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Best Deals on Used Buick Cars for Sale in Oswego, IL

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    346 Matches

    Certified 2025 Buick Encore GX Preferred
     CarBravo Certified
    • Preferred
    • 19K mi
    23,995
    See payment
    Great Price
    Used 2022 Buick Envision Essence w/ Technology Package I
    Used
    • Essence
    • 58K mi
    23,957
    See payment
    Good Price
    360°
    Certified 2023 Buick Encore GX Select w/ Sport Touring Package
     CarBravo Certified
    • Select
    • 31K mi
    20,658
    See payment
    Great Price
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    Based on 4.5% APR for mos.Update Settings
    Newly Listed
    Used 2014 Buick Enclave Leather w/ Trailering Provision Package
    Used
    • Leather
    • 85K mi
    11,977
    See payment
    Great Price
    Newly Listed
    Used 2023 Buick Encore GX Preferred w/ Cold Weather Comfort Package
    Used
    • Preferred
    • 8K mi
    20,197
    See payment
    Great Price
    Newly Listed
    Used 2021 Buick Encore GX Essence w/ Experience Buick Package
    Used
    • Essence
    • 41K mi
    21,817
    See payment
    Great Price
    Certified 2024 Buick Encore GX Sport Touring w/ Comfort Package
    Certified
    • Sport Touring
    • 34K mi
    22,000
    See payment
    Great Price
    Sponsored360°
    Used
    • Essence
    • 23K mi
    28,991
    See payment
    Good Price
    Certified 2023 Buick Encore GX Select w/ Experience Buick Package
    Certified
    • Select
    • 32K mi
    22,000
    See payment
    Great Price
    Certified 2023 Buick Enclave Essence w/ Experience Buick Package
    Certified
    • Essence
    • 41K mi
    29,000
    See payment
    Great Price
    Certified 2021 Buick Enclave Premium w/ Sun and Sites Package
    Certified
    • Premium
    • 30K mi
    29,000
    See payment
    Great Price
    Certified 2023 Buick Enclave Essence w/ Experience Buick Package
    Certified
    • Essence
    • 29K mi
    31,000
    See payment
    Great Price
    Certified 2024 Buick Enclave Essence w/ Experience Buick Package
    Certified
    • Essence
    • 22K mi
    35,500
    See payment
    Great Price
    Certified 2024 Buick Enclave Avenir w/ Trailering Package, 5000 lbs.
    Certified
    • Avenir
    • 26K mi
    42,000
    See payment
    Great Price
    360°
    Used 2023 Buick Enclave Essence
    Used
    • Essence
    • 46K mi
    29,774
    See payment
    Good Price
    Newly Listed360°
    Used 2023 Buick Encore GX Select w/ Sport Touring Package
    Used
    • Select
    • 28K mi
    19,875
    See payment
    Great Price
    Used 2014 Buick Encore Premium
    Used
    • Premium
    • 85K mi
    10,975
    See payment
    Good Price
    Newly Listed
    Used 2023 Buick Envision Avenir
    Used
    • Avenir
    • 32K mi
    29,899
    See payment
    Good Price
    High Demand
    Used 2024 Buick Envista Sport Touring w/ Convenience I Package
    Used
    • Sport Touring
    • 17K mi
    25,972
    See payment
    Good Price
    High Demand
    Used 2024 Buick Envista Sport Touring w/ Convenience I Package
    Used
    • Sport Touring
    • 15K mi
    26,372
    See payment
    Good Price
    Newly Listed
    Certified 2023 Buick Envision Preferred w/ Sport Touring Package
    Certified
    • Preferred
    • 23K mi
    27,524
    See payment
    Good Price
    Newly Listed
    Certified 2023 Buick Envision Avenir
    Certified
    • Avenir
    • 30K mi
    32,030
    See payment
    Good Price
    Used 2024 Buick Encore GX Avenir w/ Avenir Convenience Package
    Ford Blue Certified
    • Avenir
    • 36K mi
    24,999
    See payment
    Great Price
    Newly Listed
    Used 2025 Buick Encore GX Preferred
    Used
    • Preferred
    • 35K mi
    20,626
    See payment
    Great Price
    Newly Listed
    Used 2025 Buick Encore GX Preferred
    Used
    • Preferred
    • 27K mi
    21,364
    See payment
    Great Price
    Newly Listed
    Used 2025 Buick Encore GX Preferred
    Used
    • Preferred
    • 25K mi
    21,514
    See payment
    Great Price
    Newly Listed
    Used 2025 Buick Encore GX Preferred
    Used
    • Preferred
    • 26K mi
    21,516
    See payment
    Great Price
    Newly Listed
    Used 2025 Buick Encore GX Preferred
    Used
    • Preferred
    • 27K mi
    21,575
    See payment
    Great Price

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