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Used GMC Diesel Truck for Sale in Fort Collins, CO

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Items 1 to 2 of 13.
    Sponsored by Loveland Buick GMC
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    Used 2024 GMC Sierra 1500 AT4 w/ Technology Package
    57,639
    See estimated payment
    Good Price
    Dealer Fees Included
    Similar Match
    Loveland Buick GMC
    (970) 792-3825
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    186View Vehicles

    122 Matches

    Used 2024 GMC Sierra 2500 AT4X
    Used

    2024 GMC Sierra 2500

    • AT4X
    • 23K mi
    78,393
    Great Price
    Dealer Fees Included
    No Accidents
    Sponsored by Weld County Garage
    • 22.38 mi. away
    • Online Paperwork
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    Used 2026 GMC Sierra 1500 Elevation w/ Elevation Premium Package
    Used

    2026 GMC Sierra 1500

    • Elevation
    • 8K mi
    54,159
    Dealer Fees Included
    No Accidents
    Sponsored by Interstate Ford
    • 34.92 mi. away
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    Used 2016 GMC Sierra 3500 SLT w/ Duramax Plus Package
    Used

    2016 GMC Sierra 3500

    • SLT
    • 106K mi
    38,399
    Dealer Fees Included
    Sponsored by Mike Maroone Ford Longmont
    • 28.92 mi. away
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    Based on 4.5% APR for mos.
    Used 2020 GMC Sierra 3500 SLT w/ Technology Package
    Used

    2020 GMC Sierra 3500

    • SLT
    • 68K mi
    52,755
    Good Price
    Dealer Fees Included
    No Accidents
    Fort Collins Dodge Chrysler Jeep RAM
    • 3.53 mi. away
    Call
    Used 2024 GMC Sierra 2500 Denali w/ Technology Package
    Used

    2024 GMC Sierra 2500

    • Denali
    • 24K mi
    70,742
    Great Price
    Dealer Fees Included
    No Accidents
    ClearShift
    • 12.15 mi. away
    Call
    New 2026 GMC Sierra 1500 Denali Ultimate
    Consider New, Similar Payment

    2026 GMC Sierra 1500

    • Denali Ultimate
    • 0 mi
    76,812
    Castle Rock Chevrolet GMC
    • 85.58 mi. away
    Call
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    Used 2024 GMC Sierra 1500 AT4 w/ Technology Package
    Used

    2024 GMC Sierra 1500

    • AT4
    • 24K mi
    57,639
    Good Price
    Dealer Fees Included
    No Accidents
    Loveland Buick GMC
    • 11.56 mi. away
    Call
    Sponsored
    Item 1 of 4.
    Used 2023 GMC Sierra 1500 AT4 w/ AT4 Premium Package
    Used

    2023 GMC Sierra 1500

    • AT4
    • 80K mi
    45,471
    Dealer Fees Included
    No Accidents
    Call
    Price Drop
    Used 2020 GMC Sierra 3500 Denali w/ Denali Ultimate Package
    Used

    2020 GMC Sierra 3500

    • Denali
    • 26K mi
    60,685
    Great Price
    Dealer Fees Included
    No Accidents
    Loveland Buick GMC
    • 11.56 mi. away
    Call
    Used 2022 GMC Sierra 3500 Denali w/ Denali Ultimate Package
    Used

    2022 GMC Sierra 3500

    • Denali
    • 57K mi
    57,400
    No Accidents
    Private Seller Exchange
    • 24.36 mi. away
    • Buy Online. Clean title. No Hassle
    Newly Listed
    Used 2021 GMC Sierra 2500 Denali w/ Denali Black Diamond Edition
    Used

    2021 GMC Sierra 2500

    • Denali
    • 39K mi
    62,999
    Good Price
    Dealer Fees Included
    No Accidents
    Larry H. Miller Chrysler Dodge Jeep RAM 104th
    • 48.36 mi. away
    Call
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    Used 2019 GMC Sierra 3500 Denali w/ Duramax Plus Package
    Used

    2019 GMC Sierra 3500

    • Denali
    • 103K mi
    45,937
    Dealer Fees Included
    No Accidents
    Loveland Buick GMC
    • 11.56 mi. away
    Call
    Price Drop
    Used 2024 GMC Sierra 1500 AT4X
    Used

    2024 GMC Sierra 1500

    • AT4X
    • 56K mi
    58,686
    Good Price
    Dealer Fees Included
    No Accidents
    Loveland Buick GMC
    • 11.56 mi. away
    Call
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    Used 2026 GMC Sierra 1500 SLE
    Used

