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Used GMC Sierra 3500 for Sale in Boulder, CO

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Items 1 to 2 of 8.
    Sponsored by O'Meara GMC
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    New 2026 GMC Sierra 3500 SLE
    69,560
    MSRP$75,810
    Similar Match
    O'Meara GMC
    (720) 702-3601
    Call
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    70View Vehicles

    55 Matches

    Used 2024 GMC Sierra 3500 Denali Ultimate
    Used

    2024 GMC Sierra 3500

    • Denali Ultimate
    • 51K mi
    71,195
    Great Price
    Dealer Fees Included
    No Accidents
    Sponsored by Ken Garff Ford Greeley
    • 37.95 mi. away
    Call
    Used 2026 GMC Sierra 3500 SLE w/ SLE Value Package
    Used

    2026 GMC Sierra 3500

    • SLE
    • 15K mi
    80,000
    No Accidents
    Sponsored by Ghent Chevrolet Cadillac
    • 39.09 mi. away
    Call
    Price Drop
    360°
    Used 2023 GMC Sierra 3500 AT4 w/ AT4 Premium Plus Package

    2023 GMC Sierra 3500

    • AT4
    • 58K mi
    56,699
    Great Price
    Dealer Fees Included
    No Accidents
    Sponsored by Freeway Ford
    • 30.12 mi. away
    Call
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    Trade-In Value
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    $

    Based on 4.5% APR for mos.
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    Certified 2020 GMC Sierra 3500 Denali w/ Denali Ultimate Package

    2020 GMC Sierra 3500

    • Denali
    • 59K mi
    57,008
    Great Price
    Dealer Fees Included
    No Accidents
    Mike Maroone Chevrolet GMC Longmont
    • 16.63 mi. away
    Call
    Price Drop
    Used 2019 GMC Sierra 3500 SLT w/ Driver Alert Package
    Used

    2019 GMC Sierra 3500

    • SLT
    • 102K mi
    42,243
    Dealer Fees Included
    Mike Maroone Chevrolet GMC Longmont
    • 16.63 mi. away
    Call
    New 2026 GMC Sierra 3500 Denali Ultimate w/ LPO, Black Badging Package
    Consider Buying New

    2026 GMC Sierra 3500

    • Denali Ultimate
    • 4 mi
    106,457
    Castle Rock Chevrolet GMC
    • 51.03 mi. away
    Call
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    Newly Listed
    Used 2024 GMC Sierra 3500 Denali Ultimate
    Used

    2024 GMC Sierra 3500

    • Denali Ultimate
    • 13K mi
    80,592
    Dealer Fees Included
    No Accidents
    ClearShift
    • 35.61 mi. away
    Call
    Sponsored
    Item 1 of 4.
    Used 2021 GMC Sierra 3500 Denali w/ Denali Ultimate Package
    Used

    2021 GMC Sierra 3500

    • Denali
    • 40K mi
    63,190
    Good Price
    Dealer Fees Included
    No Accidents
    Call
    Used 2014 GMC Sierra 3500 Denali
    Used

    2014 GMC Sierra 3500

    • Denali
    • 163K mi
    35,487
    Dealer Fees Included
    Family Trucks and Vans
    • 28.79 mi. away
    Call
    Used 2022 GMC Sierra 3500 Denali w/ Denali Ultimate Package
    Used

    2022 GMC Sierra 3500

    • Denali
    • 38K mi
    62,590
    Great Price
    Dealer Fees Included
    No Accidents
    ClearShift
    • 35.61 mi. away
    Call
    Used 2023 GMC Sierra 3500 Denali w/ Denali Black Diamond Edition
    Used

    2023 GMC Sierra 3500

    • Denali
    • 26K mi
    67,592
    Great Price
    Dealer Fees Included
    No Accidents
    ClearShift
    • 35.61 mi. away
    Call
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    Used 2020 GMC Sierra 3500 Denali w/ Denali Ultimate Package
    Used

    2020 GMC Sierra 3500

    • Denali
    • 74K mi
    57,584
    Dealer Fees Included
    No Accidents
    Larry H. Miller Volkswagen Lakewood
    • 21.96 mi. away
    Call
    Price Drop
    360°
    Used 2023 GMC Sierra 3500 AT4 w/ AT4 Premium Plus Package

    2023 GMC Sierra 3500

    • AT4
    • 58K mi
    56,699
    Great Price
    Dealer Fees Included
    No Accidents
    Freeway Ford
    • 30.12 mi. away
    Call
    Used 2026 GMC Sierra 3500 SLT
    Used

