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Used 2026 GMC Sierra 3500 for Sale in Denver, CO

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Items 1 to 2 of 4.

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    Certified 2026 GMC Sierra 3500 Denali w/ Denali Reserve Package

    2026 GMC Sierra 3500

    • Denali
    • 4K mi
    82,297
    Dealer Fees Included
    No Accidents
    Sponsored by Castle Rock Chevrolet GMC
    • 26.73 mi. away
    Call
    Used 2026 GMC Sierra 3500 SLE w/ SLE Value Package
    Used

    2026 GMC Sierra 3500

    • SLE
    • 15K mi
    80,000
    No Accidents
    Sponsored by Ghent Chevrolet Cadillac
    • 47.52 mi. away
    Call
    Certified 2026 GMC Sierra 3500 AT4 w/ AT4 Premium Plus Package

    2026 GMC Sierra 3500

    • AT4
    • 12K mi
    75,298
    Great Price
    Dealer Fees Included
    No Accidents
    Sponsored by Castle Rock Chevrolet GMC
    • 26.73 mi. away
    Call
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    $

    Based on 4.5% APR for mos.
    Used 2026 GMC Sierra 3500 SLT w/ SLT Premium Package
    Used

    2026 GMC Sierra 3500

    • SLT
    • 400 mi
    74,593
    Dealer Fees Included
    No Accidents
    Transwest GMC
    • 10.58 mi. away
    Call
    Price Drop
    Certified 2026 GMC Sierra 3500 Denali w/ Denali Reserve Package

    2026 GMC Sierra 3500

    • Denali
    • 4K mi
    82,297
    Dealer Fees Included
    No Accidents
    Castle Rock Chevrolet GMC
    • 26.73 mi. away
    Call
    Certified 2026 GMC Sierra 3500 AT4 w/ AT4 Premium Plus Package

    2026 GMC Sierra 3500

    • AT4
    • 12K mi
    75,298
    Great Price
    Dealer Fees Included
    No Accidents
    Castle Rock Chevrolet GMC
    • 26.73 mi. away
    Call
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    Used 2026 GMC Sierra 3500 Denali
    Used

    2026 GMC Sierra 3500

    • Denali
    • 5K mi
    82,897
    Dealer Fees Included
    No Accidents
    Castle Rock Chevrolet GMC
    • 26.73 mi. away
    Call
    Used 2026 GMC Sierra 3500 Denali Ultimate
    Used

    2026 GMC Sierra 3500

    • Denali Ultimate
    • 16K mi
    85,586
    Dealer Fees Included
    No Accidents
    ClearShift
    • 11.56 mi. away
    Call
    Certified 2026 GMC Sierra 3500 SLE w/ SLE Convenience Package

    2026 GMC Sierra 3500

    • SLE
    • 366 mi
    68,797
    Dealer Fees Included
    No Accidents
    Castle Rock Chevrolet GMC
    • 26.73 mi. away
    Call
    Used 2026 GMC Sierra 3500 SLE w/ SLE Value Package
    Used

    2026 GMC Sierra 3500

    • SLE
    • 15K mi
    80,000
    No Accidents
    Ghent Chevrolet Cadillac
    • 47.52 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
    • 20.91 mi. away
    Call
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    Used 2026 GMC Sierra 3500 SLE w/ SLE Convenience Package
    Used

    2026 GMC Sierra 3500

    • SLE
    • 364 mi
    68,597
    Dealer Fees Included
    No Accidents
    Castle Rock Chevrolet GMC
    • 26.73 mi. away
    Call
    Used 2026 GMC Sierra 3500 Denali Ultimate
    Used

    2026 GMC Sierra 3500

    • Denali Ultimate
    • 686 mi
    93,397
    Dealer Fees Included
    No Accidents
    Castle Rock Chevrolet GMC
    • 26.73 mi. away
    Call
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