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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
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    High Demand
    Used 2025 Buick Envista Preferred
    23,500
    Great Price
    O'Fallon Buick GMC
    (636) 385-5436
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    60View Vehicles

    1,928 Matches

    Sponsored
    New 2026 Buick Encore GX Preferred
    New

    2026 Buick Encore GX

    • Preferred
    • 7 mi
    22,995
    MSRP$29,080
    See payment
    Sponsored by Laura Buick GMC
    • Online Paperwork
    • Buy Online
    • Delivery
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    SponsoredNewly Listed
    New 2026 Buick Envista Preferred
    New

    2026 Buick Envista

    • Preferred
    • 5 mi
    25,684
    MSRP$26,990
    See payment
    Sponsored by Cardinal Buick GMC
    • 41.01 mi. away
    • Online Paperwork
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    Sponsored
    New 2026 Buick Envista Preferred
    New

    2026 Buick Envista

    • Preferred
    • 7 mi
    25,378
    MSRP$26,990
    See payment
    Sponsored by Laura Buick GMC
    • Online Paperwork
    • Buy Online
    • Delivery
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    Based on 4.5% APR for mos.Update Settings
    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
    • 1.48 mi. away
    • Online Paperwork
    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
    • 1.48 mi. away
    • Online Paperwork
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    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
    • 1.68 mi. away
    • Online Paperwork
    Call
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    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
    • 8.41 mi. away
    Call
    Sponsored
    New 2025 Buick Envista Preferred w/ Convenience I Package
    New 2025 Buick Envista Preferred w/ Convenience I Package
    New 2025 Buick Envista Preferred w/ Convenience I Package
    New 2025 Buick Envista Preferred w/ Convenience I Package
    New

    2025 Buick Envista

    • Preferred
    • 4K mi
    25,237
    MSRP$28,050
    See payment
    Incentive
    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
    • 2.67 mi. away
    • Online Paperwork
    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
    • 7.36 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
    • 7.36 mi. away
    Call
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    Used 2024 Buick Envision Avenir
    Used

    2024 Buick Envision

    • Avenir
    • 19K mi
    35,478
    See payment
    Great Price
    No Accidents
    Frank Leta Honda
    • 2.58 mi. away
    Call
    High Demand
    Used 2024 Buick Envista Avenir
    Used

    2024 Buick Envista

    • Avenir
    • 17K mi
    24,994
    See payment
    Great Price
    No Accidents
    Lou Fusz Kia
    • 17.96 mi. away
    • Online Paperwork
    Call
    Price Drop
    Used 2025 Buick Enclave Preferred
    Used

    2025 Buick Enclave

    • Preferred
    • 17K mi
    35,735
    See payment
    Great Price
    No Accidents
    Lou Fusz Chrysler Jeep Dodge RAM
    • 1.68 mi. away
    • Online Paperwork
    Call
    Used 2024 Buick Encore GX Preferred
    Used

    2024 Buick Encore GX

    • Preferred
    • 17K mi
    22,478
    See payment
    Great Price
    No Accidents
    Lou Fusz Chevrolet
    • 6.79 mi. away
    Call
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    Price Drop
    Used 2023 Buick Encore GX Select w/ Sport Touring Package
    Used

    2023 Buick Encore GX

    • Select
    • 59K mi
    17,749
    See payment
    Great Price
    No Accidents
    Jim Trenary Chevrolet
    • 2.67 mi. away
    • Online Paperwork
    Call
    Price Drop
    Used 2024 Buick Enclave Essence w/ LPO, Touring Package
    Used

    2024 Buick Enclave

    • Essence
    • 25K mi
    30,990
    See payment
    Great Price
    No Accidents
    Ed Napleton Honda St Peters
    • 7.36 mi. away
    Call
    Used 2023 Buick Encore GX Preferred w/ Cold Weather Comfort Package
    Used

    2023 Buick Encore GX

    • Preferred
    • 17K mi
    22,287
    See payment
    Great Price
    No Accidents
    Clement Hyundai
    • 8.75 mi. away
    Call
    Used 2023 Buick Envision Preferred
    Used

    2023 Buick Envision

    • Preferred
    • 19K mi
    24,798
    See payment
    Great Price
    No Accidents
    Clement Hyundai
    • 8.75 mi. away
    Call
    Used 2022 Buick Enclave Essence w/ Experience Buick Package
    Used

    2022 Buick Enclave

    • Essence
    • 36K mi
    27,234
    See payment
    Great Price
    No Accidents
    Clement Hyundai
    • 8.75 mi. away
    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
    • 17.08 mi. away
    Call
    Used 2023 Buick Enclave Essence w/ Experience Buick Package
    Used

    2023 Buick Enclave

    • Essence
    • 18K mi
    35,840
    See payment
    Good Price
    No Accidents
    Johnny Londoff Autoplex
    • 4.64 mi. away
    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
    • 13.62 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
    • 13.62 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
    • 13.65 mi. away
    • Online Paperwork
    Call
    Price Drop
    Used 2024 Buick Enclave Essence w/ Experience Buick Package
    Used

    2024 Buick Enclave

    • Essence
    • 20K mi
    37,382
    See payment
    Good Price
    No Accidents
    Lou Fusz Ford
    • 8.19 mi. away
    • Online Paperwork
    Call
    360°
    Used 2023 Buick Envision Avenir
    Used

    2023 Buick Envision

    • Avenir
    • 42K mi
    29,313
    See payment
    Good Price
    No Accidents
    Suntrup Buick GMC
    • 8.41 mi. away
    Call
    360°
    Used 2024 Buick Enclave Essence w/ Experience Buick Package
    Used

    2024 Buick Enclave

    • Essence
    • 27K mi
    37,000
    See payment
    Good Price
    Suntrup Buick GMC
    • 8.41 mi. away
    Call
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