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Used Buick Cars for Sale in Union, MO

63084
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Items 1 to 2 of 16.
    Sponsored by O'Fallon Buick GMC
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    Used 2023 Buick Enclave Essence w/ Experience Buick Package
    29,500
    Great Price
    O'Fallon Buick GMC
    (636) 385-5436
    Call
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    65View Vehicles

    345 Matches

    Sponsored
    Used 2023 Buick Envision Avenir
    Used

    2023 Buick Envision

    • Avenir
    • 22K mi
    35,790
    See payment
    No Accidents
    Sponsored by Poage Chevrolet
    • 26.82 mi. away
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    Sponsored
    Used 2023 Buick Enclave Essence w/ Experience Buick Package
    Used

    2023 Buick Enclave

    • Essence
    • 36K mi
    29,500
    See payment
    Great Price
    No Accidents
    Sponsored by O'Fallon Buick GMC
    • 25.32 mi. away
    • Online Paperwork
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    Sponsored
    Certified 2023 Buick Enclave Essence w/ Trailering Package, 5000 lbs.
     CarBravo Certified

    2023 Buick Enclave

    • Essence
    • 29K mi
    30,338
    See payment
    Great Price
    No Accidents
    Sponsored by Sapaugh GM Country
    • 34.87 mi. away
    • Online Paperwork
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    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 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
    Price Drop
    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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    Newly Listed
    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
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    Sponsored
    Used 2024 Buick Envision Preferred
    Used 2024 Buick Envision Preferred
    Used 2024 Buick Envision Preferred
    Used 2024 Buick Envision Preferred
    Used

    2024 Buick Envision

    • Preferred
    • 34K mi
    26,213
    See payment
    Good Price
    No Accidents
    Call
    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
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    Used 2023 Buick Enclave Essence w/ Experience Buick Package
    Used

    2023 Buick Enclave

    • Essence
    • 36K mi
    29,500
    See payment
    Great Price
    No Accidents
    O'Fallon Buick GMC
    • 25.32 mi. away
    • Online Paperwork
    Call
    Used 2020 Buick Encore Preferred
    Used

    2020 Buick Encore

    • Preferred
    • 12K mi
    18,000
    See payment
    Great Price
    No Accidents
    Leo Payne Honda
    • 25.7 mi. away
    Call
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    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
    Price Drop
    Used 2024 Buick Envista Avenir
    Used

    2024 Buick Envista

    • Avenir
    • 17K mi
    24,994
    See payment
    Great Price
    No Accidents
    Lou Fusz Kia
    • 36.19 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
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    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
    Used 2022 Buick Encore GX Preferred w/ Sport Touring Package
    Used

    2022 Buick Encore GX

    • Preferred
    • 35K mi
    20,810
    See payment
    No Accidents
    Schicker Ford of Union
    • 0.68 mi. away
    Call
    Price Drop
    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
    Price Drop
    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
    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
    Price Drop
    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
    Price Drop
    Used 2022 Buick Envision Essence w/ Safety Package
    Used

    2022 Buick Envision

    • Essence
    • 24K mi
    23,026
    See payment
    Great Price
    AutoCenters Nissan
    • 34.68 mi. away
    Call
    Price Drop
    Used 2025 Buick Enclave Avenir w/ Super Cruise Package
    Used

    2025 Buick Enclave

    • Avenir
    • 354 mi
    53,482
    See payment
    Great Price
    No Accidents
    AutoCenters Nissan
    • 34.68 mi. away
    Call
    Newly Listed
    Used 2017 Buick Encore Essence w/ Experience Buick Package
    Used

    2017 Buick Encore

    • Essence
    • 88K mi
    12,249
    See payment
    Great Price
    No Accidents
    Frank Leta Acura - Lifetime Warranty On Every New Acura
    • 35.16 mi. away
    Call
    Price Drop
    Used 2025 Buick Envista Avenir
    Used

    2025 Buick Envista

    • Avenir
    • 4K mi
    24,986
    See payment
    Great Price
    No Accidents
    Victory Toyota of St. Louis
    • 35.24 mi. away
    Call
    Newly Listed
    Used 2017 Buick LaCrosse Premium w/ Driver Confidence Package #2
    Used

    2017 Buick LaCrosse

    • Premium
    • 51K mi
    19,555
    See payment
    Great Price
    No Accidents
    Suntrup Nissan
    • 36.04 mi. away
    Call
    Used 2024 Buick Envision Avenir
    Used

    2024 Buick Envision

    • Avenir
    • 19K mi
    35,478
    See payment
    Great Price
    No Accidents
    Frank Leta Honda
    • 24.91 mi. away
    Call
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