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Buick Cars for Sale in O'fallon, MO

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Items 1 to 2 of 16.
    Sponsored by O'Fallon Buick GMC
    New 2026 Buick Envista Sport Touring w/ Convenience I Package
    29,680
    MSRP$29,081
    Dealer Logo
    70View Vehicles

    1,958 Matches

    New 2026 Buick Enclave Preferred
    New
    • Preferred
    • 6 mi
    42,377
    MSRP$48,740
    New 2026 Buick Envista Sport Touring w/ Convenience II Package
    New
    • Sport Touring
    • 5 mi
    28,731
    MSRP$28,590
    New 2026 Buick Enclave Avenir w/ Super Cruise Package
    New
    • Avenir
    • 3 mi
    61,553
    MSRP$67,309
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    Based on 4.5% APR for mos.
    Used 2017 Buick Envision Essence
    Used
    • Essence
    • 42K mi
    18,678
    Good Price
    Used 2025 Buick Envista Avenir
    Used
    • Avenir
    • 5K mi
    28,195
    Great Price
    Used 2017 Buick Encore Essence
    Used
    • Essence
    • 63K mi
    15,597
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    Used 2023 Buick Enclave Essence w/ Sport Touring Edition
    Used
    • Essence
    • 29K mi
    33,097
    Good Price
    Item 1 of 4.
    New
    • Preferred
    • 3 mi
    26,330
    MSRP$27,710
    Used 2020 Buick Encore GX Essence
    Used
    • Essence
    • 33K mi
    20,972
    Great Price
    Used 2022 Buick Envision Avenir w/ Technology Package II
    Used
    • Avenir
    • 24K mi
    27,480
    Great Price
    Used 2024 Buick Envista Avenir
    Used
    • Avenir
    • 25K mi
    25,120
    Great Price
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    Used 2023 Buick Enclave Essence w/ Experience Buick Package
    Used
    • Essence
    • 26K mi
    32,117
    Great Price
    Used 2025 Buick Envista Sport Touring
    Used
    • Sport Touring
    • 18 mi
    26,949
    Great Price
    Used 2021 Buick Envision Avenir
    Used
    • Avenir
    • 31K mi
    28,585
    Great Price
    Used 2024 Buick Envista Sport Touring w/ Convenience I Package
    Used
    • Sport Touring
    • 28K mi
    25,402
    Great Price
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    Used 2025 Buick Encore GX Preferred
    Used
    • Preferred
    • 71 mi
    23,794
    Great Price
    Used 2014 Buick Encore Leather
    Used
    • Leather
    • 102K mi
    8,705
    Great Price
    Used 2022 Buick Enclave Avenir w/ Avenir Technology Package
    Used
    • Avenir
    • 33K mi
    35,059
    Great Price
    Used 2023 Buick Envision Essence w/ Sport Touring Package
    Used
    • Essence
    • 66K mi
    21,076
    Great Price
    Used 2023 Buick Encore GX Essence w/ Advanced Technology Package
    Used
    • Essence
    • 17K mi
    23,970
    Good Price
    Used 2023 Buick Envision Avenir
    Used
    • Avenir
    • 24K mi
    33,949
    Good Price
    Used 2023 Buick Encore GX Preferred w/ Cold Weather Comfort Package
    Used
    • Preferred
    • 17K mi
    22,516
    Great Price
    Used 2023 Buick Enclave Essence w/ LPO, Floor Liner Package
    Used
    • Essence
    • 37K mi
    31,092
    Good Price
    Used 2025 Buick Encore GX Sport Touring w/ Comfort Package
    Used
    • Sport Touring
    • 2K mi
    25,265
    Great Price
    Used 2026 Buick Enclave Preferred w/ Power Package
    Used
    • Preferred
    • 2K mi
    42,566
    Great Price
    Used 2026 Buick Enclave Sport Touring w/ Power Package
    Used
    • Sport Touring
    • 535 mi
    43,658
    Great Price
    Used 2021 Buick Envision Avenir
    Used
    • Avenir
    • 48K mi
    28,997
    Good Price
    Used 2023 Buick Envision Preferred w/ Sport Touring Package
    Used
    • Preferred
    • 32K mi
    27,388
    Good Price

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