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Used GMC Sierra 2500 AT4X for Sale in Boulder, CO

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    Sponsored by O'Meara GMC
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    Used 2024 GMC Sierra 2500 AT4 w/ AT4 Premium Plus Package
    74,737
    Similar Match
    O'Meara GMC
    (720) 702-3361
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    59View Vehicles

    17 Matches

    Used 2025 GMC Sierra 2500 AT4X
    Used

    2025 GMC Sierra 2500

    • AT4X
    • 51K mi
    76,989
    Dealer Fees Included
    No Accidents
    Sponsored by Loveland Buick GMC
    • 32.62 mi. away
    Call
    360°
    Used 2025 GMC Sierra 2500 AT4X
    Used

    2025 GMC Sierra 2500

    • AT4X
    • 24K mi
    80,000
    No Accidents
    Sponsored by Corwin Toyota Boulder
    • 2.55 mi. away
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    Certified 2025 GMC Sierra 2500 AT4X w/ AT4X AEV Edition

    2025 GMC Sierra 2500

    • AT4X
    • 23K mi
    82,998
    Great Price
    Dealer Fees Included
    No Accidents
    Sponsored by Foundation Chevrolet CADILLAC
    • 18.45 mi. away
    Call
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    Based on 4.5% APR for mos.
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    Used 2024 GMC Sierra 2500 AT4X
    Used

    2024 GMC Sierra 2500

    • AT4X
    • 25K mi
    79,544
    Good Price
    Dealer Fees Included
    No Accidents
    ClearShift
    • 35.61 mi. away
    Call
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    Used 2025 GMC Sierra 2500 AT4X
    Used

    2025 GMC Sierra 2500

    • AT4X
    • 24K mi
    80,000
    No Accidents
    Corwin Toyota Boulder
    • 2.55 mi. away
    Call
    New 2026 GMC Sierra 2500 AT4X
    Consider New, Similar Payment

    2026 GMC Sierra 2500

    • AT4X
    • 4 mi
    90,795
    Castle Rock Chevrolet GMC
    • 51.03 mi. away
    Call
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    Price Drop
    Used 2024 GMC Sierra 2500 AT4X
    Used

    2024 GMC Sierra 2500

    • AT4X
    • 14K mi
    82,714
    Dealer Fees Included
    No Accidents
    ClearShift
    • 35.61 mi. away
    Call
    Newly Listed
    Used 2025 GMC Sierra 2500 AT4X w/ AT4X AEV Edition
    Used

    2025 GMC Sierra 2500

    • AT4X
    • 50K mi
    75,998
    Good Price
    Dealer Fees Included
    No Accidents
    AutoNation Chrysler Dodge Jeep Ram Arapahoe
    • 36.93 mi. away
    Call
    Certified 2025 GMC Sierra 2500 AT4X w/ AT4X AEV Edition

    2025 GMC Sierra 2500

    • AT4X
    • 23K mi
    82,998
    Great Price
    Dealer Fees Included
    No Accidents
    Foundation Chevrolet CADILLAC
    • 18.45 mi. away
    Call
    Price Drop
    Used 2024 GMC Sierra 2500 AT4X
    Used

    2024 GMC Sierra 2500

    • AT4X
    • 31K mi
    72,590
    Great Price
    Dealer Fees Included
    No Accidents
    Weld County Garage
    • 38.17 mi. away
    • Online Paperwork
    Call
    Price Drop
    Used 2024 GMC Sierra 2500 AT4X w/ AT4X AEV Edition
    Used

    2024 GMC Sierra 2500

    • AT4X
    • 28K mi
    82,237
    Dealer Fees Included
    No Accidents
    AutoNation Buick GMC Park Meadows
    • 37.69 mi. away
    Call
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    Certified 2025 GMC Sierra 2500 AT4X

    2025 GMC Sierra 2500

    • AT4X
    • 24K mi
    84,698
    Dealer Fees Included
    Mike Maroone Chevrolet GMC Longmont
    • 16.63 mi. away
    Call
    Price Drop
    Used 2025 GMC Sierra 2500 AT4X
    Used

    2025 GMC Sierra 2500

    • AT4X
    • 68K mi
    72,607
    Dealer Fees Included
    No Accidents
    AutoNation Chrysler Dodge Jeep Ram Southwest
    • 28.84 mi. away
    Call
    Price Drop
    Used 2024 GMC Sierra 2500 AT4X w/ AT4X AEV Edition
    Used

    2024 GMC Sierra 2500

    • AT4X
    • 31K mi
    80,923
    Dealer Fees Included
    No Accidents
    AutoNation Buick GMC Park Meadows
    • 37.69 mi. away
    Call
    Price Drop
    Used 2025 GMC Sierra 2500 AT4X
    Used

    2025 GMC Sierra 2500

    • AT4X
    • 50K mi
    85,298
    Dealer Fees Included
    No Accidents
    Loveland Ford Lincoln
    • 30.2 mi. away
    Call
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    Used 2025 GMC Sierra 2500 AT4X
    Used

    2025 GMC Sierra 2500

    • AT4X
    • 51K mi
    76,989
    Dealer Fees Included
    No Accidents
    Loveland Buick GMC
    • 32.62 mi. away
    Call
    Newly Listed
    No Image Available
    Used

    2026 GMC Sierra 2500

    • AT4X
    • 5K mi
    87,399
    Dealer Fees Included
    No Accidents
    Foundation Chevrolet CADILLAC
    • 18.45 mi. away
    Call
    Newly Listed
    No Image Available
    Used

    2025 GMC Sierra 2500

    • AT4X
    • 10K mi
    87,855
    Dealer Fees Included
    No Accidents
    Can be shipped to
    Alpine Buick GMC
    • 28.82 mi. away
    • Delivery
    Call
    Used 2024 GMC Sierra 2500 AT4X w/ AT4X AEV Edition
    Used

    2024 GMC Sierra 2500

    • AT4X
    • 41K mi
    78,698
    Dealer Fees Included
    No Accidents
    Boulder Chrysler Dodge Ram
    • 1.98 mi. away
    Call
    Used 2024 GMC Sierra 2500 AT4X
    Used

    2024 GMC Sierra 2500

    • AT4X
    • 35K mi
    80,040
    Dealer Fees Included
    No Accidents
    Dealer
    • 35.61 mi. away
    Call
    Newly Listed
    Used 2026 GMC Sierra 2500 AT4X w/ LPO, Black Badging Package
    Used

    2026 GMC Sierra 2500

    • AT4X
    • 7K mi
    Contact Dealer For Price
    Dealer Fees Included
    No Accidents
    Foundation KIA
    • 18.47 mi. away
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