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Used GMC Sierra 2500 for Sale in Boulder, CO

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Items 1 to 2 of 10.
    Sponsored by O'Meara GMC
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    Used 2024 GMC Sierra 2500 AT4 w/ AT4 Premium Plus Package
    67,680
    O'Meara GMC
    (720) 702-3361
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    75View Vehicles

    123 Matches

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    Certified 2022 GMC Sierra 2500 SLE w/ SLE Convenience Package

    2022 GMC Sierra 2500

    • SLE
    • 47K mi
    44,438
    Great Price
    Dealer Fees Included
    No Accidents
    Sponsored by Mike Maroone Chevrolet GMC Longmont
    • 16.63 mi. away
    Call
    Used 2024 GMC Sierra 2500 AT4 w/ AT4 Preferred Package
    Used

    2024 GMC Sierra 2500

    • AT4
    • 56K mi
    65,690
    Great Price
    Dealer Fees Included
    No Accidents
    Sponsored by AutoNation Chevrolet North
    • 20.81 mi. away
    Call
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    Used 2022 GMC Sierra 2500 Denali
    Used

    2022 GMC Sierra 2500

    • Denali
    • 52K mi
    57,288
    No Accidents
    Sponsored by O'Meara GMC
    • 17.45 mi. away
    • Online Paperwork
    • Delivery
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    $

    Based on 4.5% APR for mos.
    Certified 2020 GMC Sierra 2500 SLT w/ SLT Premium Plus Package

    2020 GMC Sierra 2500

    • SLT
    • 52K mi
    53,593
    Great Price
    Dealer Fees Included
    No Accidents
    Transwest GMC
    • 23.12 mi. away
    Call
    Price Drop
    Used 2016 GMC Sierra 2500 Denali w/ Duramax Plus Package
    Used

    2016 GMC Sierra 2500

    • Denali
    • 74K mi
    42,990
    Great Price
    Dealer Fees Included
    No Accidents
    AutoNation Chrysler Jeep West
    • 20.99 mi. away
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    New 2026 GMC Sierra 2500 Denali Ultimate
    Consider Buying New

    2026 GMC Sierra 2500

    • Denali Ultimate
    • 6 mi
    94,204
    Castle Rock Chevrolet GMC
    • 51.03 mi. away
    Call
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    Newly Listed
    Used 2018 GMC Sierra 2500 Denali w/ Snow Plow Prep Package
    Used

    2018 GMC Sierra 2500

    • Denali
    • 83K mi
    38,301
    Good Price
    Dealer Fees Included
    AutoNation USA Denver 104
    • 18.08 mi. away
    Call
    Sponsored
    Item 1 of 4.
    Used 2024 GMC Sierra 2500 AT4 w/ AT4 Premium Plus Package
    Used

    2024 GMC Sierra 2500

    • AT4
    • 14K mi
    68,396
    Great Price
    Dealer Fees Included
    No Accidents
    Call
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    Used 2026 GMC Sierra 2500 AT4X w/ LPO, Black Badging Package
    Used

    2026 GMC Sierra 2500

    • AT4X
    • 7K mi
    86,496
    Dealer Fees Included
    No Accidents
    Foundation KIA
    • 18.47 mi. away
    • Online Paperwork
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    Used 2026 GMC Sierra 2500 Denali Ultimate
    Used

    2026 GMC Sierra 2500

    • Denali Ultimate
    • 698 mi
    89,896
    Dealer Fees Included
    No Accidents
    Foundation KIA
    • 18.47 mi. away
    • Online Paperwork
    Call
    Price Drop
    Certified 2022 GMC Sierra 2500 SLE w/ SLE Convenience Package

    2022 GMC Sierra 2500

    • SLE
    • 47K mi
    44,438
    Great Price
    Dealer Fees Included
    No Accidents
    Mike Maroone Chevrolet GMC Longmont
    • 16.63 mi. away
    Call
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    Used 2023 GMC Sierra 2500 AT4 w/ Gooseneck/5TH Wheel Package
    Used

    2023 GMC Sierra 2500

    • AT4
    • 72K mi
    49,593
    Great Price
    Dealer Fees Included
    No Accidents
    Transwest GMC
    • 23.12 mi. away
    Call
    Price Drop
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    Used 2024 GMC Sierra 2500 AT4 w/ AT4 Premium Plus Package
    Used

    2024 GMC Sierra 2500

    • AT4
    • 9K mi
    67,680
    O'Meara GMC
    • 17.45 mi. away
    • Online Paperwork
    • Delivery
    Call
    Used 2025 GMC Sierra 2500 Denali w/ Denali Reserve Package
    Used

