Autotrader Logo
Skip to vehicle Listings

Used GMC Sierra 3500 for Sale in Fort Collins, CO

Filters (3)
Items 1 to 2 of 6.
    Sponsored by Loveland Buick GMC
    Hide
    New 2026 GMC Sierra 3500 Denali Ultimate
    100,865
    MSRP$101,865
    See estimated payment
    Similar Match
    Loveland Buick GMC
    (970) 792-3790
    Call
    Dealer Logo
    128View Vehicles

    32 Matches

    Used 2026 GMC Sierra 3500 4x4 Crew Cab AT4
    Used

    2026 GMC Sierra 3500

    • 4x4 Crew Cab AT4
    • 7K mi
    81,121
    No Accidents
    Sponsored by Transwest Truck Trailer RV
    • 38.28 mi. away
    Call
    Used 2024 GMC Sierra 3500 AT4 w/ AT4 Premium Plus Package

    2024 GMC Sierra 3500

    • AT4
    • 65K mi
    63,942
    Good Price
    Dealer Fees Included
    No Accidents
    Ken Garff Ford Fort Collins
    • 4.47 mi. away
    Call
    Certified 2024 GMC Sierra 3500 Denali Ultimate

    2024 GMC Sierra 3500

    • Denali Ultimate
    • 19K mi
    79,988
    Great Price
    Dealer Fees Included
    No Accidents
    JOHNSON AUTO PLAZA
    • 46.25 mi. away
    • Delivery
    Call
    My Wallet

    Find it Fast.

    Keep it Affordable.

    Credit Rating
    Trade-In Value
    Get My Kelley Blue Book® CarValue
    Get My Payoff Quote

    $

    Based on 4.5% APR for mos.
    Used 2023 GMC Sierra 3500 Pro w/ Convenience Package
    Used

    2023 GMC Sierra 3500

    • Pro
    • 34K mi
    40,722
    Good Price
    Dealer Fees Included
    No Accidents
    McDonald Toyota
    • 22.38 mi. away
    Call
    360°
    Used 2022 GMC Sierra 3500 Denali w/ Denali Ultimate Package
    Used

    2022 GMC Sierra 3500

    • Denali
    • 33K mi
    63,029
    No Accidents
    O'Meara GMC
    • 48.4 mi. away
    • Online Paperwork
    • Delivery
    Call
    New 2026 GMC Sierra 3500 Denali Ultimate
    Consider Buying New

    2026 GMC Sierra 3500

    • Denali Ultimate
    • 4 mi
    98,960
    Castle Rock Chevrolet GMC
    • 85.58 mi. away
    Call
    Advertisement
    360°
    Used 2026 GMC Sierra 3500 Denali w/ Denali Reserve Package
    Used

    2026 GMC Sierra 3500

    • Denali
    • 4K mi
    88,113
    No Accidents
    O'Meara GMC
    • 48.4 mi. away
    • Online Paperwork
    • Delivery
    Call
    Price Drop
    Used 2020 GMC Sierra 3500 Denali w/ Denali Ultimate Package
    Used

    2020 GMC Sierra 3500

    • Denali
    • 104K mi
    53,752
    Dealer Fees Included
    No Accidents
    Loveland Ford Lincoln
    • 12.93 mi. away
    Call
    Sponsored
    Item 1 of 4.
    Used 2025 GMC Sierra 3500 AT4 w/ AT4 Premium Plus Package
    Used

    2025 GMC Sierra 3500

    • AT4
    • 13K mi
    80,655
    Good Price
    Dealer Fees Included
    No Accidents
    Call
    Used 2025 GMC Sierra 3500 Denali Ultimate
    Used

    2025 GMC Sierra 3500

    • Denali Ultimate
    • 39K mi
    83,041
    Dealer Fees Included
    No Accidents
    Loveland Ford Lincoln
    • 12.93 mi. away
    Call
    Used 2015 GMC Sierra 3500 Denali w/ Duramax Plus Package
    Used

    2015 GMC Sierra 3500

    • Denali
    • 116K mi
    37,411
    Dealer Fees Included
    No Accidents
    Alpine Nissan
    • 48.36 mi. away
    Call
    Used 1999 GMC Sierra 3500 4x4 Crew Cab w/ Marketing Option Pkg 3
    Used

    1999 GMC Sierra 3500

    • 4x4 Crew Cab
    • 27K mi
    34,999
    No Accidents
    Victory Motors of Colorado
    • 27.52 mi. away
    Call
    Advertisement
    Used 2003 GMC Sierra 3500 SLE
    Used

    2003 GMC Sierra 3500

    • SLE
    • 46K mi
    41,999
    No Accidents
    Victory Motors of Colorado
    • 27.52 mi. away
    Call
    Used 2013 GMC Sierra 3500 SLE w/ SLE Preferred Package
    Used

    2013 GMC Sierra 3500

    • SLE
    • 134K mi
    20,979
    Skyline Mitsubishi
    • 48.34 mi. away
    Call
    Newly Listed
    Used 2018 GMC Sierra 3500 4x4 Crew Cab w/ Sierra Convenience Package
    Used

