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

Used 2021 GMC Sierra 1500 for Sale in Westminster, CO

Filters (4)
Items 1 to 2 of 10.
    Sponsored by Red Rock GMC
    Hide
    Used 2022 GMC Sierra 1500 Elevation w/ Elevation Premium Package
    42,146
    Dealer Fees Included
    Similar Match
    Red Rock GMC
    1 (855) 646-2294
    Call
    Dealer Logo
    58View Vehicles

    42 Matches

    High Demand
    Used 2021 GMC Sierra 1500 4x4 Double Cab w/ Fleet Convenience Package
    Used

    2021 GMC Sierra 1500

    • 4x4 Double Cab
    • 91K mi
    19,000
    Dealer Fees Included
    Sponsored by Larry H Miller Chrysler Dodge Ram FIAT Denver
    • 14.45 mi. away
    Call
    Price Drop
    Certified 2021 GMC Sierra 1500 Denali w/ Denali Ultimate Package

    2021 GMC Sierra 1500

    • Denali
    • 46K mi
    43,763
    Great Price
    Dealer Fees Included
    No Accidents
    Can be shipped to
    Sponsored by Alpine Buick GMC
    • 13.93 mi. away
    • Delivery
    Call
    Price Drop
    Used 2021 GMC Sierra 1500 Denali w/ Denali Carbonpro Edition
    Used

    2021 GMC Sierra 1500

    • Denali
    • 101K mi
    32,597
    Dealer Fees Included
    No Accidents
    Sponsored by Castle Rock Chevrolet GMC
    • 33.97 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.
    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
    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
    New 2026 GMC Sierra 1500 AT4X
    Consider Buying New

    2026 GMC Sierra 1500

    • AT4X
    • 24 mi
    75,663
    Castle Rock Chevrolet GMC
    • 33.97 mi. away
    Call
    Advertisement
    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
    Sponsored
    High Demand
    360°
    Item 1 of 4.
    Used 2021 GMC Sierra 1500 SLT w/ SLT Premium Plus Package
    Price Reduced!
    Used

    2021 GMC Sierra 1500

    • SLT
    • 93K mi
    34,310
    No Accidents
    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
    Price Drop
    Used 2021 GMC Sierra 1500 SLT w/ SLT Premium Plus Package
    Used

    2021 GMC Sierra 1500

    • SLT
    • 62K mi
    36,990
    Dealer Fees Included
    No Accidents
    AutoNation Chevrolet North
    • 2.8 mi. away
    Call
    Price Drop
    360°
    Used 2021 GMC Sierra 1500 SLT
    Used

    2021 GMC Sierra 1500

    • SLT
    • 98K mi
    31,556
    No Accidents
    O'Meara GMC
    • 3.99 mi. away
    • Online Paperwork
    • Delivery
    Call
    Advertisement
    Used 2021 GMC Sierra 1500 SLT w/ SLT Premium Plus Package
    Used

    2021 GMC Sierra 1500

    • SLT
    • 64K mi
    38,999
    Dealer Fees Included
    No Accidents
    AutoNation Buick GMC West
    • 10.62 mi. away
    Call
    Newly Listed
    Used 2021 GMC Sierra 1500 AT4 w/ AT4 Value Package
    Used

    2021 GMC Sierra 1500

    • AT4
    • 153K mi
    34,487
    Dealer Fees Included
    Family Trucks and Vans
    • 11.16 mi. away
    Call
    High Demand
    360°
    Used 2021 GMC Sierra 1500 SLT w/ SLT Premium Plus Package

    2021 GMC Sierra 1500

    • SLT
    • 93K mi
    34,310
    No Accidents
    Sill-TerHar Motors
    • 6.82 mi. away
    • Delivery
    Call
    Used 2021 GMC Sierra 1500 Elevation w/ Preferred Package
    Used

    2021 GMC Sierra 1500

    • Elevation
    • 85K mi
    33,298
    Good Price
    Dealer Fees Included
    No Accidents
    Phil Long Ford Denver
    • 13.77 mi. away
    Call
    Advertisement
    Used 2021 GMC Sierra 1500 Elevation w/ X31 Off-Road Package
    Used

    2021 GMC Sierra 1500

    • Elevation
    • 59K mi
    34,593
    Dealer Fees Included
    No Accidents
    ClearShift
    • 18.6 mi. away
    Call
    High Demand
    Used 2021 GMC Sierra 1500 4x4 Double Cab w/ Fleet Convenience Package
    Used

