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Buick Cars for Sale in Union, MO

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    Sponsored by O'Fallon Buick GMC
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    High Demand
    Used 2025 Buick Envista Preferred
    23,500
    Great Price
    O'Fallon Buick GMC
    (636) 385-5436
    Call
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    59View Vehicles

    1,437 Matches

    Sponsored
    New 2026 Buick Envision Sport Touring
    New

    2026 Buick Envision

    • Sport Touring
    • 5 mi
    44,905
    MSRP$47,485
    See payment
    Sponsored by Dave Sinclair Buick GMC
    • 35.6 mi. away
    • Online Paperwork
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    Sponsored
    New 2026 Buick Envision Sport Touring
    New

    2026 Buick Envision

    • Sport Touring
    • 5 mi
    46,133
    MSRP$48,835
    See payment
    Sponsored by Dave Sinclair Buick GMC
    • 35.6 mi. away
    • Online Paperwork
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    Sponsored
    New 2026 Buick Envista Avenir
    New

    2026 Buick Envista

    • Avenir
    • 5 mi
    30,930
    MSRP$32,885
    See payment
    Sponsored by Dave Sinclair Buick GMC
    • 35.6 mi. away
    • Online Paperwork
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    Used 2022 Buick Envision Essence w/ Safety Package
    Used

    2022 Buick Envision

    • Essence
    • 37K mi
    25,749
    See payment
    Great Price
    No Accidents
    Jim Trenary of Union
    • 0.65 mi. away
    • Online Paperwork
    Call
    Used 2025 Buick Envista Sport Touring w/ Convenience I Package
    Used

    2025 Buick Envista

    • Sport Touring
    • 71 mi
    26,970
    See payment
    Great Price
    No Accidents
    Jim Trenary of Union
    • 0.65 mi. away
    • Online Paperwork
    Call
    Used 2025 Buick Encore GX Preferred
    Used

    2025 Buick Encore GX

    • Preferred
    • 71 mi
    25,870
    See payment
    Good Price
    No Accidents
    Jim Trenary of Union
    • 0.65 mi. away
    • Online Paperwork
    Call
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    Used 2024 Buick Envision Sport Touring
    Used

    2024 Buick Envision

    • Sport Touring
    • 1K mi
    30,990
    See payment
    Great Price
    No Accidents
    Schicker Chrysler Dodge Jeep Ram
    • 7.03 mi. away
    Call
    Sponsored
    Used 2020 Buick Enclave Avenir w/ Avenir Technology Package
    Used 2020 Buick Enclave Avenir w/ Avenir Technology Package
    Used 2020 Buick Enclave Avenir w/ Avenir Technology Package
    Used 2020 Buick Enclave Avenir w/ Avenir Technology Package
    Used

    2020 Buick Enclave

    • Avenir
    • 74K mi
    24,464
    See payment
    Great Price
    No Accidents
    Call
    High Demand
    Used 2025 Buick Envista Preferred
    Used

    2025 Buick Envista

    • Preferred
    • 9K mi
    23,500
    See payment
    Great Price
    No Accidents
    O'Fallon Buick GMC
    • 25.32 mi. away
    • Online Paperwork
    Call
    Used 2025 Buick Envista Sport Touring w/ Convenience I Package
    Used

    2025 Buick Envista

    • Sport Touring
    • 68 mi
    28,634
    See payment
    No Accidents
    Jim Trenary of Union
    • 0.65 mi. away
    • Online Paperwork
    Call
    Used 2023 Buick Envision Essence
    Used

    2023 Buick Envision

    • Essence
    • 11K mi
    32,945
    See payment
    No Accidents
    Jim Trenary of Union
    • 0.65 mi. away
    • Online Paperwork
    Call
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    Newly Listed
    Certified 2024 Buick Encore GX Preferred
     CarBravo Certified

    2024 Buick Encore GX

    • Preferred
    • 10K mi
    23,995
    See payment
    Great Price
    No Accidents
    Can be shipped to
    Laura Chevrolet Buick GMC of Sullivan
    • 17.36 mi. away
    • Online Paperwork
    • Delivery
    Call
    Used 2026 Buick Enclave Preferred w/ LPO, Floor Liner Package
    Used

    2026 Buick Enclave

    • Preferred
    • 2K mi
    43,900
    See payment
    Great Price
    No Accidents
    O'Fallon Buick GMC
    • 25.32 mi. away
    • Online Paperwork
    Call
    Price Drop
    Used 2023 Buick Encore GX Select w/ Sport Touring Package
    Used

