Skip to vehicle Listings
Online car buying built around you. Shop Now

Used GMC Sierra 1500 for Sale in Boulder, CO

80302
Filters (3)
Items 1 to 2 of 14.
    Sponsored by O'Meara GMC
    Used 2023 GMC Sierra 1500 Denali Ultimate
    63,670
    Dealer Logo
    63View Vehicles

    363 Matches

    Used 2023 GMC Sierra 1500 Elevation w/ X31 Off-Road Package
    Used
    • Elevation
    • 36K mi
    44,949
    Used 2023 GMC Sierra 1500 SLT w/ X31 Off-Road Package
    43,746
    Used 2023 GMC Sierra 1500 AT4 w/ Technology Package
    52,995
    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 2024 GMC Sierra 1500 Denali Ultimate
    Certified
    • Denali Ultimate
    • 6K mi
    64,000
    Certified 2023 GMC Sierra 1500 Denali w/ Denali Reserve Package
    Certified
    • Denali
    • 20K mi
    53,900
    New 2026 GMC Sierra 1500 SLT w/ SLT Premium Plus Package
    Advertisement
    Used 2023 GMC Sierra 1500 Elevation
    Used
    • Elevation
    • 13K mi
    39,900
    Item 1 of 4.
    32,780
    Certified 2020 GMC Sierra 1500 SLT w/ SLT Premium Plus Package
    • SLT
    • 70K mi
    35,898
    Used 2016 GMC Sierra 1500 SLT
    26,500
    Used 2020 GMC Sierra 1500 AT4 w/ Technology Package
    38,000
    Advertisement
    Used 2021 GMC Sierra 1500 AT4 w/ AT4 Preferred Package
    42,900
    Used 2023 GMC Sierra 1500 Denali Ultimate
    Used
    • Denali Ultimate
    • 16K mi
    63,670
    Used 2025 GMC Sierra 1500 Elevation w/ Preferred Package
    Used
    • Elevation
    • 3K mi
    49,997
    Used 2021 GMC Sierra 1500 Denali w/ Denali Ultimate Package
    Used
    • Denali
    • 41K mi
    45,888
    Advertisement
    Used 2014 GMC Sierra 1500 Denali
    Used
    • Denali
    • 109K mi
    30,000
    Used 2017 GMC Sierra 1500 SLT
    Used
    • SLT
    • 100K mi
    26,500
    Used 2017 GMC Sierra 1500 SLT w/ SLT Premium Package
    • SLT
    • 55K mi
    32,780
    Used 2019 GMC Sierra 1500 Denali w/ Technology Package
    Used
    • Denali
    • 79K mi
    37,000
    Used 2019 GMC Sierra 1500 AT4 w/ AT4 Premium Package
    33,298
    Used 2018 GMC Sierra 1500 Denali w/ Denali Ultimate Package
    Used
    • Denali
    • 46K mi
    37,698
    Used 2026 GMC Sierra 1500 Elevation
    Used
    • Elevation
    • 522 mi
    47,198
    Used 2019 GMC Sierra 1500 AT4 w/ Technology Package
    34,743
    Used 2019 GMC Sierra 1500 Denali w/ Denali Ultimate Package
    Used
    • Denali
    • 59K mi
    40,694
    Used 2023 GMC Sierra 1500 Denali
    Used
    • Denali
    • 26K mi
    55,588
    Certified 2022 GMC Sierra 1500 Elevation w/ Preferred Package
    • Elevation
    • 60K mi
    35,898
    Used 2021 GMC Sierra 1500 Denali w/ Denali Ultimate Package
    Used
    • Denali
    • 75K mi
    40,098
    Used 2022 GMC Sierra 1500 Elevation w/ X31 Off-Road Package
    Used
    • Elevation
    • 15K mi
    46,898

    GMC Sierra 1500 for Sale by Year

    Used GMC Sierra 1500 for Sale by Trim

    View All Trims
    <!--{"relevance":[false,{}]}-->