price Drop
    Used 2026 Buick Encore GX Preferred
    Used

    2026 Buick Encore GX

    • Preferred
    • 14K mi
    22,499
    Great Price
    Dealer Fees Included
    No Accidents
    Hertz Car Sales St. Louis
    • Buy Online
    Call
    Price Drop
    Used 2026 Buick Encore GX Preferred
    Used

    2026 Buick Encore GX

    • Preferred
    • 11K mi
    22,799
    Great Price
    Dealer Fees Included
    No Accidents
    Hertz Car Sales St. Louis
    • Buy Online
    Call
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    Used 2019 Buick Encore Preferred
    Used

    2019 Buick Encore

    • Preferred
    • 36K mi
    16,805
    No Additional Dealer Fees
    Suntrup Buick GMC
    • 7.51 mi. away
    Call
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    Used 2023 Buick Envision Essence
    Used

    2023 Buick Envision

    • Essence
    • 28K mi
    25,954
    No Additional Dealer Fees
    No Accidents
    Suntrup Buick GMC
    • 7.51 mi. away
    Call
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    Used 2023 Buick Envision Preferred
    Used

    2023 Buick Envision

    • Preferred
    • 15K mi
    26,400
    No Additional Dealer Fees
    No Accidents
    Suntrup Buick GMC
    • 7.51 mi. away
    Call
    Price Drop
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    Used 2024 Buick Envision Avenir
    Used

    2024 Buick Envision

    • Avenir
    • 20K mi
    37,398
    No Additional Dealer Fees
    No Accidents
    Suntrup Buick GMC
    • 7.51 mi. away
    Call
    Used 2025 Buick Envista Sport Touring
    Used

    2025 Buick Envista

    • Sport Touring
    • 18 mi
    26,929
    Great Price
    Dealer Fees Included
    No Accidents
    Poage Chevrolet
    • 8.06 mi. away
    Call
    Price Drop
    Used 2023 Buick Encore GX Preferred w/ Cold Weather Comfort Package
    Used

    2023 Buick Encore GX

    • Preferred
    • 19K mi
    21,515
    Good Price
    Dealer Fees Included
    No Accidents
    Lou Fusz Buick GMC
    • 18.61 mi. away
    Call
    Newly Listed
    Used 2023 Buick Encore GX Select
    Used

    2023 Buick Encore GX

    • Select
    • 28K mi Mileage Value
    22,321
    Great Price
    Dealer Fees Included
    No Accidents
    Clement Pre-Owned (Florissant)
    • 21.56 mi. away
    Call
    High Demand
    Used 2020 Buick Encore Preferred w/ Safety Package
    Used

    2020 Buick Encore

    • Preferred
    • 8K mi
    20,299
    Great Price
    Dealer Fees Included
    Behlmann Buick GMC
    • 18.42 mi. away
    • Online Paperwork
    Call
    Price Drop
    Used 2020 Buick Envision Essence
    Used

    2020 Buick Envision

    • Essence
    • 38K mi
    20,927
    Good Price
    Dealer Fees Included
    No Accidents
    Bommarito West County
    • 16.78 mi. away
    • Online Paperwork
    Call
    Used 2023 Buick Envision Preferred
    Used

    2023 Buick Envision

    • Preferred
    • 24K mi
    26,076
    Great Price
    Dealer Fees Included
    No Accidents
    Lou Fusz Chevrolet
    • 5.65 mi. away
    Call
    Used 2021 Buick Envision Avenir
    Used

    2021 Buick Envision

    • Avenir
    • 48K mi
    25,997
    Great Price
    Dealer Fees Included
    No Accidents
    Jim Trenary of Union
    • 29.36 mi. away
    • Online Paperwork
    Call
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