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

Used GMC Sierra 1500 AT4X for Sale in Westminster, CO

Filters (4)
Items 1 to 2 of 12.
    Sponsored by Red Rock GMC
    Hide
    Used 2026 GMC Sierra 1500 AT4X
    79,535
    Dealer Fees Included
    Similar Match
    Red Rock GMC
    1 (855) 646-2294
    Call
    Dealer Logo
    58View Vehicles

    19 Matches

    Used 2024 GMC Sierra 1500 AT4X
    Used

    2024 GMC Sierra 1500

    • AT4X
    • 56K mi
    54,248
    Good Price
    Dealer Fees Included
    No Accidents
    Sponsored by Loveland Buick GMC
    • 41.88 mi. away
    Call
    Used 2024 GMC Sierra 1500 AT4X w/ AT4X AEV Edition
    Used

    2024 GMC Sierra 1500

    • AT4X
    • 31K mi
    60,199
    Great Price
    Dealer Fees Included
    No Accidents
    Sponsored by Lamborghini Aston Martin Maserati McLaren Denver
    • 18.52 mi. away
    Call
    Used 2025 GMC Sierra 1500 AT4X
    Used

    2025 GMC Sierra 1500

    • AT4X
    • 35K mi
    59,968
    Dealer Fees Included
    No Accidents
    Sponsored by Ken Garff Ford Fort Collins
    • 47.73 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.
    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
    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
    New 2026 GMC Sierra 1500 AT4X
    Consider Buying New

    2026 GMC Sierra 1500

    • AT4X
    • 12 mi
    75,044
    Castle Rock Chevrolet GMC
    • 33.97 mi. away
    Call
    Advertisement
    360°
    Used 2024 GMC Sierra 1500 AT4X w/ AT4X AEV Edition
    Used

    2024 GMC Sierra 1500

    • AT4X
    • 34K mi
    58,977
    No Accidents
    O'Meara GMC
    • 3.99 mi. away
    • Online Paperwork
    • Delivery
    Call
    Newly Listed
    Used 2024 GMC Sierra 1500 AT4X
    Used

    2024 GMC Sierra 1500

    • AT4X
    • 67K mi
    54,998
    Dealer Fees Included
    No Accidents
    AutoNation Subaru Arapahoe
    • 18.34 mi. away
    Call
    Used 2024 GMC Sierra 1500 AT4X
    Used

    2024 GMC Sierra 1500

    • AT4X
    • 52K mi
    56,708
    Good Price
    Dealer Fees Included
    No Accidents
    Alpine Chevrolet
    • 13.22 mi. away
    Call
    Used 2024 GMC Sierra 1500 AT4X w/ AT4X AEV Edition
    Used

    2024 GMC Sierra 1500

    • AT4X
    • 31K mi
    60,199
    Great Price
    Dealer Fees Included
    No Accidents
    Lamborghini Aston Martin Maserati McLaren Denver
    • 18.52 mi. away
    Call
    Certified 2023 GMC Sierra 1500 AT4X

    2023 GMC Sierra 1500

    • AT4X
    • 45K mi
    54,744
    Great Price
    Dealer Fees Included
    No Accidents
    JOHNSON AUTO PLAZA
    • 12.93 mi. away
    • Delivery
    Call
    Advertisement
    Used 2023 GMC Sierra 1500 AT4X
    Used

    2023 GMC Sierra 1500

    • AT4X
    • 102K mi
    44,981
    Good Price
    Dealer Fees Included
    No Accidents
    Interstate Ford
    • 17.9 mi. away
    Call
    Certified 2025 GMC Sierra 1500 AT4X

    2025 GMC Sierra 1500

    • AT4X
    • 20K mi
    64,988
    Good Price
    Dealer Fees Included
    JOHNSON AUTO PLAZA
    • 12.93 mi. away
    • Delivery
    Call
    Used 2024 GMC Sierra 1500 AT4X
    Used

    2024 GMC Sierra 1500

    • AT4X
    • 51K mi
    58,351
    Good Price
    Dealer Fees Included
    No Accidents
    AutoNation Buick GMC Park Meadows
    • 19.78 mi. away
    Call
    Used 2025 GMC Sierra 1500 AT4X
    Used

    2025 GMC Sierra 1500

    • AT4X
    • 8K mi
    65,850
    Great Price
    Dealer Fees Included
    No Accidents
    Can be shipped to
    Alpine Buick GMC
    • 13.93 mi. away
    • Delivery
    Call
    Advertisement
    Used 2024 GMC Sierra 1500 AT4X
    Used

    2024 GMC Sierra 1500

    • AT4X
    • 19K mi
    62,411
    Dealer Fees Included
    No Accidents
    Can be shipped to
    Alpine Buick GMC
    • 13.93 mi. away
    • Delivery
    Call
    Used 2024 GMC Sierra 1500 AT4X
    Used

    2024 GMC Sierra 1500

    • AT4X
    • 56K mi
    54,248
    Good Price
    Dealer Fees Included
    No Accidents
    Loveland Buick GMC
    • 41.88 mi. away
    Call
    Newly Listed
    Used 2026 GMC Sierra 1500 AT4X w/ AT4X AEV Edition
    Used

    2026 GMC Sierra 1500

    • AT4X
    • 609 mi
    72,990
    No Accidents
    O'Meara Ford
    • 4.49 mi. away
    Call
    Used 2024 GMC Sierra 1500 AT4X
    Used

    2024 GMC Sierra 1500

    • AT4X
    • 29K mi
    61,525
    Dealer Fees Included
    No Accidents
    Can be shipped to
    Alpine Buick GMC
    • 13.93 mi. away
    • Delivery
    Call
    Used 2025 GMC Sierra 1500 AT4X
    Used

    2025 GMC Sierra 1500

    • AT4X
    • 35K mi
    59,968
    Dealer Fees Included
    No Accidents
    Ken Garff Ford Fort Collins
    • 47.73 mi. away
    Call
    Used 2025 GMC Sierra 1500 AT4X w/ AT4X AEV Edition
    Used

    2025 GMC Sierra 1500

    • AT4X
    • 27K mi
    64,546
    Dealer Fees Included
    No Accidents
    Can be shipped to
    Alpine Buick GMC
    • 13.93 mi. away
    • Delivery
    Call
    Used 2026 GMC Sierra 1500 AT4X
    Used

    2026 GMC Sierra 1500

    • AT4X
    • 16K mi
    67,581
    Dealer Fees Included
    No Accidents
    Interstate Ford
    • 17.9 mi. away
    Call
    Used 2023 GMC Sierra 1500 AT4X
    Used

    2023 GMC Sierra 1500

    • AT4X
    • 51K mi
    59,000
    No Accidents
    Ghent Chevrolet Cadillac
    • 42.12 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,{}]}-->