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Best Deals on Used Buick Cars for Sale in O Fallon, MO

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Items 1 to 2 of 13.

    258 Matches

    Certified 2024 Buick Enclave Avenir w/ Avenir Technology Package
     CarBravo Certified
    • Avenir
    • 38K mi
    40,214
    See payment
    Great Price
    Price Drop
    Used 2023 Buick Encore GX Preferred w/ Cold Weather Comfort Package
    Used
    • Preferred
    • 12K mi
    21,271
    See payment
    Good Price
    High Demand
    Used 2025 Buick Envista Preferred
    Used
    • Preferred
    • 9K mi
    22,900
    See payment
    Great Price
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    Based on 4.5% APR for mos.Update Settings
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    Used 2024 Buick Envista Preferred w/ Advanced Safety Package
    Used
    • Preferred
    • 40K mi
    21,990
    See payment
    Good Price
    Newly Listed
    Used 2017 Buick Encore Essence
    Used
    • Essence
    • 63K mi
    12,591
    See payment
    Great Price
    Price Drop
    Used 2023 Buick Encore GX Select w/ Sport Touring Package
    Used
    • Select
    • 43K mi
    20,373
    See payment
    Great Price
    Price Drop
    Used 2023 Buick Encore GX Preferred w/ Cold Weather Comfort Package
    Used
    • Preferred
    • 31K mi
    22,522
    See payment
    Good Price
    Sponsored
    Used
    • Avenir
    • 59K mi
    38,591
    See payment
    Good Price
    Price Drop
    Used 2025 Buick Enclave Preferred
    Used
    • Preferred
    • 17K mi
    35,735
    See payment
    Great Price
    High Demand
    Used 2025 Buick Envista Preferred
    Used
    • Preferred
    • 9K mi
    22,900
    See payment
    Great Price
    High Demand
    Used 2026 Buick Enclave Preferred w/ LPO, Floor Liner Package
    Used
    • Preferred
    • 2K mi
    43,500
    See payment
    Great Price
    Price Drop
    Used 2023 Buick Encore GX Select w/ Sport Touring Package
    Used
    • Select
    • 59K mi
    17,495
    See payment
    Great Price
    360°
    Used 2023 Buick Envision Avenir
    Used
    • Avenir
    • 42K mi
    29,313
    See payment
    Good Price
    Price Drop360°
    Used 2024 Buick Enclave Essence
    Used
    • Essence
    • 19K mi
    33,765
    See payment
    Good Price
    360°
    Used 2024 Buick Enclave Essence w/ Experience Buick Package
    Used
    • Essence
    • 27K mi
    37,000
    See payment
    Good Price
    Newly Listed
    Used 2016 Buick Enclave Leather
    Used
    • Leather
    • 85K mi
    14,500
    See payment
    Great Price
    Used 2023 Buick Enclave Essence w/ Experience Buick Package
    Used
    • Essence
    • 18K mi
    35,840
    See payment
    Good Price
    Price Drop
    Used 2024 Buick Envista Sport Touring w/ Convenience I Package
    Used
    • Sport Touring
    • 31K mi
    25,379
    See payment
    Good Price
    Used 2024 Buick Encore GX Preferred
    Used
    • Preferred
    • 17K mi
    22,378
    See payment
    Good Price
    Used 2023 Buick Envision Essence w/ Sport Touring Package
    Used
    • Essence
    • 17K mi
    30,156
    See payment
    Good Price
    Price Drop
    Used 2025 Buick Enclave Preferred
    Used
    • Preferred
    • 33K mi
    32,483
    See payment
    Great Price
    Used 2023 Buick Encore GX Preferred w/ Cold Weather Comfort Package
    Used
    • Preferred
    • 31K mi
    20,368
    See payment
    Great Price
    Used 2024 Buick Envista Sport Touring
    Used
    • Sport Touring
    • 17K mi
    24,600
    See payment
    Great Price
    Used 2022 Buick Envision Avenir w/ Technology Package II
    Used
    • Avenir
    • 24K mi
    28,500
    See payment
    Great Price
    Used 2024 Buick Enclave Essence w/ Technology Package
    Used
    • Essence
    • 47K mi
    29,725
    See payment
    Good Price
    Price Drop
    Used 2024 Buick Enclave Essence w/ LPO, Touring Package
    Used
    • Essence
    • 25K mi
    30,900
    See payment
    Great Price
    Used 2025 Buick Envista Sport Touring w/ Convenience I Package
    Used
    • Sport Touring
    • 22K mi
    24,899
    See payment
    Great Price
    Used 2024 Buick Envision Avenir
    Used
    • Avenir
    • 19K mi
    35,478
    See payment
    Great Price

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