    2026 GMC Sierra 3500

    • SLT
    • 400 mi
    76,593
    Dealer Fees Included
    No Accidents
    Transwest GMC
    • 23.12 mi. away
    Call
    Used 2021 GMC Sierra 3500 Denali w/ Denali Ultimate Package
    Used

    2021 GMC Sierra 3500

    • Denali
    • 40K mi
    63,190
    Good Price
    Dealer Fees Included
    No Accidents
    ClearShift
    • 35.61 mi. away
    Call
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    Used 2007 GMC Sierra 3500 SLT w/ Convenience Package
    Used

    2007 GMC Sierra 3500

    • SLT
    • 227K mi
    16,500
    No Accidents
    Private Seller Exchange
    • 24.44 mi. away
    • Buy Online. Clean title. No Hassle
    Used 2019 GMC Sierra 3500 4x4 Crew Cab
    Used

    2019 GMC Sierra 3500

    • 4x4 Crew Cab
    • 89K mi
    26,987
    Great Price
    Dealer Fees Included
    No Accidents
    Family Trucks and Vans
    • 28.79 mi. away
    Call
    Newly Listed
    Used 2022 GMC Sierra 3500 Denali w/ Denali Ultimate Package
    Used

    2022 GMC Sierra 3500

    • Denali
    • 116K mi
    49,394
    Good Price
    Dealer Fees Included
    No Accidents
    AutoNation Buick GMC Park Meadows
    • 37.69 mi. away
    Call
    Price Drop
    Used 2024 GMC Sierra 3500 AT4 w/ AT4 Preferred Package
    Used

    2024 GMC Sierra 3500

    • AT4
    • 49K mi
    64,349
    Great Price
    Dealer Fees Included
    No Accidents
    Prestige Chrysler Dodge Jeep Inc
    • 14.79 mi. away
    Call
    Certified 2025 GMC Sierra 3500 Denali w/ Denali Reserve Package

    2025 GMC Sierra 3500

    • Denali
    • 18K mi
    75,616
    Great Price
    Dealer Fees Included
    No Accidents
    Mike Maroone Chevrolet GMC Longmont
    • 16.63 mi. away
    Call
    Price Drop
    Used 2013 GMC Sierra 3500 SLE w/ SLE Preferred Package
    Used

    2013 GMC Sierra 3500

    • SLE
    • 134K mi
    18,890
    Skyline Mitsubishi
    • 17.38 mi. away
    Call
    Used 2014 GMC Sierra 3500 W/T
    Used

    2014 GMC Sierra 3500

    • W/T
    • 101K mi
    29,991
    Dealer Fees Included
    No Accidents
    AutoNation Toyota Arapahoe
    • 36.95 mi. away
    Call
    Used 2023 GMC Sierra 3500 Denali w/ Denali Ultimate Package
    Used

    2023 GMC Sierra 3500

    • Denali
    • 98K mi
    51,968
    Good Price
    Dealer Fees Included
    No Accidents
    Christopher's Dodge Ram
    • 20.86 mi. away
    Call
    Price Drop
    Used 2024 GMC Sierra 3500 AT4 w/ AT4 Premium Plus Package
    Used

    2024 GMC Sierra 3500

    • AT4
    • 34K mi
    68,583
    Great Price
    Dealer Fees Included
    No Accidents
    ClearShift
    • 35.61 mi. away
    Call
    Price Drop
    Used 2024 GMC Sierra 3500 Denali w/ Technology Package
    Used

    2024 GMC Sierra 3500

    • Denali
    • 57K mi
    69,330
    Great Price
    Dealer Fees Included
    No Accidents
    ClearShift
    • 35.61 mi. away
    Call
    Certified 2024 GMC Sierra 3500 Denali Ultimate

    2024 GMC Sierra 3500

    • Denali Ultimate
    • 7K mi
    82,488
    Great Price
    Dealer Fees Included
    No Accidents
    JOHNSON AUTO PLAZA
    • 24.27 mi. away
    • Delivery
    Call
    Used 2020 GMC Sierra 3500 SLE
    Used

    2020 GMC Sierra 3500

    • SLE
    • 69K mi
    41,476
    Dealer Fees Included
    No Accidents
    ClearShift
    • 35.61 mi. away
    Call
    Newly Listed
    Used 2023 GMC Sierra 3500 Pro w/ Gooseneck/5TH Wheel Package
    Used

    2023 GMC Sierra 3500

    • Pro
    • 65K mi
    55,000
    No Accidents
    Private Seller Exchange
    • 39.38 mi. away
    • Buy Online. Clean title. No Hassle
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    GMC Sierra 3500 for Sale by Year

    Used GMC Sierra 3500 for Sale by Trim

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