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Used GMC Diesel Truck for Sale in Denver, CO

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Items 1 to 2 of 15.
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    Used 2021 GMC Sierra 3500 AT4 w/ AT4 Premium Plus Package
    55,280
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    Used 2024 GMC Sierra 1500 Denali w/ Denali Reserve Package
    Used
    • Denali
    • 45K mi
    51,598
    Great Price
    Used 2026 GMC Sierra 1500 Denali Ultimate
    Used
    • Denali Ultimate
    • 10K mi
    74,095
    Used 2026 GMC Sierra 1500 Denali Ultimate
    Used
    • Denali Ultimate
    • 4K mi
    72,797
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    Based on 4.5% APR for mos.
    Used 2010 GMC Sierra 2500 SLE w/ Suspension Package, Off-Road
    Used
    • SLE
    • 154K mi
    25,000
    Used 2024 GMC Sierra 1500 Elevation w/ X31 Off-Road Package
    • Elevation
    • 17K mi
    47,499
    Great Price
    New 2026 GMC Sierra 1500 AT4 w/ AT4 Premium Package
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    Used 2024 GMC Sierra 1500 Denali w/ Technology Package
    Used
    • Denali
    • 12K mi
    56,849
    Great Price
    Item 1 of 4.
    45,471
    Used 2025 GMC Sierra 1500 Denali w/ Technology Package
    Used
    • Denali
    • 5K mi
    57,849
    Great Price
    Used 2021 GMC Sierra 1500 AT4 w/ AT4 Preferred Package
    42,900
    Used 2016 GMC Sierra 2500 Denali w/ Duramax Plus Package
    Used
    • Denali
    • 72K mi
    46,500
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    Used 2009 GMC Sierra 2500 SLE
    Used
    • SLE
    • 196K mi
    16,000
    Great Price
    Used 2022 GMC Sierra 1500 AT4 w/ Technology Package
    • AT4
    • 59K mi
    45,300
    Good Price
    Used 2023 GMC Sierra 2500 AT4 w/ AT4 Preferred Package
    64,199
    Great Price
    Used 2021 GMC Sierra 2500 Denali w/ Denali Black Diamond Edition
    Used
    • Denali
    • 39K mi
    62,999
    Good Price
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    Used 2018 GMC Terrain SLE
    • SLE
    • 84K mi
    12,899
    Good Price
    Used 2022 GMC Sierra 3500 Denali w/ Denali Ultimate Package
    Used
    • Denali
    • 21K mi
    66,344
    Great Price
    Used 2024 GMC Sierra 3500 SLT w/ SLT Convenience Package
    67,743
    Great Price
    Used 2023 GMC Sierra 3500 Denali w/ Denali Black Diamond Edition
    Used
    • Denali
    • 26K mi
    69,166
    Great Price
    Used 2026 GMC Sierra 1500 SLE
    48,875
    Used 2024 GMC Sierra 1500 Denali w/ Denali Reserve Package
    Used
    • Denali
    • 25K mi
    56,789
    Great Price
    Used 2022 GMC Sierra 2500 Denali
    Used
    • Denali
    • 104K mi
    49,999
    Great Price
    Used 2013 GMC Sierra 3500 W/T
    Used
    • W/T
    • 195K mi
    16,500
    Used 2019 GMC Sierra 3500 Denali w/ LPO, Protection Package
    Used
    • Denali
    • 96K mi
    42,799
    Great Price
    Used 2017 GMC Sierra 3500 Denali w/ Duramax Plus Package
    Used
    • Denali
    • 140K mi
    38,500
    Used 2024 GMC Sierra 3500 AT4 w/ AT4 Premium Plus Package
    • AT4
    • 24K mi
    72,499
    Good Price
    Used 2024 GMC Sierra 1500 Elevation w/ LPO, Elevation Black Package
    Used
    • Elevation
    • 22K mi
    49,712
    Good Price
    Used 2022 GMC Sierra 3500 Denali w/ Denali Ultimate Package
    Used
    • Denali
    • 38K mi
    64,196
    Good Price
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