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Used GMC Sierra 3500 Diesel for Sale in Fort Collins, CO

80521
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Items 1 to 2 of 8.
    Sponsored by Loveland Buick GMC
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    New 2026 GMC Sierra 3500 Denali w/ Denali Reserve Package
    93,090
    MSRP$94,090
    See estimated payment
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    117View Vehicles

    27 Matches

    Used 2020 GMC Sierra 3500 Denali
    Used

    2020 GMC Sierra 3500

    • Denali
    • 53K mi
    57,749
    See payment
    Great Price
    No Accidents
    Sponsored by Transwest Truck Trailer RV
    • 38.28 mi. away
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    Used 2022 GMC Sierra 3500 Denali w/ Denali Ultimate Package
    Used

    2022 GMC Sierra 3500

    • Denali
    • 57K mi
    57,400
    See payment
    Great Price
    No Accidents
    Private Seller Exchange
    • 24.36 mi. away
    • Buy Online. Clean title. No Hassle
    Used 2020 GMC Sierra 3500 SLT w/ Technology Package
    Used

    2020 GMC Sierra 3500

    • SLT
    • 68K mi
    53,976
    See payment
    Good Price
    No Accidents
    Fort Collins Dodge Chrysler Jeep RAM
    • 3.53 mi. away
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    $

    Based on 4.5% APR for mos.
    Newly Listed
    Used 2021 GMC Sierra 3500 Denali w/ Denali Black Diamond Edition
    Used

    2021 GMC Sierra 3500

    • Denali
    • 89K mi
    53,995
    See payment
    Good Price
    ClearShift
    • 12.15 mi. away
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    Price Drop360°
    Used 2024 GMC Sierra 3500 SLT
    Used

    2024 GMC Sierra 3500

    • SLT
    • 50K mi
    61,497
    See payment
    Great Price
    No Accidents
    O'Meara GMC
    • 48.4 mi. away
    • Online Paperwork
    • Delivery
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    High Demand
    New 2026 GMC Sierra 3500 Pro
    Consider New, Similar Payment
    Castle Rock Chevrolet GMC
    • 85.58 mi. away
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    Used 2024 GMC Sierra 3500 AT4 w/ AT4 Premium Plus Package
    Used

    2024 GMC Sierra 3500

    • AT4
    • 25K mi
    74,979
    See payment
    No Accidents
    ClearShift
    • 12.15 mi. away
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    Price Drop
    Used 2025 GMC Sierra 3500 Denali Ultimate
    Used

    2025 GMC Sierra 3500

    • Denali Ultimate
    • 23K mi
    87,966
    See payment
    No Accidents
    Loveland Ford Lincoln
    • 12.93 mi. away
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    Price Drop
    Certified 2022 GMC Sierra 3500 Denali
     CarBravo Certified

    2022 GMC Sierra 3500

    • Denali
    • 129K mi
    46,998
    See payment
    Good Price
    Transwest GMC
    • 50.23 mi. away
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    Newly Listed
    Used 2020 GMC Sierra 3500 Denali w/ Denali Ultimate Package
    Used

    2020 GMC Sierra 3500

    • Denali
    • 133K mi
    42,400
    See payment
    Great Price
    Dealer Fees Included
    No Accidents
    Berkenkotter Motors
    • 42.39 mi. away
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    Used 2018 GMC Sierra 3500 Denali w/ Duramax Plus Package
    Used

    2018 GMC Sierra 3500

    • Denali
    • 97K mi
    43,100
    See payment
    Good Price
    Dealer Fees Included
    No Accidents
    Berkenkotter Motors
    • 42.39 mi. away
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    Used 2019 GMC Sierra 3500 Denali w/ Duramax Plus Package
    Used

    2019 GMC Sierra 3500

    • Denali
    • 125K mi
    44,998
    See payment
    Transwest GMC
    • 50.23 mi. away
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    Used 2019 GMC Sierra 3500 Denali w/ Duramax Plus Package
    Used

    2019 GMC Sierra 3500

    • Denali
    • 124K mi
    42,980
    See payment
    Great Price
    Dealer Fees Included
    No Accidents
    Berkenkotter Motors
    • 42.39 mi. away
    Call
    Used 2020 GMC Sierra 3500 Denali
    Used

    2020 GMC Sierra 3500

    • Denali
    • 53K mi
    57,749
    See payment
    Great Price
    No Accidents
    Transwest Truck Trailer RV
    • 38.28 mi. away
    Call
    Used

    2016 GMC Sierra 3500

    • 4x4 Crew Cab
    • 134K mi
    31,693
    See payment
    No Accidents
    Loveland Ford Lincoln
    • 12.93 mi. away
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    Used 2017 GMC Sierra 3500 Denali w/ Duramax Plus Package
    Used

    2017 GMC Sierra 3500

    • Denali
    • 137K mi
    41,400
    See payment
    Dealer Fees Included
    No Accidents
    Berkenkotter Motors
    • 42.39 mi. away
    Call
    360°
    Used 2017 GMC Sierra 3500 Denali w/ Duramax Plus Package
    Used

    2017 GMC Sierra 3500

    • Denali
    • 109K mi
    42,936
    See payment
    Good Price
    Dealer Fees Included
    No Accidents
    Brighton Ford
    • 44.66 mi. away
    Call
    360°
    Used 2024 GMC Sierra 3500 Denali Ultimate
    Used

    2024 GMC Sierra 3500

    • Denali Ultimate
    • 110K mi
    60,932
    See payment
    Dealer Fees Included
    No Accidents
    Brighton Ford
    • 44.66 mi. away
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    Used 2017 GMC Sierra 3500 Denali
    Used

    2017 GMC Sierra 3500

    • Denali
    • 71K mi
    50,999
    See payment
    No Accidents
    Reds Auto & Truck
    • 29.35 mi. away
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    Used 2024 GMC Sierra 3500 Denali Ultimate
    Used

    2024 GMC Sierra 3500

    • Denali Ultimate
    • 57K mi
    71,999
    See payment
    Good Price
    Dealer Fees Included
    No Accidents
    Yoder Chevrolet
    • 37.62 mi. away
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    Newly Listed
    Used 2022 GMC Sierra 3500 Denali
    Used

    2022 GMC Sierra 3500

    • Denali
    • 40K mi
    66,777
    See payment
    Good Price
    No Accidents
    Transwest GMC
    • 50.23 mi. away
    Call
    Newly Listed
    Used 2006 GMC Sierra 3500 SLT w/ Heavy-Duty Power Package
    Used

    2006 GMC Sierra 3500

    • SLT
    • 277K mi
    12,988
    See payment
    No Accidents
    Dealer
    • 40.63 mi. away
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    Newly Listed
    Used 2022 GMC Sierra 3500 Denali w/ Technology Package
    Used

    2022 GMC Sierra 3500

    • Denali
    • 47K mi
    69,988
    See payment
    No Accidents
    Dealer
    • 40.63 mi. away
    Call
    Newly Listed
    Used 2023 GMC Sierra 3500 Pro w/ Convenience Package
    Used

    2023 GMC Sierra 3500

    • Pro
    • 98K mi
    43,998
    See payment
    Good Price
    No Accidents
    Transwest GMC
    • 50.23 mi. away
    Call
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