    2025 GMC Sierra 2500

    • Denali
    • 7K mi
    76,879
    Good Price
    Dealer Fees Included
    No Accidents
    AutoNation Buick GMC Park Meadows
    • 37.69 mi. away
    Call
    Price Drop
    Used 2008 GMC Sierra 2500 SLT w/ Z71 Off-Road Package
    Used

    2008 GMC Sierra 2500

    • SLT
    • 161K mi
    20,990
    Dealer Fees Included
    No Accidents
    AutoNation Buick GMC West
    • 20.98 mi. away
    Call
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    Used 2024 GMC Sierra 2500 AT4X w/ AT4X AEV Edition
    Used

    2024 GMC Sierra 2500

    • AT4X
    • 17K mi
    80,240
    Dealer Fees Included
    No Accidents
    Land Rover Denver
    • 32.85 mi. away
    Call
    Used 2021 GMC Sierra 2500 Denali w/ Denali Black Diamond Edition
    Used

    2021 GMC Sierra 2500

    • Denali
    • 39K mi
    58,498
    Great Price
    Dealer Fees Included
    No Accidents
    Larry H. Miller Chrysler Dodge Jeep RAM 104th
    • 17.55 mi. away
    Call
    Used 2026 GMC Sierra 2500 AT4X w/ Snow Plow Prep/Camper Package
    Used

    2026 GMC Sierra 2500

    • AT4X
    • 5K mi
    80,697
    Great Price
    Dealer Fees Included
    No Accidents
    Foundation Chevrolet CADILLAC
    • 18.45 mi. away
    Call
    Used 2024 GMC Sierra 2500 AT4 w/ AT4 Premium Plus Package
    Used

    2024 GMC Sierra 2500

    • AT4
    • 14K mi
    68,396
    Great Price
    Dealer Fees Included
    No Accidents
    Crossroads Hyundai
    • 32.44 mi. away
    • Online Paperwork
    • Delivery
    Call
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    Used 2023 GMC Sierra 2500 AT4 w/ AT4 Preferred Package
    Used

    2023 GMC Sierra 2500

    • AT4
    • 111K mi
    46,796
    Great Price
    Dealer Fees Included
    No Accidents
    Foundation KIA
    • 18.47 mi. away
    • Online Paperwork
    Call
    Used 2023 GMC Sierra 2500 AT4
    Used

    2023 GMC Sierra 2500

    • AT4
    • 31K mi
    53,999
    Great Price
    Dealer Fees Included
    No Accidents
    AutoNation Buick GMC West
    • 20.98 mi. away
    Call
    Price Drop
    360°
    Used 2020 GMC Sierra 2500 Denali
    Used

    2020 GMC Sierra 2500

    • Denali
    • 51K mi
    53,990
    No Accidents
    O'Meara Ford
    • 18.28 mi. away
    Call
    Used 2024 GMC Sierra 2500 AT4 w/ AT4 Preferred Package
    Used

    2024 GMC Sierra 2500

    • AT4
    • 56K mi
    65,690
    Great Price
    Dealer Fees Included
    No Accidents
    AutoNation Chevrolet North
    • 20.81 mi. away
    Call
    Used 2026 GMC Sierra 2500 Denali w/ Denali Reserve Package
    Used

    2026 GMC Sierra 2500

    • Denali
    • 2K mi
    125,000
    No Accidents
    Private Seller Exchange
    • 21.35 mi. away
    • Buy Online. Clean title. No Hassle
    Used 2024 GMC Sierra 2500 Denali Ultimate w/ Max Trailering Package
    Used

    2024 GMC Sierra 2500

    • Denali Ultimate
    • 8K mi
    82,380
    Dealer Fees Included
    No Accidents
    Land Rover Denver
    • 32.85 mi. away
    Call
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    Used 2022 GMC Sierra 2500 Denali
    Used

    2022 GMC Sierra 2500

    • Denali
    • 52K mi
    57,288
    No Accidents
    O'Meara GMC
    • 17.45 mi. away
    • Online Paperwork
    • Delivery
    Call
    Used 2022 GMC Sierra 2500 Denali
    Used

    2022 GMC Sierra 2500

    • Denali
    • 66K mi
    54,999
    Great Price
    Dealer Fees Included
    No Accidents
    AutoNation Buick GMC Park Meadows
    • 37.69 mi. away
    Call
    Price Drop
    Used 2025 GMC Sierra 2500 Denali w/ Max Trailering Package
    Used

    2025 GMC Sierra 2500

    • Denali
    • 13K mi
    72,999
    Dealer Fees Included
    No Accidents
    AutoNation Buick GMC Park Meadows
    • 37.69 mi. away
    Call
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