Autotrader Logo
Skip to vehicle Listings
Your next car is just a chat away. Try AI Mode

Used GMC Sierra 1500 for Sale in Westminster, CO

Filters (3)
Items 1 to 2 of 16.
    Sponsored by Red Rock GMC
    Hide
    Used 2024 GMC Sierra 1500 Elevation w/ LPO, GMC Protection Package
    50,221
    Dealer Fees Included
    Red Rock GMC
    1 (855) 646-2294
    Call
    Dealer Logo
    58View Vehicles

    356 Matches

    Used 2024 GMC Sierra 1500 Denali w/ Denali Reserve Package
    Used

    2024 GMC Sierra 1500

    • Denali
    • 30K mi
    58,190
    Dealer Fees Included
    No Accidents
    Sponsored by Alpine Chevrolet
    • 13.22 mi. away
    Call
    Used 2025 GMC Sierra 1500 SLT
    Used

    2025 GMC Sierra 1500

    • SLT
    • 42K mi
    40,397
    Dealer Fees Included
    No Accidents
    Sponsored by EchoPark - Thornton
    • 4.83 mi. away
    Call
    Used 2025 GMC Sierra 1500 SLT
    Used

    2025 GMC Sierra 1500

    • SLT
    • 40K mi
    40,397
    Great Price
    Dealer Fees Included
    No Accidents
    Sponsored by EchoPark - Thornton
    • 4.83 mi. away
    Call
    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.
    Price Drop
    360°
    Used 2023 GMC Sierra 1500 Elevation w/ Elevation Premium Package
    Used

    2023 GMC Sierra 1500

    • Elevation
    • 24K mi
    45,999
    Great Price
    Dealer Fees Included
    No Accidents
    Emich Chevrolet
    • 10.64 mi. away
    Call
    Price Drop
    Used 2024 GMC Sierra 1500 Denali w/ Denali Reserve Package
    Used

    2024 GMC Sierra 1500

    • Denali
    • 14K mi
    57,000
    Great Price
    Dealer Fees Included
    No Accidents
    Larry H. Miller Ford Lakewood
    • 8.58 mi. away
    Call
    New 2026 GMC Sierra 1500 Pro w/ Convenience Package
    Consider Buying New

    2026 GMC Sierra 1500

    • Pro
    • 4 mi
    35,167
    Castle Rock Chevrolet GMC
    • 33.97 mi. away
    Call
    Advertisement
    High Demand
    360°
    Used 2021 GMC Sierra 1500 SLT

    2021 GMC Sierra 1500

    • SLT
    • 13K mi
    43,999
    Great Price
    Dealer Fees Included
    No Accidents
    Freeway Ford
    • 11.78 mi. away
    Call
    Sponsored
    Item 1 of 4.
    Used 2023 GMC Sierra 1500 Elevation w/ X31 Off-Road Package
    Used

    2023 GMC Sierra 1500

    • Elevation
    • 65K mi
    41,680
    Dealer Fees Included
    No Accidents
    Call
    Price Drop
    360°
    Used 2023 GMC Sierra 1500 Elevation w/ Elevation Premium Package
    Used

    2023 GMC Sierra 1500

    • Elevation
    • 25K mi
    45,799
    Good Price
    Dealer Fees Included
    No Accidents
    Emich Chevrolet
    • 10.64 mi. away
    Call
    Price Drop
    360°
    Used 2020 GMC Sierra 1500 Denali w/ Denali Ultimate Package
    Used

    2020 GMC Sierra 1500

    • Denali
    • 55K mi
    39,800
    Great Price
    Dealer Fees Included
    No Accidents
    McDonald Volkswagen
    • 15.51 mi. away
    Call
    High Demand
    360°
    Used 2014 GMC Sierra 1500 SLT
    Used

    2014 GMC Sierra 1500

    • SLT
    • 67K mi
    25,799
    Good Price
    Dealer Fees Included
    Emich Chevrolet
    • 10.64 mi. away
    Call
    Advertisement
    Newly Listed
    Used 2017 GMC Sierra 1500 Denali
    Used

    2017 GMC Sierra 1500

    • Denali
    • 76K mi
    33,487
    Great Price
    Dealer Fees Included
    No Accidents
    The Sharpest Rides
    • 10.71 mi. away
    • Delivery
    Call
    Newly Listed
    Used 2020 GMC Sierra 1500 Denali w/ Denali Ultimate Package
    Used

    2020 GMC Sierra 1500

    • Denali
    • 45K mi
    42,900
    No Additional Dealer Fees
    Planet Honda
    • 10.08 mi. away
    Call
    Newly Listed
    Used 2014 GMC Sierra 1500 SLT
    Used

    2014 GMC Sierra 1500

    • SLT
    • 104K mi
    23,990
    Dealer Fees Included
    No Accidents
    AutoNation Chrysler Jeep West
    • 10.54 mi. away
    Call
    360°
    Used 2019 GMC Sierra 1500 SLT w/ SLT Premium Package
    Used

    2019 GMC Sierra 1500

    • SLT
    • 79K mi
    35,691
    Good Price
    Dealer Fees Included
    No Accidents
    Phil Long Ford Denver
    • 13.77 mi. away
    Call
    Advertisement
    360°
    Used 2026 GMC Sierra 1500 AT4X

