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Used Buick Regal for Sale in O'fallon, MO

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    O'Fallon Buick GMC
    Used 2024 Buick Envista Preferred w/ Convenience II Package
    Used 2024 Buick Envista Preferred w/ Convenience II Package$23,599
    Used 2025 Buick Envista Sport Touring w/ Convenience I Package
    Used 2025 Buick Envista Sport Touring w/ Convenience I Package$26,599
    New 2026 Buick Envista Sport Touring w/ Convenience I Package
    New 2026 Buick Envista Sport Touring w/ Convenience I Package$28,793
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    7 Matches

    Used 2017 Buick Regal Premium w/ Driver Confidence Package #1
    Used

    2017 Buick Regal

    • Premium
    • 85K mi
    15,014
    Dealer Fees Included
    No Accidents
    Sponsored by Auffenberg Auto Mall
    • 42.59 mi. away
    Call
    Used 2017 Buick Regal Sport Touring
    Used

    2017 Buick Regal

    • Sport Touring
    • 53K mi
    15,994
    Dealer Fees Included
    Sponsored by Dean Team Hyundai
    • 15.11 mi. away
    • Online Paperwork
    Call
    Used 2017 Buick Regal Sport Touring
    Used

    2017 Buick Regal

    • Sport Touring
    • 53K mi
    15,994
    Dealer Fees Included
    Dean Team Hyundai
    • 15.11 mi. away
    • Online Paperwork
    Call
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    $

    Based on 4.5% APR for mos.
    Used 2020 Buick Regal GS w/ GS Driver Confidence Package
    Used

    2020 Buick Regal

    • GS
    • 108K mi
    20,488
    No Accidents
    Jim Butler KIA
    • 7.98 mi. away
    • Delivery
    Call
    Used 2016 Buick Regal
    Used

    2016 Buick Regal

    • 123K mi
    9,236
    Dealer Fees Included
    No Accidents
    Springer Auto Sales
    • 45.04 mi. away
    Call
    Used 2017 Buick Regal Premium w/ Driver Confidence Package #1
    Used

    2017 Buick Regal

    • Premium
    • 85K mi
    15,014
    Dealer Fees Included
    No Accidents
    Auffenberg Auto Mall
    • 42.59 mi. away
    Call
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    Used 2018 Buick Regal Preferred
    Used

    2018 Buick Regal

    • Preferred
    • 73K mi
    15,721
    Dealer Fees Included
    No Accidents
    Clement Pre-Owned (Florissant)
    • 22.14 mi. away
    Call
    Price Drop
    Used 2011 Buick Regal CXL w/ RL6 Preferred Equipment Group
    Used

    2011 Buick Regal

    • CXL
    • 128K mi
    5,690
    Mathis Motors LLC
    • 5.85 mi. away
    Call
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    Used

    2013 Buick Regal

    • GS
    • 172K mi
    Contact Dealer For Price
    Dealer Fees Included
    Sapaugh GM Country
    • 38.95 mi. away
    Call
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