    2021 GMC Sierra 1500

    • 4x4 Double Cab
    • 91K mi
    19,000
    Dealer Fees Included
    Larry H Miller Chrysler Dodge Ram FIAT Denver
    • 14.45 mi. away
    Call
    Price Drop
    Used 2021 GMC Sierra 1500 AT4 w/ AT4 Value Package
    Used

    2021 GMC Sierra 1500

    • AT4
    • 98K mi
    34,999
    Good Price
    Dealer Fees Included
    No Accidents
    Groove Toyota
    • 14.9 mi. away
    Call
    Used 2021 GMC Sierra 1500 SLT w/ SLT Premium Package
    Used

    2021 GMC Sierra 1500

    • SLT
    • 96K mi
    33,298
    Dealer Fees Included
    No Accidents
    Larry H. Miller Chrysler Dodge Jeep RAM 104th
    • 4.1 mi. away
    Call
    360°
    Used 2021 GMC Sierra 1500 Denali w/ Denali Ultimate Package
    Used

    2021 GMC Sierra 1500

    • Denali
    • 132K mi
    31,797
    Dealer Fees Included
    Can be shipped to
    Springs Automotive Group in Denver
    • 13.45 mi. away
    • Delivery
    Call
    Price Drop
    Certified 2021 GMC Sierra 1500 Denali w/ Denali Ultimate Package

    2021 GMC Sierra 1500

    • Denali
    • 46K mi
    43,763
    Great Price
    Dealer Fees Included
    No Accidents
    Can be shipped to
    Alpine Buick GMC
    • 13.93 mi. away
    • Delivery
    Call
    Used 2021 GMC Sierra 1500 Elevation w/ X31 Off-Road Package
    Used

    2021 GMC Sierra 1500

    • Elevation
    • 98K mi
    31,170
    Good Price
    Dealer Fees Included
    No Accidents
    Interstate Ford
    • 17.9 mi. away
    Call
    Price Drop
    Used 2021 GMC Sierra 1500 AT4
    Used

    2021 GMC Sierra 1500

    • AT4
    • 79K mi
    34,926
    Dealer Fees Included
    AutoNation Chrysler Dodge Jeep Ram Arapahoe
    • 18.57 mi. away
    Call
    Used 2021 GMC Sierra 1500 AT4
    Used

    2021 GMC Sierra 1500

    • AT4
    • 96K mi
    36,949
    Dealer Fees Included
    No Accidents
    Alpine Chevrolet
    • 13.22 mi. away
    Call
    Used 2021 GMC Sierra 1500 Denali w/ Denali Ultimate Package
    Used

    2021 GMC Sierra 1500

    • Denali
    • 25K mi
    49,148
    Dealer Fees Included
    Can be shipped to
    Springs Automotive Group in Denver
    • 13.45 mi. away
    • Delivery
    Call
    Price Drop
    Used 2021 GMC Sierra 1500 SLT
    Used

    2021 GMC Sierra 1500

    • SLT
    • 94K mi
    25,790
    Dealer Fees Included
    No Accidents
    Groove Subaru
    • 14.76 mi. away
    Call
    Used 2021 GMC Sierra 1500 AT4 w/ AT4 Preferred Package
    Used

    2021 GMC Sierra 1500

    • AT4
    • 111K mi
    31,396
    Dealer Fees Included
    No Accidents
    AutoNation Dodge Ram Broadway
    • 15.15 mi. away
    Call
    Used 2021 GMC Sierra 1500 Denali w/ Denali Ultimate Package
    Used

    2021 GMC Sierra 1500

    • Denali
    • 86K mi
    37,487
    Dealer Fees Included
    The Sharpest Rides
    • 10.71 mi. away
    • Delivery
    Call
    Certified 2021 GMC Sierra 1500 Elevation w/ X31 Off-Road Package

    2021 GMC Sierra 1500

    • Elevation
    • 28K mi
    38,550
    Dealer Fees Included
    Can be shipped to
    Alpine Buick GMC
    • 13.93 mi. away
    • Delivery
    Call
    Used 2021 GMC Sierra 1500 AT4 w/ Technology Package
    Used

    2021 GMC Sierra 1500

    • AT4
    • 109K mi
    33,291
    Dealer Fees Included
    No Accidents
    Castle Rock Ford
    • 33.21 mi. away
    Call
    Advertisement
    <!--{"relevance":[true,{"relevanceVersion":"relevance-v5"}],"cypress_e2e":[false,{}],"cypressE2e":[false,{}]}-->