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Used GMC Trucks for Sale in Longmont, CO

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Items 1 to 2 of 16.
    Sponsored by O'Meara GMC
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    Used 2025 GMC Sierra 2500 Denali w/ Max Trailering Package
    70,833
    O'Meara GMC
    (720) 702-3361
    Call
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    607 Matches

    Price Drop
    Used 2021 GMC Canyon Elevation
    Used

    2021 GMC Canyon

    • Elevation
    • 81K mi
    23,998
    Great Price
    Dealer Fees Included
    No Accidents
    Sponsored by AutoNation Subaru Arapahoe
    • 42 mi. away
    Call
    Used 2024 GMC Sierra 1500 Elevation w/ LPO, Elevation Black Package
    Used

    2024 GMC Sierra 1500

    • Elevation
    • 24K mi
    47,940
    Good Price
    Dealer Fees Included
    No Accidents
    Sponsored by Alpine Chevrolet
    • 33.95 mi. away
    Call
    Used 2024 GMC Sierra 1500 Elevation w/ LPO, GMC Protection Package
    Used

    2024 GMC Sierra 1500

    • Elevation
    • 37K mi
    41,689
    Good Price
    Dealer Fees Included
    No Accidents
    Sponsored by Alpine Chevrolet
    • 33.95 mi. away
    Call
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    $

    Based on 4.5% APR for mos.
    Newly Listed
    Used 2022 GMC Sierra 1500 SLT w/ X31 Off-Road Package
    Used

    2022 GMC Sierra 1500

    • SLT
    • 112K mi
    32,998
    Dealer Fees Included
    No Accidents
    Mike Maroone Chevrolet GMC Longmont
    • 4.1 mi. away
    Call
    Newly Listed
    Used 2019 GMC Sierra 3500 SLT w/ Driver Alert Package
    Used

    2019 GMC Sierra 3500

    • SLT
    • 102K mi
    43,204
    Dealer Fees Included
    Mike Maroone Chevrolet GMC Longmont
    • 4.1 mi. away
    Call
    New 2026 GMC Sierra 2500 AT4X
    Consider Buying New

    2026 GMC Sierra 2500

    • AT4X
    • 3 mi
    94,900
    Castle Rock Chevrolet GMC
    • 58.13 mi. away
    Call
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    Newly Listed
    Used 2017 GMC Sierra 3500 Denali w/ Duramax Plus Package
    Used

    2017 GMC Sierra 3500

    • Denali
    • 86K mi
    47,798
    Dealer Fees Included
    No Accidents
    Mike Maroone Chevrolet GMC Longmont
    • 4.1 mi. away
    Call
    Sponsored
    Item 1 of 4.
    Used 2024 GMC Sierra 2500 SLT w/ SLT Premium Package
    Used

    2024 GMC Sierra 2500

    • SLT
    • 33K mi
    66,599
    No Accidents
    Call
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    Used 2025 GMC Sierra 1500 SLT
    Used

    2025 GMC Sierra 1500

    • SLT
    • 38K mi
    43,389
    Great Price
    Dealer Fees Included
    No Accidents
    O'Meara Volkswagen of Thornton
    • 20.87 mi. away
    • Online Paperwork
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    Used 2024 GMC Sierra 1500 Denali w/ Denali Reserve Package
    Used

    2024 GMC Sierra 1500

    • Denali
    • 32K mi
    57,517
    Good Price
    Dealer Fees Included
    No Accidents
    O'Meara Volkswagen of Thornton
    • 20.87 mi. away
    • Online Paperwork
    Call
    Newly Listed
    Used 2019 GMC Sierra 1500 Denali w/ Denali Ultimate Package
    Used

    2019 GMC Sierra 1500

    • Denali
    • 150K mi
    26,748
    Great Price
    Dealer Fees Included
    No Accidents
    Crossroads Hyundai
    • 18.59 mi. away
    • Online Paperwork
    • Delivery
    Call
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    Certified 2016 GMC Canyon SLT w/ Driver Alert Package

    2016 GMC Canyon

    • SLT
    • 83K mi
    21,549
    Great Price
    Dealer Fees Included
    Mike Maroone Chevrolet GMC Longmont
    • 4.1 mi. away
    Call
    Price Drop
    Certified 2017 GMC Sierra 1500 SLT

    2017 GMC Sierra 1500

    • SLT
    • 135K mi
    23,588
    Dealer Fees Included
    No Accidents
    Mike Maroone Chevrolet GMC Longmont
    • 4.1 mi. away
    Call
    Price Drop
    Certified 2021 GMC Sierra 1500 AT4 w/ AT4 Premium Package

