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Used Audi A3 for Sale in Saint Charles, MO

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    Used 2015 Audi A3 TDI Premium w/ Cold Weather Package
    Used
    • TDI Premium
    • 129K mi
    11,677
    Certified 2026 Audi A3 2.0T Premium w/ Black Optic Package
    Certified
    • 2.0T Premium
    • 2K mi
    35,888
    Used 2023 Audi A3 2.0T Premium Plus w/ Premium Plus Package
    Used
    • 2.0T Premium Plus
    • 22K mi
    29,333
    Good Price
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    Based on 4.5% APR for mos.
    Used 2023 Audi A3 2.0T Premium Plus w/ Premium Plus Package
    Used
    • 2.0T Premium Plus
    • 27K mi
    28,578
    Great Price
    Used 2024 Audi A3 2.0T Premium w/ Convenience Package
    Used
    • 2.0T Premium
    • 12K mi
    26,117
    Great Price
    Used 2022 Audi A3 2.0T Premium
    Used
    • 2.0T Premium
    • 32K mi
    24,310
    Good Price
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    Used 2023 Audi A3 2.0T Premium Plus w/ Premium Plus Package
    Used
    • 2.0T Premium Plus
    • 22K mi
    29,333
    Good Price
    Used 2023 Audi A3 2.0T Premium Plus w/ Premium Plus Package
    Used
    • 2.0T Premium Plus
    • 20K mi
    29,332
    Great Price
    Used 2023 Audi A3 2.0T Premium Plus w/ Premium Plus Package
    Used
    • 2.0T Premium Plus
    • 15K mi
    29,596
    Great Price
    Certified 2025 Audi A3 2.0T Premium w/ Convenience Package
    Certified
    • 2.0T Premium
    • 8K mi
    34,704
    Good Price
    Used 2020 Audi A3 2.0T Premium
    Used
    • 2.0T Premium
    • 50K mi
    20,565
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    Used 2023 Audi A3 2.0T Premium Plus w/ Premium Plus Package
    Used
    • 2.0T Premium Plus
    • 21K mi
    29,200
    Great Price
    Used 2018 Audi A3 2.0T Premium w/ Convenience Package
    Used
    • 2.0T Premium
    • 62K mi
    16,094
    Great Price
    Used 2015 Audi A3 TDI Premium w/ Cold Weather Package
    Used
    • TDI Premium
    • 129K mi
    11,677
    Certified 2025 Audi A3 2.0T Premium Plus w/ Premium Plus Package
    Certified
    • 2.0T Premium Plus
    • 8K mi
    36,407
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    Used 2015 Audi A3 2.0T Premium Plus w/ Premium Plus Package
    Used
    • 2.0T Premium Plus
    • 125K mi
    9,999
    Used 2026 Audi A3 2.0T Premium w/ Black Optic Package
    Used
    • 2.0T Premium
    • 2K mi
    35,888
    Used 2025 Audi A3 2.0T Premium Plus
    Used
    • 2.0T Premium Plus
    • 13K mi
    31,618
    Certified 2026 Audi A3 2.0T Premium w/ Black Optic Package
    Certified
    • 2.0T Premium
    • 3K mi
    35,888
    Certified 2026 Audi A3 2.0T Premium w/ Black Optic Package
    Certified
    • 2.0T Premium
    • 2K mi
    35,888
    Certified 2026 Audi A3 2.0T Premium w/ Convenience Package
    Certified
    • 2.0T Premium
    • 3K mi
    36,888
    Used 2023 Audi A3 2.0T Premium Plus w/ Premium Plus Package
    Used
    • 2.0T Premium Plus
    • 21K mi
    29,200
    Great Price
    Used 2022 Audi A3 2.0T Premium Plus w/ Premium Plus Package
    Used
    • 2.0T Premium Plus
    • 42K mi
    25,972
    Used 2025 Audi A3 2.0T Premium
    Used
    • 2.0T Premium
    • 16K mi
    32,888
    Used 2018 Audi A3 2.0T Premium
    Used
    • 2.0T Premium
    • 74K mi
    15,921
    Good Price
    Used 2020 Audi A3 2.0T Premium
    Used
    • 2.0T Premium
    • 21K mi
    26,549
    Certified 2023 Audi A3 2.0T Premium Plus w/ Premium Plus Package
    Certified
    • 2.0T Premium Plus
    • 11K mi
    30,495
    Great Price
    Used 2017 Audi A3 e-tron Premium
    Used
    • e-tron Premium
    • 88K mi
    Plug-In Hybrid
    14,878
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