    2018 GMC Sierra 3500

    • 4x4 Crew Cab
    • 95K mi
    39,988
    Dealer Fees Included
    No Accidents
    JOHNSON AUTO PLAZA
    • 46.25 mi. away
    • Delivery
    Call
    Used 2026 GMC Sierra 3500 SLT w/ SLT Premium Package
    Used

    2026 GMC Sierra 3500

    • SLT
    • 400 mi
    72,625
    No Accidents
    Transwest GMC
    • 50.23 mi. away
    Call
    Advertisement
    Used 2022 GMC Sierra 3500 SLT w/ SLT Premium Package
    Used

    2022 GMC Sierra 3500

    • SLT
    • 127K mi
    43,500
    Dealer Fees Included
    No Accidents
    Berkenkotter Motors
    • 42.39 mi. away
    Call
    Price Drop
    Used 2019 GMC Sierra 3500 Denali w/ Duramax Plus Package
    Used

    2019 GMC Sierra 3500

    • Denali
    • 37K mi
    56,990
    Great Price
    Dealer Fees Included
    No Accidents
    Pedersen Toyota Volvo
    • 4.1 mi. away
    Call
    Price Drop
    Used 2017 GMC Sierra 3500 Denali w/ Duramax Plus Package
    Used

    2017 GMC Sierra 3500

    • Denali
    • 114K mi
    41,852
    Good Price
    Dealer Fees Included
    No Accidents
    Mike Maroone Chevrolet GMC Longmont
    • 29.35 mi. away
    Call
    Used 2025 GMC Sierra 3500 Pro w/ 1SA Pro Safety Plus Package
    Used

    2025 GMC Sierra 3500

    • Pro
    • 84K mi
    49,988
    Dealer Fees Included
    No Accidents
    JOHNSON AUTO PLAZA
    • 46.25 mi. away
    • Delivery
    Call
    360°
    Used 2024 GMC Sierra 3500 Denali w/ Denali Reserve Package
    Used

    2024 GMC Sierra 3500

    • Denali
    • 66K mi
    64,639
    No Accidents
    O'Meara Ford
    • 48.46 mi. away
    Call
    Used 2018 GMC Sierra 3500 4x4 Crew Cab w/ Sierra Convenience Package
    Used

    2018 GMC Sierra 3500

    • 4x4 Crew Cab
    • 157K mi
    31,488
    Dealer Fees Included
    JOHNSON AUTO PLAZA
    • 46.25 mi. away
    • Delivery
    Call
    Used 2026 GMC Sierra 3500 4x4 Crew Cab AT4
    Used

    2026 GMC Sierra 3500

    • 4x4 Crew Cab AT4
    • 7K mi
    81,121
    No Accidents
    Sponsored by Transwest Truck Trailer RV
    • 38.28 mi. away
    Call
    Used 2025 GMC Sierra 3500 AT4 w/ AT4 Premium Plus Package
    Used

    2025 GMC Sierra 3500

    • AT4
    • 13K mi
    80,655
    Good Price
    Dealer Fees Included
    No Accidents
    Fort Collins Dodge Chrysler Jeep RAM
    • 3.53 mi. away
    Call
    Used 2026 GMC Sierra 3500 4x4 Crew Cab AT4
    Used

    2026 GMC Sierra 3500

    • 4x4 Crew Cab AT4
    • 7K mi
    81,121
    No Accidents
    Transwest Truck Trailer RV
    • 38.28 mi. away
    Call
    Newly Listed
    Used 2025 GMC Sierra 3500 Denali Ultimate
    Used

    2025 GMC Sierra 3500

    • Denali Ultimate
    • 23K mi
    83,590
    Dealer Fees Included
    No Accidents
    Weld County Garage
    • 22.38 mi. away
    • Online Paperwork
    Call
    Used 2025 GMC Sierra 3500 Denali Ultimate
    Used

    2025 GMC Sierra 3500

    • Denali Ultimate
    • 33K mi
    81,677
    Dealer Fees Included
    No Accidents
    Dellenbach Motors
    • 2.9 mi. away
    Call
    Newly Listed
    Used 2024 GMC Sierra 3500 Denali Ultimate
    Used

    2024 GMC Sierra 3500

    • Denali Ultimate
    • 76K mi
    68,200
    No Accidents
    O'Meara Ford
    • 48.46 mi. away
    Call
    Used 2022 GMC Sierra 3500 Denali
    Used

    2022 GMC Sierra 3500

    • Denali
    • 97K mi
    54,963
    Good Price
    No Additional Dealer Fees
    No Accidents
    Reds Auto & Truck
    • 29.35 mi. away
    Call
    Advertisement

    GMC Sierra 3500 for Sale by Year

    Used GMC Sierra 3500 for Sale by Trim

    View All Trims
    <!--{"relevance":[true,{"relevanceVersion":"relevance-v5"}],"cypress_e2e":[false,{}],"cypressE2e":[false,{}]}-->