    2021 GMC Sierra 1500

    • AT4
    • 142K mi
    29,970
    Good Price
    Dealer Fees Included
    Mike Maroone Chevrolet GMC Longmont
    • 4.1 mi. away
    Call
    Price Drop
    Certified 2020 GMC Sierra 1500 SLT

    2020 GMC Sierra 1500

    • SLT
    • 121K mi
    30,805
    Good Price
    Dealer Fees Included
    No Accidents
    Mike Maroone Chevrolet GMC Longmont
    • 4.1 mi. away
    Call
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    Used 2024 GMC Sierra 1500 SLT
    Used

    2024 GMC Sierra 1500

    • SLT
    • 65K mi
    39,967
    Great Price
    Dealer Fees Included
    No Accidents
    Mike Maroone Chevrolet GMC Longmont
    • 4.1 mi. away
    Call
    Price Drop
    Certified 2024 GMC Sierra 1500 SLT w/ SLT Premium Plus Package

    2024 GMC Sierra 1500

    • SLT
    • 45K mi
    44,536
    Great Price
    Dealer Fees Included
    No Accidents
    Mike Maroone Chevrolet GMC Longmont
    • 4.1 mi. away
    Call
    Certified 2023 GMC Sierra 1500 AT4 w/ Technology Package

    2023 GMC Sierra 1500

    • AT4
    • 87K mi
    45,313
    Good Price
    Dealer Fees Included
    No Accidents
    Mike Maroone Chevrolet GMC Longmont
    • 4.1 mi. away
    Call
    Price Drop
    Certified 2024 GMC Sierra 1500 Elevation w/ LPO, Elevation Black Package

    2024 GMC Sierra 1500

    • Elevation
    • 42K mi
    46,256
    Dealer Fees Included
    No Accidents
    Mike Maroone Chevrolet GMC Longmont
    • 4.1 mi. away
    Call
    Price Drop
    Certified 2024 GMC Sierra 1500 AT4 w/ Technology Package

    2024 GMC Sierra 1500

    • AT4
    • 58K mi
    49,183
    Great Price
    Dealer Fees Included
    No Accidents
    Mike Maroone Chevrolet GMC Longmont
    • 4.1 mi. away
    Call
    Price Drop
    Used 2026 GMC Sierra 1500 SLE
    Used

    2026 GMC Sierra 1500

    • SLE
    • 51 mi
    50,036
    Great Price
    Dealer Fees Included
    No Accidents
    Mike Maroone Chevrolet GMC Longmont
    • 4.1 mi. away
    Call
    Price Drop
    Certified 2023 GMC Sierra 2500 Denali w/ Denali Ultimate Package

    2023 GMC Sierra 2500

    • Denali
    • 59K mi
    59,502
    Dealer Fees Included
    No Accidents
    Mike Maroone Chevrolet GMC Longmont
    • 4.1 mi. away
    Call
    Price Drop
    Certified 2025 GMC Sierra 2500 AT4X

    2025 GMC Sierra 2500

    • AT4X
    • 24K mi
    80,892
    Great Price
    Dealer Fees Included
    Mike Maroone Chevrolet GMC Longmont
    • 4.1 mi. away
    Call
    Newly Listed
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    Used 2024 GMC Sierra 1500 SLT
    Used

    2024 GMC Sierra 1500

    • SLT
    • 61K mi
    41,917
    No Accidents
    O'Meara GMC
    • 20.86 mi. away
    • Online Paperwork
    • Delivery
    Call
    Newly Listed
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    Used 2024 GMC Sierra 1500 AT4X w/ AT4X AEV Edition
    Used

    2024 GMC Sierra 1500

    • AT4X
    • 34K mi
    58,977
    No Accidents
    O'Meara GMC
    • 20.86 mi. away
    • Online Paperwork
    • Delivery
    Call
    Newly Listed
    Used 2015 GMC Sierra 1500 SLT w/ All-Terrain Package
    Used

    2015 GMC Sierra 1500

    • SLT
    • 99K mi
    24,999
    Dealer Fees Included
    AutoNation USA Denver 104
    • 20.96 mi. away
    Call
    Price Drop
    Used 2024 GMC Sierra 3500 AT4 w/ AT4 Preferred Package
    Used

    2024 GMC Sierra 3500

    • AT4
    • 49K mi
    68,694
    Good Price
    Dealer Fees Included
    No Accidents
    Prestige Chrysler Dodge Jeep Inc
    • 1.67 mi. away
    Call
    Used 2024 GMC Sierra 2500 AT4 w/ AT4 Premium Plus Package
    Used

    2024 GMC Sierra 2500

    • AT4
    • 45K mi
    69,679
    Good Price
    Dealer Fees Included
    No Accidents
    Fowler Honda of Longmont
    • 1.74 mi. away
    Call
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