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Used GMC Sierra 2500 for Sale in Trumbull, CT

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    Used 2024 GMC Sierra 2500 Denali Ultimate
    Used
    • Denali Ultimate
    • 16K mi
    77,995
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    Great Price
    No Accidents
    Used 2023 GMC Sierra 2500 Denali
    Used
    • Denali
    • 19K mi
    65,891
    See payment
    Great Price
    No Accidents
    Newly Listed
    Used 2016 GMC Sierra 2500 Denali w/ Duramax Plus Package
    Used
    • Denali
    • 42K mi
    49,990
    See payment
    Great Price
    No Accidents
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    Used 2013 GMC Sierra 2500 SLE w/ SLE Preferred Package
    21,998
    See payment
    Great Price
    No Accidents
    Certified 2022 GMC Sierra 2500 Denali w/ Denali Ultimate Package
    Certified
    • Denali
    • 23K mi
    64,988
    See payment
    Great Price
    No Accidents
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    New 2025 GMC Sierra 2500 Pro
    Consider New, Similar Payment
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    Used 2018 GMC Sierra 2500 Denali w/ Duramax Plus Package
    Used
    • Denali
    • 82K mi
    49,995
    See payment
    Great Price
    No Accidents

    How many passenger seats do you need in your truck?
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    Used 2019 GMC Sierra 2500 SLT w/ Duramax Plus Package
    39,999
    See payment
    Great Price
    No Accidents
    Price Drop
    Used 2025 GMC Sierra 2500 AT4
    71,862
    See payment
    No Accidents
    Price Drop
    Used 2024 GMC Sierra 2500 Denali w/ Denali Reserve Package
    Used
    • Denali
    • 17K mi
    72,793
    See payment
    Great Price
    No Accidents
    Price Drop
    Used 2024 GMC Sierra 2500 AT4X
    Used
    • AT4X
    • 30K mi
    75,814
    See payment
    Great Price
    No Accidents
    Used 2020 GMC Sierra 2500 Denali w/ Denali Ultimate Package
    Used
    • Denali
    • 82K mi
    54,995
    See payment
    Good Price
    No Accidents
    Used 2024 GMC Sierra 2500 Denali Ultimate
    Used
    • Denali Ultimate
    • 16K mi
    77,995
    See payment
    Great Price
    No Accidents
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    Used 2021 GMC Sierra 2500 AT4 w/ Snow Plow Prep/Camper Package
    Used
    • AT4
    • 108K mi
    45,437
    See payment
    Good Price
    Used 2024 GMC Sierra 2500 Denali Ultimate w/ Snow Plow Prep/Camper Package
    Used
    • Denali Ultimate
    • 24K mi
    76,691
    See payment
    Great Price
    No Accidents
    Used 2025 GMC Sierra 2500 AT4X w/ AT4X AEV Edition
    85,830
    See payment
    No Accidents
    Used 2020 GMC Sierra 2500 AT4 w/ AT4 Premium Package
    52,988
    See payment
    Great Price
    No Accidents
    Used 2024 GMC Sierra 2500 AT4X
    81,856
    See payment
    Great Price
    No Accidents
    Price Drop
    Used 2025 GMC Sierra 2500 AT4 w/ AT4 Premium Plus Package
    75,988
    See payment
    No Accidents
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    Used 2017 GMC Sierra 2500 SLE w/ HD SLE Preferred Plus Package
    34,950
    See payment
    Good Price
    No Accidents
    Used 2021 GMC Sierra 2500 Denali w/ Denali Ultimate Package
    Used
    • Denali
    • 88K mi
    48,988
    See payment
    Good Price
    Price Drop
    Used 2024 GMC Sierra 2500 SLE w/ SLE Convenience Package
    49,688
    See payment
    Good Price
    No Accidents
    Used 2024 GMC Sierra 2500 AT4 w/ AT4 Premium Plus Package
    65,941
    See payment
    Great Price
    No Accidents
    Used 2024 GMC Sierra 2500 AT4
    69,785
    See payment
    Great Price
    No Accidents
    Used 2024 GMC Sierra 2500 Denali Ultimate
    Used
    • Denali Ultimate
    • 16K mi
    77,995
    See payment
    Great Price
    No Accidents
    Used 2013 GMC Sierra 2500 SLE w/ SLE Preferred Package
    Used
    • SLE
    • 121K mi
    22,995
    See payment
    Great Price
    No Accidents
    Used 2020 GMC Sierra 2500 4x4 Crew Cab w/ Convenience Package
    Used
    • 4x4 Crew Cab
    • 109K mi
    32,950
    See payment
    No Accidents
    Price Drop
    Used 2024 GMC Sierra 2500 Denali Ultimate
    Used
    • Denali Ultimate
    • 20K mi
    76,795
    See payment
    Great Price
    No Accidents
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