    2023 Buick Encore GX

    • Select
    • 43K mi
    20,373
    See payment
    Great Price
    No Accidents
    Lou Fusz Chrysler Jeep Dodge RAM
    • 26.88 mi. away
    • Online Paperwork
    Call
    Used 2024 Buick Encore GX Avenir
    Used

    2024 Buick Encore GX

    • Avenir
    • 43K mi
    26,760
    See payment
    Good Price
    No Accidents
    Jim Trenary of Union
    • 0.65 mi. away
    • Online Paperwork
    Call
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    Used 2023 Buick Envision Avenir
    Used

    2023 Buick Envision

    • Avenir
    • 27K mi
    30,379
    See payment
    Good Price
    No Accidents
    Chris Auffenberg Ford Lincoln
    • 7.01 mi. away
    Call
    Price Drop360°
    Used 2024 Buick Enclave Essence
    Used

    2024 Buick Enclave

    • Essence
    • 19K mi
    33,765
    See payment
    Good Price
    No Accidents
    Suntrup Buick GMC
    • 33.86 mi. away
    Call
    Newly Listed
    Used 2023 Buick Encore GX Select w/ Sport Touring Package
    Used

    2023 Buick Encore GX

    • Select
    • 40K mi
    19,459
    See payment
    Great Price
    No Accidents
    Dave Sinclair Buick GMC
    • 35.6 mi. away
    • Online Paperwork
    Call
    Newly Listed
    Used 2023 Buick Encore GX Select w/ Sport Touring Package
    Used

    2023 Buick Encore GX

    • Select
    • 21K mi
    21,765
    See payment
    Good Price
    No Accidents
    Dave Sinclair Buick GMC
    • 35.6 mi. away
    • Online Paperwork
    Call
    Used 2022 Buick Encore GX Preferred w/ Sport Touring Package
    Used

    2022 Buick Encore GX

    • Preferred
    • 35K mi
    20,819
    See payment
    No Accidents
    Schicker Ford of Union
    • 0.68 mi. away
    Call
    Newly Listed
    Used 2022 Buick Encore GX Preferred
    Used

    2022 Buick Encore GX

    • Preferred
    • 26K mi
    20,966
    See payment
    Good Price
    No Accidents
    Jim Trenary Chevrolet
    • 24.95 mi. away
    • Online Paperwork
    Call
    Price Drop
    Used 2022 Buick Envision Essence w/ Safety Package
    Used

    2022 Buick Envision

    • Essence
    • 50K mi
    22,798
    See payment
    Great Price
    No Accidents
    Bommarito West County
    • 25.16 mi. away
    • Online Paperwork
    Call
    Used 2023 Buick Envision Avenir
    Used

    2023 Buick Envision

    • Avenir
    • 13K mi
    30,550
    See payment
    Great Price
    No Accidents
    Bommarito West County
    • 25.16 mi. away
    • Online Paperwork
    Call
    High Demand
    Used 2017 Buick Enclave Leather w/ Enclave Sport Touring Edition
    Used

    2017 Buick Enclave

    • Leather
    • 97K mi
    12,950
    See payment
    Great Price
    Bo Beuckman Ford
    • 25.38 mi. away
    • Online Paperwork
    Call
    Used 2022 Buick Envision Essence w/ Safety Package
    Used

    2022 Buick Envision

    • Essence
    • 19K mi
    26,400
    See payment
    Great Price
    No Accidents
    George Weber Chevrolet Columbia
    • 42.32 mi. away
    • Online Paperwork
    Call
    Price Drop360°
    Used 2024 Buick Encore GX Sport Touring
    Used

    2024 Buick Encore GX

    • Sport Touring
    • 29K mi
    20,980
    See payment
    Great Price
    E C of ST LOUIS CDJR LLC
    • 38.46 mi. away
    Call
    High Demand
    Used 2024 Buick Envista Sport Touring
    Used

    2024 Buick Envista

    • Sport Touring
    • 17K mi
    24,740
    See payment
    Great Price
    No Accidents
    Ed Napleton Honda St Peters
    • 33.15 mi. away
    Call
    Price Drop
    Used 2022 Buick Envision Avenir w/ Technology Package II
    Used

    2022 Buick Envision

    • Avenir
    • 24K mi
    28,680
    See payment
    Great Price
    Ed Napleton Honda St Peters
    • 33.15 mi. away
    Call
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