Autotrader Logo
Skip to vehicle Listings

Used 2026 GMC Sierra 1500 for Sale in Boulder, CO

Filters (4)
Items 1 to 2 of 10.
    Sponsored by O'Meara GMC
    Hide
    Used 2025 GMC Sierra 1500 SLT
    39,540
    Great Price
    Dealer Fees Included
    Similar Match
    O'Meara GMC
    (720) 702-3361
    Call
    Dealer Logo
    58View Vehicles

    24 Matches

    Newly Listed
    Used 2026 GMC Sierra 1500 AT4
    Used

    2026 GMC Sierra 1500

    • AT4
    • 12K mi
    55,997
    Great Price
    Dealer Fees Included
    No Accidents
    Sponsored by EchoPark - Thornton
    • 18.89 mi. away
    Call
    Price Drop
    Used 2026 GMC Sierra 1500 Elevation
    Used

    2026 GMC Sierra 1500

    • Elevation
    • 12K mi
    51,082
    Dealer Fees Included
    No Accidents
    Sponsored by Mike Maroone Chevrolet GMC Longmont
    • 16.63 mi. away
    Call
    Used 2026 GMC Sierra 1500 Denali
    Used

    2026 GMC Sierra 1500

    • Denali
    • 10K mi
    64,030
    Good Price
    Dealer Fees Included
    No Accidents
    Sponsored by Davidson-Gebhardt Chevrolet
    • 32.53 mi. away
    • Delivery
    Call
    Newly Listed
    Used 2026 GMC Sierra 1500 AT4
    Used

    2026 GMC Sierra 1500

    • AT4
    • 12K mi
    55,997
    Great Price
    Dealer Fees Included
    No Accidents
    EchoPark - Thornton
    • 18.89 mi. away
    Call
    Price Drop
    Used 2026 GMC Sierra 1500 Pro w/ Pro Value Package
    Used

    2026 GMC Sierra 1500

    • Pro
    • 8K mi
    46,381
    Dealer Fees Included
    No Accidents
    Interstate Ford
    • 17.11 mi. away
    Call
    360°
    Used 2026 GMC Sierra 1500 AT4X

    2026 GMC Sierra 1500

    • AT4X
    • 5K mi
    68,998
    Dealer Fees Included
    No Accidents
    Phil Long Ford Denver
    • 28.74 mi. away
    Call
    Used 2026 GMC Sierra 1500 Denali Ultimate
    Used

    2026 GMC Sierra 1500

    • Denali Ultimate
    • 9K mi
    68,396
    Good Price
    Dealer Fees Included
    No Accidents
    Foundation Chevrolet CADILLAC
    • 18.45 mi. away
    Call
    Advertisement
    Price Drop
    Used 2026 GMC Sierra 1500 Elevation
    Used

    2026 GMC Sierra 1500

    • Elevation
    • 12K mi
    51,082
    Dealer Fees Included
    No Accidents
    Mike Maroone Chevrolet GMC Longmont
    • 16.63 mi. away
    Call
    Price Drop
    360°
    Used 2026 GMC Sierra 1500 AT4X w/ AT4X AEV Edition
    Used

    2026 GMC Sierra 1500

    • AT4X
    • 609 mi
    72,183
    No Accidents
    O'Meara Ford
    • 18.28 mi. away
    Call
    Newly Listed
    Used 2026 GMC Sierra 1500 AT4
    Used

    2026 GMC Sierra 1500

    • AT4
    • 13K mi
    55,997
    Dealer Fees Included
    No Accidents
    EchoPark - Thornton
    • 18.89 mi. away
    Call
    Used 2026 GMC Sierra 1500 Elevation w/ Elevation Premium Package

    2026 GMC Sierra 1500

    • Elevation
    • 2K mi
    56,998
    Dealer Fees Included
    No Accidents
    Phil Long Ford Denver
    • 28.74 mi. away
    Call
    Used 2026 GMC Sierra 1500 Denali Ultimate
    Used

    2026 GMC Sierra 1500

    • Denali Ultimate
    • 10K mi
    68,316
    Dealer Fees Included
    No Accidents
    ClearShift
    • 35.61 mi. away
    Call
    Price Drop
    Certified 2026 GMC Sierra 1500 Elevation

