Skip to vehicle Listings

Used GMC Sierra 2500 Denali for Sale in Castle Rock, CO

Filters (4)
Items 1 to 2 of 10.
    Sponsored by Alpine Buick GMC
    Used 2020 GMC Sierra 2500 Denali w/ Denali Ultimate Package
    52,187
    See estimated payment
    Good Price
    Dealer Logo
    302View Vehicles

    37 Matches

    Used 2021 GMC Sierra 2500 Denali w/ Denali Black Diamond Edition
    Used
    • Denali
    • 39K mi
    61,999
    Great Price
    Used 2024 GMC Sierra 2500 Denali w/ Denali Reserve Package
    Used
    • Denali
    • 44K mi
    68,939
    Great Price
    Used 2020 GMC Sierra 2500 Denali w/ Denali Ultimate Package
    Used
    • Denali
    • 92K mi
    52,187
    Good Price
    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.
    Used 2026 GMC Sierra 2500 Denali w/ Denali Reserve Package
    Used
    • Denali
    • 2K mi
    125,000
    Used 2016 GMC Sierra 2500 Denali w/ Duramax Plus Package
    Used
    • Denali
    • 73K mi
    45,999
    Great Price
    New 2026 GMC Sierra 2500 AT4 w/ AT4 Premium Plus Package
    Advertisement
    Used 2024 GMC Sierra 2500 Denali w/ Denali Reserve Package
    Used
    • Denali
    • 44K mi
    68,939
    Great Price
    Item 1 of 4.
    Used
    • Denali
    • 72K mi
    57,098
    Used 2016 GMC Sierra 2500 Denali w/ Duramax Plus Package
    Used
    • Denali
    • 72K mi
    46,500
    Used 2019 GMC Sierra 2500 Denali w/ Duramax Plus Package
    Used
    • Denali
    • 145K mi
    36,499
    Great Price
    Used 2020 GMC Sierra 2500 Denali w/ Denali Ultimate Package
    Used
    • Denali
    • 67K mi
    57,299
    Good Price
    Advertisement
    Used 2021 GMC Sierra 2500 Denali w/ Denali Black Diamond Edition
    Used
    • Denali
    • 39K mi
    61,999
    Great Price
    Used 2021 GMC Sierra 2500 Denali w/ Denali Black Diamond Edition
    • Denali
    • 86K mi
    54,589
    Good Price
    Used 2022 GMC Sierra 2500 Denali w/ Denali Ultimate Package
    Used
    • Denali
    • 87K mi
    47,598
    Great Price
    Used 2022 GMC Sierra 2500 Denali
    Used
    • Denali
    • 104K mi
    49,999
    Great Price
    Advertisement
    Used 2022 GMC Sierra 2500 Denali
    Used
    • Denali
    • 88K mi
    50,498
    Great Price
    Certified 2026 GMC Sierra 2500 Denali
    • Denali
    • 13K mi
    74,698
    Great Price
    Used 2021 GMC Sierra 2500 Denali w/ Denali Ultimate Package
    Used
    • Denali
    • 34K mi
    59,291
    Great Price
    Used 2018 GMC Sierra 2500 Denali w/ Duramax Plus Package
    • Denali
    • 95K mi
    47,830
    Used 2025 GMC Sierra 2500 Denali w/ Max Trailering Package
    Used
    • Denali
    • 13K mi
    75,897
    Used 2022 GMC Sierra 2500 Denali w/ Denali Black Diamond Edition
    Used
    • Denali
    • 58K mi
    61,476
    Great Price
    Used 2024 GMC Sierra 2500 Denali w/ Denali Reserve Package
    Used
    • Denali
    • 30K mi
    70,699
    Used 2021 GMC Sierra 2500 Denali w/ Denali Ultimate Package
    Used
    • Denali
    • 72K mi
    57,098
    Used 2024 GMC Sierra 2500 Denali w/ Denali Reserve Package
    Used
    • Denali
    • 24K mi
    75,021
    Used 2022 GMC Sierra 2500 Denali w/ Denali Black Diamond Edition
    Used
    • Denali
    • 32K mi
    55,900
    Used 2024 GMC Sierra 2500 Denali w/ Denali Reserve Package
    Used
    • Denali
    • 20K mi
    72,194
    Used 2024 GMC Sierra 2500 Denali w/ Denali Reserve Package
    Used
    • Denali
    • 33K mi
    72,394
    Good Price
    Used 2019 GMC Sierra 2500 Denali w/ Duramax Plus Package
    Used
    • Denali
    • 73K mi
    44,100
    <!--{"relevance":[false,{}]}-->