    2026 GMC Sierra 1500

    • SLE
    • 519 mi
    48,875
    No Accidents
    O'Meara GMC
    • 48.4 mi. away
    • Online Paperwork
    • Delivery
    Call
    Newly Listed
    Used 2019 GMC Sierra 2500 Denali w/ Duramax Plus Package
    Used

    2019 GMC Sierra 2500

    • Denali
    • 116K mi
    45,736
    Dealer Fees Included
    ClearShift
    • 12.15 mi. away
    Call
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    Used 2021 GMC Sierra 3500 Denali w/ Denali Black Diamond Edition
    Used

    2021 GMC Sierra 3500

    • Denali
    • 89K mi
    53,742
    Good Price
    Dealer Fees Included
    ClearShift
    • 12.15 mi. away
    Call
    Used 2023 GMC Sierra 2500 AT4 w/ Gooseneck/5TH Wheel Package
    Used

    2023 GMC Sierra 2500

    • AT4
    • 46K mi
    60,741
    Good Price
    Dealer Fees Included
    No Accidents
    ClearShift
    • 12.15 mi. away
    Call
    Newly Listed
    Certified 2025 GMC Sierra 2500 AT4X

    2025 GMC Sierra 2500

    • AT4X
    • 24K mi
    84,998
    Good Price
    Dealer Fees Included
    Mike Maroone Chevrolet GMC Longmont
    • 29.35 mi. away
    Call
    High Demand
    360°
    Used 2021 GMC Sierra 1500 Elevation w/ Preferred Package
    Used

    2021 GMC Sierra 1500

    • Elevation
    • 32K mi
    38,097
    O'Meara GMC
    • 48.4 mi. away
    • Online Paperwork
    • Delivery
    Call
    Price Drop
    Used 2025 GMC Sierra 1500 AT4X
    Used

    2025 GMC Sierra 1500

    • AT4X
    • 35K mi
    62,513
    No Accidents
    Ken Garff Ford Fort Collins
    • 4.47 mi. away
    Call
    Used 2019 GMC Sierra 2500 Denali w/ Duramax Plus Package
    Used

    2019 GMC Sierra 2500

    • Denali
    • 85K mi
    47,292
    Great Price
    Dealer Fees Included
    No Accidents
    Weld County Garage
    • 22.38 mi. away
    • Online Paperwork
    Call
    Used 2024 GMC Sierra 2500 AT4X
    Used

    2024 GMC Sierra 2500

    • AT4X
    • 23K mi
    78,393
    Great Price
    Dealer Fees Included
    No Accidents
    Weld County Garage
    • 22.38 mi. away
    • Online Paperwork
    Call
    Used 2025 GMC Sierra 2500 AT4X
    Used

    2025 GMC Sierra 2500

    • AT4X
    • 14K mi
    83,593
    Great Price
    Dealer Fees Included
    No Accidents
    Weld County Garage
    • 22.38 mi. away
    • Online Paperwork
    Call
    Used 2026 GMC Sierra 2500 Denali Ultimate w/ Max Trailering Package
    Used

    2026 GMC Sierra 2500

    • Denali Ultimate
    • 925 mi
    88,594
    Good Price
    Dealer Fees Included
    No Accidents
    Weld County Garage
    • 22.38 mi. away
    • Online Paperwork
    Call
    Used 2023 GMC Sierra 1500 Denali w/ Denali Reserve Package
    Used

    2023 GMC Sierra 1500

    • Denali
    • 27K mi
    53,931
    Good Price
    Dealer Fees Included
    No Accidents
    Transwest GMC
    • 50.23 mi. away
    Call
    Price Drop
    Used 2023 GMC Sierra 2500 AT4 w/ AT4 Premium Plus Package
    Used

    2023 GMC Sierra 2500

    • AT4
    • 82K mi
    55,685
    Dealer Fees Included
    No Accidents
    Loveland Buick GMC
    • 11.56 mi. away
    Call
    Used 2026 GMC Sierra 1500 Elevation w/ Elevation Premium Package
    Used

    2026 GMC Sierra 1500

    • Elevation
    • 8K mi
    54,159
    Dealer Fees Included
    No Accidents
    Interstate Ford
    • 34.92 mi. away
    Call
    360°
    Used 2022 GMC Sierra 1500 Denali w/ Denali Reserve Package
    Used

    2022 GMC Sierra 1500

    • Denali
    • 51K mi
    45,929
    No Accidents
    O'Meara GMC
    • 48.4 mi. away
    • Online Paperwork
    • Delivery
    Call
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