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Used GMC Trucks for Sale in Longmont, CO

80501
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Items 1 to 2 of 13.
    Sponsored by O'Meara GMC
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    Price Drop
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    Used 2016 GMC Sierra 1500 SLE
    32,888
    O'Meara GMC
    (720) 702-3361
    Call
    Dealer Logo
    62View Vehicles

    573 Matches

    Price Drop
    Used 2026 GMC Sierra 2500 Denali Ultimate
    Used

    2026 GMC Sierra 2500

    • Denali Ultimate
    • 5K mi
    87,999
    Dealer Fees Included
    No Accidents
    Sponsored by Mike Maroone Ford Longmont
    • 1.64 mi. away
    Call
    Price Drop
    Used 2025 GMC Sierra 1500 Elevation
    Used

    2025 GMC Sierra 1500

    • Elevation
    • 11K mi
    44,060
    No Accidents
    Sponsored by Loveland Buick GMC
    • 18.81 mi. away
    Call
    Used 2024 GMC Sierra 1500 Denali w/ Denali Reserve Package
    Used

    2024 GMC Sierra 1500

    • Denali
    • 19K mi
    59,367
    No Accidents
    Sponsored by ClearShift
    • 42.85 mi. away
    Call
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    $

    Based on 4.5% APR for mos.
    Price Drop
    Used 2026 GMC Sierra 2500 Denali Ultimate
    Used

    2026 GMC Sierra 2500

    • Denali Ultimate
    • 5K mi
    87,999
    Dealer Fees Included
    No Accidents
    Mike Maroone Ford Longmont
    • 1.64 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
    • 7.31 mi. away
    • Buy Online. Clean title. No Hassle
    High Demand
    New 2026 GMC Sierra EV Elevation w/ Premium Package
    Consider New, Similar Payment

    2026 GMC Sierra EV

    • Elevation
    • 1K mi
    Electric
    69,637
    Castle Rock Chevrolet GMC
    • 58.13 mi. away
    Call
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    High Demand
    Certified 2018 GMC Sierra 1500 Denali w/ Denali Ultimate Package

    2018 GMC Sierra 1500

    • Denali
    • 46K mi
    37,498
    Dealer Fees Included
    No Accidents
    Mike Maroone Chevrolet GMC Longmont
    • 4.1 mi. away
    Call
    Sponsored
    Item 1 of 4.
    Used 2017 GMC Sierra 1500 SLT
    Used

    2017 GMC Sierra 1500

    • SLT
    • 91K mi
    30,000
    No Accidents
    Call
    Price Drop
    Used 2024 GMC Sierra 1500 Denali
    Used

    2024 GMC Sierra 1500

    • Denali
    • 5K mi
    62,181
    Dealer Fees Included
    No Accidents
    Prestige Chrysler Dodge Jeep Inc
    • 1.67 mi. away
    Call
    Used 2023 GMC Sierra 1500 Elevation
    Used

    2023 GMC Sierra 1500

    • Elevation
    • 13K mi
    39,900
    Dealer Fees Included
    No Accidents
    Stapp Interstate Toyota
    • 8 mi. away
    Call
    Newly Listed
    Certified 2020 GMC Sierra 1500 4x4 Regular Cab w/ Sierra Value Package

    2020 GMC Sierra 1500

    • 4x4 Regular Cab
    • 77K mi
    24,098
    Dealer Fees Included
    No Accidents
    Mike Maroone Chevrolet GMC Longmont
    • 4.1 mi. away
    Call
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    High Demand
    Certified 2022 GMC Sierra 1500 Elevation w/ X31 Off-Road Package

    2022 GMC Sierra 1500

    • Elevation
    • 15K mi
    45,198
    Dealer Fees Included
    No Accidents
    Mike Maroone Chevrolet GMC Longmont
    • 4.1 mi. away
    Call
    Used 2017 GMC Sierra 1500 SLT
    Used

    2017 GMC Sierra 1500

    • SLT
    • 100K mi
    26,500
    No Accidents
    Private Seller Exchange
    • 17.32 mi. away
    • Buy Online. Clean title. No Hassle
    Used 2014 GMC Sierra 1500 Denali
    Used

    2014 GMC Sierra 1500

    • Denali
    • 109K mi
    30,000
    Private Seller Exchange
    • 25.26 mi. away
    • Buy Online. Clean title. No Hassle
    Used 2017 GMC Canyon Denali
    Used

