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

Used 2025 GMC Sierra 1500 for Sale in Boulder, CO

Filters (4)
Items 1 to 2 of 12.
    Sponsored by O'Meara GMC
    Hide
    360°
    Used 2025 GMC Sierra 1500 SLT
    41,897
    O'Meara GMC
    (720) 702-3361
    Call
    Dealer Logo
    75View Vehicles

    47 Matches

    Used 2025 GMC Sierra 1500 SLT
    Used

    2025 GMC Sierra 1500

    • SLT
    • 40K mi
    44,816
    Great Price
    Dealer Fees Included
    No Accidents
    Sponsored by Arapahoe KIA
    • 36.6 mi. away
    • Online Paperwork
    • Delivery
    Call
    Price Drop
    Used 2025 GMC Sierra 1500 AT4 w/ AT4 Premium Package
    Used

    2025 GMC Sierra 1500

    • AT4
    • 26K mi
    46,300
    Sponsored by AutoSavvy Windsor
    • 33.53 mi. away
    Call
    Certified 2025 GMC Sierra 1500 AT4X

    2025 GMC Sierra 1500

    • AT4X
    • 11K mi
    65,874
    Great Price
    Dealer Fees Included
    No Accidents
    Can be shipped to
    Sponsored by Alpine Buick GMC
    • 28.82 mi. away
    • Delivery
    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
    Certified 2025 GMC Sierra 1500 Pro w/ Pro Value Package

    2025 GMC Sierra 1500

    • Pro
    • 38K mi
    36,804
    Great Price
    Dealer Fees Included
    Transwest GMC
    • 23.12 mi. away
    Call
    360°
    Used 2025 GMC Sierra 1500 SLT
    Used

    2025 GMC Sierra 1500

    • SLT
    • 38K mi
    42,491
    Great Price
    Dealer Fees Included
    No Accidents
    O'Meara Volkswagen of Thornton
    • 17.52 mi. away
    • Online Paperwork
    Call
    New 2026 GMC Sierra 1500 SLE
    Consider Buying New

    2026 GMC Sierra 1500

    • SLE
    • 3 mi
    47,306
    Castle Rock Chevrolet GMC
    • 51.03 mi. away
    Call
    Advertisement
    Used 2025 GMC Sierra 1500 AT4 w/ AT4 Premium Package
    Used

    2025 GMC Sierra 1500

    • AT4
    • 12K mi
    59,699
    Good Price
    Dealer Fees Included
    No Accidents
    Larry H. Miller Ford Lakewood
    • 21.97 mi. away
    Call
    Sponsored
    Item 1 of 4.
    Used 2025 GMC Sierra 1500 SLT
    Used

    2025 GMC Sierra 1500

    • SLT
    • 40K mi
    44,816
    Great Price
    Dealer Fees Included
    No Accidents
    Call
    Used 2025 GMC Sierra 1500 SLT w/ SLT Premium Plus Package
    Used

    2025 GMC Sierra 1500

    • SLT
    • 6K mi
    50,491
    Great Price
    Dealer Fees Included
    No Accidents
    AutoNation Toyota Arapahoe
    • 36.95 mi. away
    Call
    Used 2025 GMC Sierra 1500 SLT
    Used

    2025 GMC Sierra 1500

    • SLT
    • 40K mi
    44,816
    Great Price
    Dealer Fees Included
    No Accidents
    Arapahoe KIA
    • 36.6 mi. away
    • Online Paperwork
    • Delivery
    Call
    Used 2025 GMC Sierra 1500 Denali
    Used

    2025 GMC Sierra 1500

    • Denali
    • 21K mi
    57,897
    Good Price
    Dealer Fees Included
    No Accidents
    AutoNation Chevrolet North
    • 20.81 mi. away
    Call
    Advertisement
    Used 2025 GMC Sierra 1500 AT4 w/ Technology Package
    Used

    2025 GMC Sierra 1500

    • AT4
    • 12K mi
    56,998
    Dealer Fees Included
    No Accidents
    Phil Long Ford Denver
    • 28.74 mi. away
    Call
    Price Drop
    Used 2025 GMC Sierra 1500 AT4
    Used

    2025 GMC Sierra 1500

    • AT4
    • 25K mi
    55,198
    Great Price
    Dealer Fees Included
    No Accidents
    Larry H. Miller Chrysler Dodge Jeep RAM 104th
    • 17.55 mi. away
    Call
    360°
    Used 2025 GMC Sierra 1500 Pro w/ Graphite Edition
    Used

