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Buick Cars for Sale in Union, MO

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    Sponsored by O'Fallon Buick GMC
    New 2026 Buick Envista Sport Touring w/ Convenience I Package
    27,623
    MSRP$26,425
    Dealer Logo
    87View Vehicles

    1,417 Matches

    New 2026 Buick Envision Sport Touring
    New
    • Sport Touring
    • 7 mi
    37,731
    MSRP$45,990
    New 2026 Buick Envista Sport Touring w/ Convenience I Package
    New
    • Sport Touring
    • 3K mi
    24,122
    MSRP$27,485
    New 2026 Buick Envision Sport Touring
    New
    • Sport Touring
    • 6 mi
    42,669
    MSRP$49,260
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    Based on 4.5% APR for mos.
    Used 2024 Buick Encore GX Sport Touring
    Used
    • Sport Touring
    • 48K mi
    23,728
    Used 2021 Buick Envision Avenir
    Used
    • Avenir
    • 48K mi
    26,497
    Good Price
    Used 2024 Buick Envista Preferred
    Used
    • Preferred
    • 32K mi
    24,531
    Good Price
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    Used 2023 Buick Envision Preferred w/ Premium Seat Package
    Used
    • Preferred
    • 29K mi
    26,531
    Good Price
    Item 1 of 4.
    Certified
    • Preferred
    • 14K mi
    27,110
    Great Price
    Used 2021 Buick Enclave Premium w/ Sun and Sites Package
    Used
    • Premium
    • 51K mi
    26,531
    Great Price
    Used 2022 Buick Encore GX Preferred w/ Cold Weather Comfort Package
    Used
    • Preferred
    • 125K mi
    13,578
    Used 2024 Buick Encore GX Preferred
    Used
    • Preferred
    • 13K mi
    24,228
    Good Price
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    Used 2017 Buick LaCrosse Premium w/ Driver Confidence Package #2
    Used
    • Premium
    • 86K mi
    18,120
    Great Price
    Used 2023 Buick Enclave Avenir w/ Avenir Technology Package
    Used
    • Avenir
    • 56K mi
    36,967
    Used 2022 Buick Enclave Avenir w/ Avenir Technology Package
    Used
    • Avenir
    • 31K mi
    34,889
    Great Price
    Used 2025 Buick Enclave Sport Touring w/ Power Package
    Used
    • Sport Touring
    • 12K mi
    42,120
    Good Price
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    Used 2025 Buick Envista Preferred w/ Convenience I Package
    Used
    • Preferred
    • 21K mi
    23,958
    Used 2023 Buick Encore GX Essence w/ Experience Buick Package
    Used
    • Essence
    • 25K mi
    26,440
    Used 2024 Buick Enclave Essence w/ Technology Package
    Used
    • Essence
    • 25K mi
    35,042
    Good Price
    Used 2024 Buick Enclave Essence
    Used
    • Essence
    • 11K mi
    36,353
    Good Price
    Used 2024 Buick Enclave Essence w/ Sport Touring Edition
    Used
    • Essence
    • 39K mi
    31,763
    Great Price
    Used 2026 Buick Encore GX Sport Touring w/ Comfort Package
    Used
    • Sport Touring
    • 5K mi
    27,689
    Used 2017 Buick Cascada Premium
    Used
    • Premium
    • 75K mi
    13,599
    Great Price
    Used 2024 Buick Enclave Essence
    Used
    • Essence
    • 59K mi
    27,499
    Good Price
    Used 2024 Buick Enclave Essence
    Used
    • Essence
    • 49K mi
    31,099
    Great Price
    Used 2022 Buick Enclave Avenir w/ Avenir Technology Package
    Used
    • Avenir
    • 65K mi
    31,499
    Good Price
    Used 2021 Buick Envision Avenir w/ Technology Package II
    Used
    • Avenir
    • 15K mi
    31,499
    Used 2024 Buick Envision Preferred
    Used
    • Preferred
    • 48K mi
    25,614
    Good Price
    Used 2023 Buick Envision Preferred
    Used
    • Preferred
    • 64K mi
    22,211

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