    2017 GMC Canyon

    • Denali
    • 107K mi
    21,500
    Private Seller Exchange
    • 32.66 mi. away
    • Buy Online. Clean title. No Hassle
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    Certified 2020 GMC Sierra 1500 SLT w/ SLT Premium Plus Package

    2020 GMC Sierra 1500

    • SLT
    • 70K mi
    36,098
    Dealer Fees Included
    Mike Maroone Chevrolet GMC Longmont
    • 4.1 mi. away
    Call
    360°
    Used 2026 GMC Sierra 2500 Denali Ultimate

    2026 GMC Sierra 2500

    • Denali Ultimate
    • 4K mi
    89,463
    Dealer Fees Included
    No Accidents
    Brighton Ford
    • 20.61 mi. away
    Call
    Used 2010 GMC Sierra 2500 SLE w/ Suspension Package, Off-Road
    Used

    2010 GMC Sierra 2500

    • SLE
    • 154K mi
    25,000
    No Accidents
    Private Seller Exchange
    • 31.41 mi. away
    • Buy Online. Clean title. No Hassle
    Price Drop
    Used 2020 GMC Sierra 1500 AT4 w/ Technology Package
    Used

    2020 GMC Sierra 1500

    • AT4
    • 82K mi
    35,392
    Dealer Fees Included
    No Accidents
    Mike Maroone Cadillac
    • 12.68 mi. away
    Call
    Price Drop
    Certified 2023 GMC Sierra 2500 Denali w/ Denali Ultimate Package
    Certified

    2023 GMC Sierra 2500

    • Denali
    • 31K mi
    62,692
    Dealer Fees Included
    No Accidents
    Mike Maroone Cadillac
    • 12.68 mi. away
    Call
    Certified 2024 GMC Sierra 1500 Denali Ultimate
    Certified

    2024 GMC Sierra 1500

    • Denali Ultimate
    • 6K mi
    63,792
    Dealer Fees Included
    No Accidents
    Mike Maroone Cadillac
    • 12.68 mi. away
    Call
    360°
    Used 2024 GMC Canyon AT4 w/ AT4 Premium Package
    Used

    2024 GMC Canyon

    • AT4
    • 10K mi
    42,029
    No Accidents
    O'Meara GMC
    • 20.86 mi. away
    • Online Paperwork
    • Delivery
    Call
    Used 2016 GMC Sierra 3500 SLT w/ Duramax Plus Package
    Used

    2016 GMC Sierra 3500

    • SLT
    • 106K mi
    40,556
    Dealer Fees Included
    Mike Maroone Ford Longmont
    • 1.64 mi. away
    Call
    Newly Listed
    Used 2024 GMC Canyon Elevation w/ Elevation Premium Package
    Used

    2024 GMC Canyon

    • Elevation
    • 16K mi
    38,899
    Dealer Fees Included
    No Accidents
    AutoNation Buick GMC West
    • 31.37 mi. away
    Call
    High Demand
    360°
    Used 2021 GMC Sierra 1500 Denali w/ Denali Ultimate Package
    Used

    2021 GMC Sierra 1500

    • Denali
    • 41K mi
    45,888
    No Accidents
    O'Meara GMC
    • 20.86 mi. away
    • Online Paperwork
    • Delivery
    Call
    360°
    Used 2024 GMC Sierra 3500 Denali Ultimate
    Used

    2024 GMC Sierra 3500

    • Denali Ultimate
    • 19K mi
    80,288
    No Accidents
    O'Meara GMC
    • 20.86 mi. away
    • Online Paperwork
    • Delivery
    Call
    Used 2016 GMC Sierra 2500 Denali w/ Duramax Plus Package
    Used

    2016 GMC Sierra 2500

    • Denali
    • 72K mi
    46,500
    No Accidents
    Private Seller Exchange
    • 25.86 mi. away
    • Buy Online. Clean title. No Hassle
    Price Drop
    Used 2020 GMC Sierra 2500 Denali w/ Denali Ultimate Package
    Used

    2020 GMC Sierra 2500

    • Denali
    • 43K mi
    55,790
    Dealer Fees Included
    No Accidents
    AutoNation Chrysler Jeep West
    • 31.34 mi. away
    Call
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