    2025 GMC Sierra 1500

    • Pro
    • 23K mi
    38,199
    Great Price
    Dealer Fees Included
    No Accidents
    Freeway Ford
    • 30.12 mi. away
    Call
    Price Drop
    Used 2025 GMC Sierra 1500 SLT
    Used

    2025 GMC Sierra 1500

    • SLT
    • 40K mi
    41,497
    Great Price
    Dealer Fees Included
    No Accidents
    EchoPark - Thornton
    • 18.89 mi. away
    Call
    Advertisement
    Used 2025 GMC Sierra 1500 Denali Ultimate
    Used

    2025 GMC Sierra 1500

    • Denali Ultimate
    • 8K mi
    69,586
    Dealer Fees Included
    No Accidents
    ClearShift
    • 35.61 mi. away
    Call
    Price Drop
    Used 2025 GMC Sierra 1500 Denali w/ Denali Reserve Package
    Used

    2025 GMC Sierra 1500

    • Denali
    • 15K mi
    55,652
    Great Price
    Dealer Fees Included
    No Accidents
    AutoNation Chrysler Dodge Jeep Ram Southwest
    • 28.84 mi. away
    Call
    Price Drop
    Certified 2025 GMC Sierra 1500 AT4

    2025 GMC Sierra 1500

    • AT4
    • 38K mi
    54,238
    Great Price
    Dealer Fees Included
    No Accidents
    JOHNSON AUTO PLAZA
    • 24.27 mi. away
    • Delivery
    Call
    360°
    Used 2025 GMC Sierra 1500 SLT
    Used

    2025 GMC Sierra 1500

    • SLT
    • 50K mi
    40,883
    No Accidents
    O'Meara GMC
    • 17.45 mi. away
    • Online Paperwork
    • Delivery
    Call
    360°
    Used 2025 GMC Sierra 1500 SLT
    Used

    2025 GMC Sierra 1500

    • SLT
    • 43K mi
    41,897
    No Accidents
    O'Meara GMC
    • 17.45 mi. away
    • Online Paperwork
    • Delivery
    Call
    360°
    Used 2025 GMC Sierra 1500 AT4
    Used

    2025 GMC Sierra 1500

    • AT4
    • 38K mi
    52,994
    No Accidents
    O'Meara GMC
    • 17.45 mi. away
    • Online Paperwork
    • Delivery
    Call
    Newly Listed
    Used 2025 GMC Sierra 1500 AT4 w/ AT4 Premium Package
    Used

    2025 GMC Sierra 1500

    • AT4
    • 7K mi
    62,000
    No Accidents
    Rickenbaugh Cadillac Volvo
    • 25.69 mi. away
    Call
    Used 2025 GMC Sierra 1500 SLT
    Used

    2025 GMC Sierra 1500

    • SLT
    • 42K mi
    40,797
    Great Price
    Dealer Fees Included
    No Accidents
    EchoPark - Thornton
    • 18.89 mi. away
    Call
    Used 2025 GMC Sierra 1500 Elevation w/ Elevation Premium Package
    Used

    2025 GMC Sierra 1500

    • Elevation
    • 4K mi
    62,500
    No Accidents
    Private Seller Exchange
    • 29.75 mi. away
    • Buy Online. Clean title. No Hassle
    Certified 2025 GMC Sierra 1500 AT4X

    2025 GMC Sierra 1500

    • AT4X
    • 20K mi
    64,988
    Great Price
    Dealer Fees Included
    JOHNSON AUTO PLAZA
    • 24.27 mi. away
    • Delivery
    Call
    Used 2025 GMC Sierra 1500 Denali w/ Denali Reserve Package
    Used

    2025 GMC Sierra 1500

    • Denali
    • 31K mi
    57,449
    Good Price
    Dealer Fees Included
    No Accidents
    Shortline Buick GMC
    • 31.79 mi. away
    Call
    Used 2025 GMC Sierra 1500 AT4 w/ Technology Package
    Used

    2025 GMC Sierra 1500

    • AT4
    • 25K mi
    57,374
    Good Price
    Dealer Fees Included
    No Accidents
    ClearShift
    • 35.61 mi. away
    Call
    Used 2025 GMC Sierra 1500 Denali w/ Denali Reserve Package
    Used

    2025 GMC Sierra 1500

    • Denali
    • 18K mi
    58,590
    Good Price
    Dealer Fees Included
    No Accidents
    ClearShift
    • 35.61 mi. away
    Call
    Advertisement
    <!--{"relevance":[true,{"relevanceVersion":"relevance-v5"}],"cypress_e2e":[false,{}],"cypressE2e":[false,{}]}-->