    2026 GMC Sierra 1500

    • AT4X
    • 5K mi
    71,998
    Dealer Fees Included
    No Accidents
    Phil Long Ford Denver
    • 13.77 mi. away
    Call
    360°
    Used 2025 GMC Sierra 1500 Elevation
    Used

    2025 GMC Sierra 1500

    • Elevation
    • 11K mi
    45,299
    Great Price
    Dealer Fees Included
    No Accidents
    Emich Chevrolet
    • 10.64 mi. away
    Call
    Used 2025 GMC Sierra 1500 AT4 w/ AT4 Premium Package
    Used

    2025 GMC Sierra 1500

    • AT4
    • 12K mi
    57,000
    Great Price
    Dealer Fees Included
    No Accidents
    Larry H. Miller Ford Lakewood
    • 8.58 mi. away
    Call
    Newly Listed
    Used 2024 GMC Sierra 1500 AT4X
    Used

    2024 GMC Sierra 1500

    • AT4X
    • 23K mi
    62,639
    Good Price
    Dealer Fees Included
    No Accidents
    AutoNation Chrysler Dodge Jeep Ram Arapahoe
    • 18.57 mi. away
    Call
    Certified 2018 GMC Sierra 1500 SLE w/ SLE Value Package

    2018 GMC Sierra 1500

    • SLE
    • 71K mi
    27,593
    Good Price
    Dealer Fees Included
    No Accidents
    Transwest GMC
    • 7.92 mi. away
    Call
    360°
    Used 2023 GMC Sierra 1500 SLT w/ SLT Convenience Package
    Used

    2023 GMC Sierra 1500

    • SLT
    • 25K mi
    46,800
    No Accidents
    O'Meara GMC
    • 3.99 mi. away
    • Online Paperwork
    • Delivery
    Call
    High Demand
    Used 2018 GMC Sierra 1500 SLT w/ SLT Premium Package
    Used

    2018 GMC Sierra 1500

    • SLT
    • 102K mi Mileage Value
    22,292
    Great Price
    Dealer Fees Included
    No Accidents
    Stevinson Toyota East
    • 12.42 mi. away
    Call
    Newly Listed
    Used 2026 GMC Sierra 1500 Denali Ultimate
    Used

    2026 GMC Sierra 1500

    • Denali Ultimate
    • 9K mi
    67,888
    No Accidents
    O'Meara GMC
    • 3.99 mi. away
    • Online Paperwork
    • Delivery
    Call
    Price Drop
    Used 2021 GMC Sierra 1500 SLE w/ LPO, GMC Protection Package
    Used

    2021 GMC Sierra 1500

    • SLE
    • 68K mi
    31,199
    Good Price
    Dealer Fees Included
    No Accidents
    AutoNation Buick GMC West
    • 10.62 mi. away
    Call
    Used 2021 GMC Sierra 1500 AT4 w/ AT4 Value Package
    Used

    2021 GMC Sierra 1500

    • AT4
    • 39K mi
    44,157
    Great Price
    Dealer Fees Included
    No Accidents
    Alpine Chevrolet
    • 13.22 mi. away
    Call
    Newly Listed
    Used 2025 GMC Sierra 1500 AT4 w/ AT4 Premium Package
    Used

    2025 GMC Sierra 1500

    • AT4
    • 8K mi
    58,350
    Dealer Fees Included
    No Accidents
    Mike Maroone Cadillac
    • 17.11 mi. away
    Call
    Price Drop
    Used 2021 GMC Sierra 1500 Denali w/ Denali Ultimate Package
    Used

    2021 GMC Sierra 1500

    • Denali
    • 45K mi
    38,996
    Dealer Fees Included
    No Accidents
    Foundation Chevrolet CADILLAC
    • 5.47 mi. away
    Call
    360°
    Used 2025 GMC Sierra 1500 AT4 w/ Technology Package

    2025 GMC Sierra 1500

    • AT4
    • 12K mi
    56,998
    Dealer Fees Included
    No Accidents
    Phil Long Ford Denver
    • 13.77 mi. away
    Call
    Price Drop
    360°
    Used 2025 GMC Sierra 1500 Pro w/ Graphite Edition
    Used

    2025 GMC Sierra 1500

    • Pro
    • 23K mi
    36,999
    Great Price
    Dealer Fees Included
    No Accidents
    Freeway Ford
    • 11.78 mi. away
    Call
    Price Drop
    Used 2024 GMC Sierra 1500 Elevation w/ LPO, Elevation Black Package
    Used

    2024 GMC Sierra 1500

    • Elevation
    • 22K mi
    44,945
    Great Price
    Dealer Fees Included
    No Accidents
    Land Rover Denver
    • 15.81 mi. away
    Call
    Advertisement

    GMC Sierra 1500 for Sale by Year

    Used GMC Sierra 1500 for Sale by Trim

    View All Trims
    <!--{"relevance":[true,{"relevanceVersion":"relevance-v5"}],"cypress_e2e":[false,{}],"cypressE2e":[false,{}]}-->