Used GMC Diesel Truck for Sale

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    Sponsored by JOHNSON AUTO PLAZA
    Certified 2021 GMC Sierra 2500 Denali
    62,488
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    Great Price
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    JOHNSON AUTO PLAZA
    • (720) 896-2027
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    18 Matches

    Used 2015 GMC Sierra 3500 Denali w/ Duramax Plus Package
    Used
    • Denali
    • 125K mi
    39,995
    Used 2022 GMC Sierra 3500 Denali w/ Denali Ultimate Package
    Used
    • Denali
    • 53K mi
    66,495
    Used 2024 GMC Sierra 2500 Denali
    Used
    • Denali
    • 76K mi
    64,624
    Used 2014 GMC Sierra 2500 SLT w/ Suspension Package, Off-Road
    Used
    • SLT
    • 131K mi
    29,998
    Used 2021 GMC Sierra 3500 Denali w/ Denali Ultimate Package
    Used
    • Denali
    • 43K mi
    57,994
    Great Price
    Used 2019 GMC Sierra 2500 Denali w/ Duramax Plus Package
    Used
    • Denali
    • 57K mi
    53,624
    Great Price
    Used 2022 GMC Sierra 1500 Denali Ultimate
    Used
    • Denali Ultimate
    • 26K mi
    59,995
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    Used 2020 GMC Sierra 2500 AT4 w/ AT4 Premium Package
    49,786
    Great Price
    Used 2015 GMC Sierra 3500 Denali w/ Duramax Plus Package
    Used
    • Denali
    • 125K mi
    39,995
    Item 1 of 4.
    Used
    • Denali
    • 57K mi
    53,624
    Great Price
    Used 2022 GMC Sierra 3500 Denali w/ Denali Ultimate Package
    Used
    • Denali
    • 53K mi
    66,495
    Used 2022 GMC Sierra 1500 AT4 w/ Technology Package
    41,994
    Great Price
    Used 2018 GMC Sierra 3500 Denali w/ Duramax Plus Package
    Used
    • Denali
    • 157K mi
    39,594
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    Used 2012 GMC Sierra 2500 SLE w/ SLE Preferred Package
    Used
    • SLE
    • 166K mi
    22,596
    Used 2024 GMC Sierra 2500 Denali
    Used
    • Denali
    • 76K mi
    64,624
    Used 2017 GMC Sierra 2500 Denali w/ Duramax Plus Package
    Used
    • Denali
    • 70K mi
    49,594
    Used 2015 GMC Sierra 2500 SLT w/ Duramax Plus Package
    Used
    • SLT
    • 143K mi
    34,995
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    Used 2025 GMC Sierra 2500 AT4 w/ AT4 Premium Plus Package
    66,237
    Used 2025 GMC Sierra 3500 Denali
    Used
    • Denali
    • 31K mi
    70,936
    Used 2023 GMC Sierra 1500 Denali w/ Denali Reserve Package
    Used
    • Denali
    • 37K mi
    50,299
    Used 2023 GMC Sierra 3500 AT4 w/ AT4 Premium Plus Package
    61,999
    Used 2024 GMC Sierra 2500 AT4 w/ Technology Package
    69,493
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