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Used Buick Cars for Sale in O'fallon, MO

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Items 1 to 2 of 10.
    Sponsored by O'Fallon Buick GMC
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    Newly Listed
    Used 2023 Buick Enclave Essence
    29,599
    Great Price
    Dealer Fees Included
    O'Fallon Buick GMC
    (636) 385-5436
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    86View Vehicles

    372 Matches

    Price Drop
    Used 2023 Buick Enclave Avenir w/ Avenir Technology Package
    Used

    2023 Buick Enclave

    • Avenir
    • 110K mi
    26,878
    Great Price
    Dealer Fees Included
    Sponsored by Dave Sinclair Buick GMC
    • 25.56 mi. away
    • Online Paperwork
    • Delivery
    Call
    Used 2025 Buick Envista Sport Touring w/ Convenience I Package
    Used

    2025 Buick Envista

    • Sport Touring
    • 15K mi
    25,986
    Great Price
    Dealer Fees Included
    No Accidents
    Sponsored by Bommarito West County
    • 13.62 mi. away
    • Online Paperwork
    Call
    Used 2024 Buick Encore GX Preferred
    Used

    2024 Buick Encore GX

    • Preferred
    • 71K mi
    17,895
    Sponsored by MINI of St. Louis
    • 23.43 mi. away
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    Based on 4.5% APR for mos.
    Used 2026 Buick Enclave Preferred
    Used

    2026 Buick Enclave

    • Preferred
    • 22K mi
    42,154
    No Accidents
    Quality Buick GMC Cadillac
    • 32.07 mi. away
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    Used 2025 Buick Enclave Preferred
    Used

    2025 Buick Enclave

    • Preferred
    • 33K mi
    34,277
    No Accidents
    Serra Honda O'Fallon
    • 43.96 mi. away
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    Used 2023 Buick Envision Essence
    Used

    2023 Buick Envision

    • Essence
    • 55K mi
    25,596
    Great Price
    Dealer Fees Included
    No Accidents
    Bommarito West County
    • 13.62 mi. away
    • Online Paperwork
    Call
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    Used 2022 Buick Encore GX Select
    Used

    2022 Buick Encore GX

    • Select
    • 30K mi
    21,821
    Great Price
    Dealer Fees Included
    No Accidents
    Clement Supercenter
    • 9.4 mi. away
    Call
    Used 2019 Buick Encore Preferred
    Used

    2019 Buick Encore

    • Preferred
    • 88K mi
    13,560
    Dealer Fees Included
    No Accidents
    Clement Ford
    • 6.69 mi. away
    Call
    Sponsored
    Item 1 of 4.
    Used 2019 Buick Encore Preferred
    MUST SEE QUALITY PRE OWNED VEHICLE!
    Used

    2019 Buick Encore

    • Preferred
    • 94K mi
    14,154
    Call
    Used 2025 Buick Encore GX Preferred
    Used

    2025 Buick Encore GX

    • Preferred
    • 26K mi
    21,812
    Good Price
    Dealer Fees Included
    No Accidents
    Clement Ford
    • 6.69 mi. away
    Call
    Price Drop
    Used 2025 Buick Encore GX Preferred
    Used

    2025 Buick Encore GX

    • Preferred
    • 38K mi
    23,071
    Good Price
    Dealer Fees Included
    No Accidents
    Clement Pre-Owned (Florissant)
    • 22.14 mi. away
    Call
    Newly Listed
    No Image Available
    Used

    2023 Buick Enclave

    • Avenir
    • 9K mi
    42,763
    Great Price
    Dealer Fees Included
    No Accidents
    Auffenberg Auto Mall
    • 42.59 mi. away
    Call
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    Used 2024 Buick Encore GX Preferred
    Used

    2024 Buick Encore GX

    • Preferred
    • 14K mi
    22,371
    Great Price
    Dealer Fees Included
    Clement Chrysler Dodge Jeep Ram Florissant
    • 22.38 mi. away
    Call
    Used 2025 Buick Envista Preferred
    Used

    2025 Buick Envista

    • Preferred
    • 24K mi
    24,421
    Dealer Fees Included
    Clement Chrysler Dodge Jeep Ram Florissant
    • 22.38 mi. away
    Call
    Newly Listed
    No Image Available
    Used

    2020 Buick Enclave

    • Avenir
    • 93K mi
    23,362
    No Accidents
    Quality Buick GMC Cadillac
    • 32.07 mi. away
    Call
    Newly Listed
    No Image Available
    Used

