Skip to vehicle Listings

Used 2026 GMC Sierra 2500 for Sale in Longmont, CO

Filters (4)
Items 1 to 2 of 7.

    5 Matches

    Used 2026 GMC Sierra 2500 Denali Ultimate
    Used
    • Denali Ultimate
    • 697 mi
    87,698
    Certified 2026 GMC Sierra 2500 Denali
    • Denali
    • 13K mi
    74,698
    Used 2026 GMC Sierra 2500 Denali w/ Denali Reserve Package
    Used
    • Denali
    • 2K mi
    125,000
    My Wallet

    Find it Fast.

    Keep it Affordable.

    Credit Rating
    Trade-In Value
    Get My Kelley Blue Book® CarValue
    Get My Payoff Quote

    $

    Based on 4.5% APR for mos.
    Certified 2026 GMC Sierra 2500 Denali
    • Denali
    • 13K mi
    74,698
    No Image Available
    87,399
    Used 2026 GMC Sierra 2500 Denali Ultimate
    Used
    • Denali Ultimate
    • 697 mi
    87,698
    Advertisement
    Used 2026 GMC Sierra 2500 AT4X w/ LPO, Black Badging Package
    Contact Dealer For Price
    You have reached the maximum results allowed for a search. Please update your search criteria.
    <!--{"relevance":[false,{}]}-->