    2026 GMC Sierra 1500

    • Elevation
    • 15K mi
    47,396
    Dealer Fees Included
    No Accidents
    Foundation Chevrolet CADILLAC
    • 18.45 mi. away
    Call
    Advertisement
    Used 2026 GMC Sierra 1500 Denali
    Used

    2026 GMC Sierra 1500

    • Denali
    • 10K mi
    63,344
    Good Price
    Dealer Fees Included
    No Accidents
    Subaru of Loveland
    • 32.53 mi. away
    • Delivery
    Call
    Newly Listed
    No Image Available
    Used

    2026 GMC Sierra 1500

    • AT4
    • 3K mi
    61,683
    Great Price
    Dealer Fees Included
    No Accidents
    Loveland Buick GMC
    • 32.62 mi. away
    Call
    Certified 2026 GMC Sierra 1500 Elevation

    2026 GMC Sierra 1500

    • Elevation
    • 7K mi
    46,081
    Good Price
    Dealer Fees Included
    No Accidents
    Can be shipped to
    Alpine Buick GMC
    • 28.82 mi. away
    • Delivery
    Call
    360°
    Used 2026 GMC Sierra 1500 AT4 w/ AT4 Premium Package
    Used

    2026 GMC Sierra 1500

    • AT4
    • 2K mi
    60,509
    No Accidents
    Young Chevrolet Idaho
    • Delivery
    Call
    Advertisement
    Used 2026 GMC Sierra 1500 Denali Ultimate
    Used

    2026 GMC Sierra 1500

    • Denali Ultimate
    • 2K mi
    72,797
    Dealer Fees Included
    No Accidents
    Can be shipped to
    Alpine Buick GMC
    • 28.82 mi. away
    • Delivery
    Call
    Used 2026 GMC Sierra 1500 AT4X
    Used

    2026 GMC Sierra 1500

    • AT4X
    • 13K mi
    68,990
    Dealer Fees Included
    No Accidents
    Pedersen Toyota Volvo
    • 36.73 mi. away
    Call
    Used 2026 GMC Sierra 1500 SLT w/ SLT Premium Plus Package
    Used

    2026 GMC Sierra 1500

    • SLT
    • 4K mi
    42,800
    Autolocity Motors
    • Delivery
    Call
    Used 2026 GMC Sierra 1500 Elevation w/ Elevation Premium Package
    Used

    2026 GMC Sierra 1500

    • Elevation
    • 6K mi
    44,000
    Autolocity Motors
    • Delivery
    Call
    Used 2026 GMC Sierra 1500 Elevation
    Used

    2026 GMC Sierra 1500

    • Elevation
    • 2K mi
    46,995
    Autolocity Motors
    • Delivery
    Call
    Used 2026 GMC Sierra 1500 AT4 w/ Technology Package
    Used

    2026 GMC Sierra 1500

    • AT4
    • 547 mi
    51,500
    Autolocity Motors
    • Delivery
    Call
    Newly Listed
    Used 2026 GMC Sierra 1500 AT4
    Used

    2026 GMC Sierra 1500

    • AT4
    • 12K mi
    55,997
    Great Price
    Dealer Fees Included
    No Accidents
    Sponsored by EchoPark - Thornton
    • 18.89 mi. away
    Call
    Used 2026 GMC Sierra 1500 Denali w/ Technology Package
    Used

    2026 GMC Sierra 1500

    • Denali
    • 7K mi
    52,500
    Autolocity Motors
    • Delivery
    Call
    Price Drop
    Used 2026 GMC Sierra 1500 AT4X
    Used

    2026 GMC Sierra 1500

    • AT4X
    • 16K mi
    64,959
    Dealer Fees Included
    No Accidents
    Interstate Ford
    • 17.11 mi. away
    Call
    Used 2026 GMC Sierra 1500 AT4 w/ AT4 Premium Package
    Used

    2026 GMC Sierra 1500

    • AT4
    • 13K mi
    50,500
    Autolocity Motors
    • Delivery
    Call
    Certified 2026 GMC Sierra 1500 AT4X

    2026 GMC Sierra 1500

    • AT4X
    • 6K mi
    67,889
    No Accidents
    Dealer
    • 37.71 mi. away
    Call
    You have reached the maximum results allowed for a search. Please update your search criteria.
    Advertisement
    <!--{"relevance":[true,{"relevanceVersion":"relevance-v5"}],"cypress_e2e":[false,{}],"cypressE2e":[false,{}]}-->