    2023 Buick Envision

    • Essence
    • 10K mi
    30,362
    No Accidents
    Quality Buick GMC Cadillac
    • 32.07 mi. away
    Call
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    Used 2022 Buick Encore GX Preferred w/ Cold Weather Comfort Package
    Used

    2022 Buick Encore GX

    • Preferred
    • 83K mi
    17,380
    Dealer Fees Included
    No Accidents
    Clement Hyundai
    • 8.75 mi. away
    Call
    Used 2025 Buick Encore GX Preferred
    Used

    2025 Buick Encore GX

    • Preferred
    • 46K mi
    22,221
    Good Price
    Dealer Fees Included
    No Accidents
    Clement Pre-Owned (Florissant)
    • 22.14 mi. away
    Call
    Price Drop
    Used 2025 Buick Encore GX Preferred
    Used

    2025 Buick Encore GX

    • Preferred
    • 36K mi
    23,121
    Dealer Fees Included
    No Accidents
    Clement Pre-Owned (Florissant)
    • 22.14 mi. away
    Call
    Price Drop
    Used 2025 Buick Enclave Avenir w/ Super Cruise Package
    Used

    2025 Buick Enclave

    • Avenir
    • 24K mi
    44,972
    Great Price
    Dealer Fees Included
    No Accidents
    Dave Mungenast St. Louis Honda
    • 26.03 mi. away
    • Online Paperwork
    Call
    Newly Listed
    Used 2021 Buick Enclave Avenir w/ Avenir Technology Package
    Used

    2021 Buick Enclave

    • Avenir
    • 85K mi
    26,600
    Dealer Fees Included
    E C of ST LOUIS CDJR LLC
    • 17.08 mi. away
    Call
    Used 2024 Buick Envista Preferred w/ Convenience I Package
    Used

    2024 Buick Envista

    • Preferred
    • 26K mi
    23,621
    Great Price
    Dealer Fees Included
    No Accidents
    Clement Supercenter
    • 9.4 mi. away
    Call
    360°
    Used 2022 Buick Encore GX Preferred w/ Cold Weather Comfort Package
    Used

    2022 Buick Encore GX

    • Preferred
    • 83K mi
    17,380
    Dealer Fees Included
    No Accidents
    Sponsored by Clement Hyundai
    • 8.75 mi. away
    Call
    Price Drop
    Used 2024 Buick Encore GX Avenir w/ Avenir Convenience Package
    Used

    2024 Buick Encore GX

    • Avenir
    • 20K mi
    26,037
    Great Price
    Dealer Fees Included
    No Accidents
    Dealer
    • 26.03 mi. away
    • Online Paperwork
    Call
    Used 2024 Buick Envista Avenir
    Used

    2024 Buick Envista

    • Avenir
    • 2K mi
    28,659
    Great Price
    Dealer Fees Included
    No Accidents
    Jack Schmitt Chevrolet
    • 35.97 mi. away
    Call
    Used 2023 Buick Enclave Avenir w/ Avenir Technology Package
    Used

    2023 Buick Enclave

    • Avenir
    • 56K mi
    33,196
    Good Price
    Dealer Fees Included
    No Accidents
    Bommarito West County
    • 13.62 mi. away
    • Online Paperwork
    Call
    Price Drop
    Used 2026 Buick Envista Avenir
    Used

    2026 Buick Envista

    • Avenir
    • 371 mi
    29,989
    Great Price
    Dealer Fees Included
    No Accidents
    Dealer
    • 23.21 mi. away
    • Online Paperwork
    Call
    Used 2026 Buick Encore GX Preferred w/ Comfort Package
    Used

    2026 Buick Encore GX

    • Preferred
    • 2K mi
    24,359
    Good Price
    Dealer Fees Included
    No Accidents
    Jack Schmitt Chevrolet
    • 35.97 mi. away
    Call
    Used 2025 Buick Encore GX Preferred
    Used

    2025 Buick Encore GX

    • Preferred
    • 39K mi
    22,899
    Dealer Fees Included
    No Accidents
    Behlmann Chrysler Dodge Jeep Ram
    • 21.18 mi. away
    Call
    Newly Listed
    Used 2019 Buick Enclave Essence w/ Trailering Package, 5000 lbs.
    Used

    2019 Buick Enclave

    • Essence
    • 104K mi
    17,236
    Dealer Fees Included
    No Accidents
    Dealer
    • 13.62 mi. away
    • Online Paperwork
    Call
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