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Used GMC Trucks for Sale in Castle Rock, CO

80104
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Items 1 to 2 of 17.
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    Used 2024 GMC Sierra 1500 Elevation
    43,514
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    Used 2024 GMC Sierra 1500 Elevation w/ X31 Off-Road Package
    Used
    • Elevation
    • 57K mi
    44,699
    Used 2021 GMC Sierra 1500 Elevation w/ LPO, Elevation Black Package
    Used
    • Elevation
    • 111K mi
    29,380
    Used 2022 GMC Sierra 2500 Denali w/ Denali Ultimate Package
    Used
    • Denali
    • 99K mi
    53,000
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    Based on 4.5% APR for mos.
    Used 2021 GMC Canyon Denali
    Used
    • Denali
    • 31K mi
    35,233
    Used 2021 GMC Sierra 1500 SLT w/ SLT Convenience Package
    44,346
    New 2026 GMC Sierra 1500 SLT
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    Used 2008 GMC Sierra 2500 SLT w/ Convenience Package
    Used
    • SLT
    • 201K mi
    17,500
    Item 1 of 4.
    Used
    • Denali
    • 99K mi
    53,000
    Used 2018 GMC Sierra 1500 Denali w/ Denali Ultimate Package
    Used
    • Denali
    • 88K mi
    32,950
    Used 2010 GMC Sierra 2500 SLE w/ Suspension Package, Off-Road
    Used
    • SLE
    • 154K mi
    25,000
    Used 2020 GMC Sierra 2500 AT4 w/ AT4 Premium Package
    • AT4
    • 88K mi
    54,798
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    Used 2026 GMC Sierra 1500 AT4 w/ Technology Package
    65,989
    Used 2017 GMC Sierra 3500 4x4 Crew Cab w/ Sierra Convenience Package
    Used
    • 4x4 Crew Cab
    • 113K mi
    32,700
    Used 2024 GMC Sierra 1500 Elevation
    Used
    • Elevation
    • 22K mi
    42,227
    Used 2016 GMC Canyon SLT
    Used
    • SLT
    • 83K mi
    21,495
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    Used 2017 GMC Canyon Denali
    Used
    • Denali
    • 120K mi
    22,995
    Used 2021 GMC Sierra 1500 AT4 w/ Technology Package
    • AT4
    • 67K mi
    38,998
    Used 2026 GMC Sierra 1500 AT4X
    74,220
    Used 2023 GMC Sierra 1500 Denali Ultimate
    Used
    • Denali Ultimate
    • 28K mi
    60,542
    Used 2017 GMC Sierra 3500 Denali w/ Duramax Plus Package
    Used
    • Denali
    • 140K mi
    38,500
    Used 2019 GMC Sierra 1500 AT4 w/ AT4 Premium Package
    36,295
    Used 2025 GMC Sierra 1500 AT4X
    Used
    • AT4X
    • 14K mi
    69,118
    Used 2023 GMC Sierra 1500 Elevation w/ LPO, Elevation Black Package
    Used
    • Elevation
    • 28K mi
    40,969
    Used 2024 GMC Sierra 1500 Denali w/ Denali Reserve Package
    Used
    • Denali
    • 25K mi
    56,990
    Used 2018 GMC Sierra 1500 SLT
    28,000
    Used 2026 GMC Canyon AT4
    Used
    • AT4
    • 419 mi
    46,000
    Used 2026 GMC Sierra 1500 AT4X w/ AT4X AEV Edition
    Used
    • AT4X
    • 801 mi
    73,461
    Used 2023 GMC Canyon Denali
    Used
    • Denali
    • 27K mi
    43,899
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