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Used 2021 GMC Sierra 1500 for Sale in Westminster, CO

80030
Filters (4)
Items 1 to 2 of 11.
    Sponsored by Red Rock GMC
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    Used 2022 GMC Sierra 1500 Elevation w/ Preferred Package
    42,995
    Similar Match
    Red Rock GMC
    1 (855) 646-2294
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    58View Vehicles

    41 Matches

    Used 2021 GMC Sierra 1500 AT4 w/ Technology Package

    2021 GMC Sierra 1500

    • AT4
    • 67K mi
    38,998
    Dealer Fees Included
    Sponsored by Castle Rock Chrysler Dodge Jeep RAM
    • 33.95 mi. away
    Call
    Used 2021 GMC Sierra 1500 AT4 w/ AT4 Preferred Package
    Used

    2021 GMC Sierra 1500

    • AT4
    • 83K mi
    37,391
    Dealer Fees Included
    Can be shipped to
    Sponsored by Alpine Buick GMC
    • 13.93 mi. away
    • Delivery
    Call
    Used 2021 GMC Sierra 1500 Elevation w/ LPO, Elevation Black Package
    Used

    2021 GMC Sierra 1500

    • Elevation
    • 111K mi
    29,380
    Dealer Fees Included
    No Accidents
    Sponsored by JOHNSON AUTO PLAZA
    • 12.93 mi. away
    • Delivery
    Call
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    Based on 4.5% APR for mos.
    Used 2021 GMC Sierra 1500 AT4 w/ AT4 Preferred Package
    Used

    2021 GMC Sierra 1500

    • AT4
    • 58K mi
    42,900
    No Accidents
    Private Seller Exchange
    • 4.48 mi. away
    • Buy Online. Clean title. No Hassle
    Newly Listed
    Used 2021 GMC Sierra 1500 Elevation
    Used

    2021 GMC Sierra 1500

    • Elevation
    • 97K mi
    30,390
    Private Seller Exchange
    • Buy Online. Clean title. No Hassle
    New 2025 GMC Sierra 1500 Denali Ultimate
    Consider New, Similar Payment

    2025 GMC Sierra 1500

    • Denali Ultimate
    • 33 mi
    83,692
    Castle Rock Chevrolet GMC
    • 33.97 mi. away
    Call
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    High Demand
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    Used 2021 GMC Sierra 1500 Denali w/ Denali Ultimate Package
    Used

    2021 GMC Sierra 1500

    • Denali
    • 41K mi
    45,888
    No Accidents
    O'Meara GMC
    • 3.99 mi. away
    • Online Paperwork
    • Delivery
    Call
    Used 2021 GMC Sierra 1500 AT4
    Used

    2021 GMC Sierra 1500

    • AT4
    • 57K mi
    41,968
    Dealer Fees Included
    No Accidents
    Christopher's Dodge Ram
    • 10.67 mi. away
    Call
    Certified 2021 GMC Sierra 1500 Elevation
    Certified

    2021 GMC Sierra 1500

    • Elevation
    • 58K mi
    37,488
    Dealer Fees Included
    No Accidents
    JOHNSON AUTO PLAZA
    • 12.93 mi. away
    • Delivery
    Call
    Newly Listed
    360°
    Used 2021 GMC Sierra 1500 AT4 w/ AT4 Value Package
    Used

    2021 GMC Sierra 1500

    • AT4
    • 153K mi
    33,243
    Dealer Fees Included
    John Elway Chevrolet
    • 14.67 mi. away
    Call
    Used 2021 GMC Sierra 1500 Denali
    Used

    2021 GMC Sierra 1500

    • Denali
    • 57K mi
    43,995
    Dealer Fees Included
    No Accidents
    Greenwood Automotive
    • 17.75 mi. away
    Call
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    Price Drop
    Used 2021 GMC Sierra 1500 Elevation w/ X31 Off-Road Package
    Used

    2021 GMC Sierra 1500

    • Elevation
    • 70K mi
    32,291
    No Accidents
    Groove Toyota
    • 14.9 mi. away
    Call
    Used 2021 GMC Sierra 1500 AT4 w/ Technology Package

    2021 GMC Sierra 1500

    • AT4
    • 67K mi
    38,998
    Dealer Fees Included
    Castle Rock Chrysler Dodge Jeep RAM
    • 33.95 mi. away
    Call
    Used 2021 GMC Sierra 1500 Elevation w/ LPO, Elevation Black Package
    Used

    2021 GMC Sierra 1500

    • Elevation
    • 111K mi
    29,380
    Dealer Fees Included
    No Accidents
    JOHNSON AUTO PLAZA
    • 12.93 mi. away
    • Delivery
    Call
    Used 2021 GMC Sierra 1500 Denali w/ Denali Ultimate Package
    Used

    2021 GMC Sierra 1500

    • Denali
    • 61K mi
    43,299
    No Accidents
    Interstate Ford
    • 17.9 mi. away
    Call
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    Used 2021 GMC Sierra 1500 Denali w/ Denali Ultimate Package
    Used

    2021 GMC Sierra 1500

    • Denali
    • 46K mi
    45,385
    Dealer Fees Included
    No Accidents
    Can be shipped to
    Alpine Buick GMC
    • 13.93 mi. away
    • Delivery
    Call
    Used 2021 GMC Sierra 1500 Denali w/ Denali Ultimate Package
    Used

    2021 GMC Sierra 1500

    • Denali
    • 75K mi
    39,898
    Dealer Fees Included
    No Accidents
    Mike Maroone Chevrolet GMC Longmont
    • 22.78 mi. away
    Call
    Used 2021 GMC Sierra 1500 Elevation w/ Preferred Package
    Used

    2021 GMC Sierra 1500

    • Elevation
    • 40K mi
    37,092
    Dealer Fees Included
    No Accidents
    Weld County Garage
    • 41.65 mi. away
    • Online Paperwork
    Call
    Newly Listed
    Used 2021 GMC Sierra 1500 SLT w/ SLT Convenience Package
    Used

    2021 GMC Sierra 1500

    • SLT
    • 33K mi
    44,346
    Dealer Fees Included
    No Accidents
    AutoNation Buick GMC Park Meadows
    • 19.78 mi. away
    Call
    Used 2021 GMC Sierra 1500 AT4 w/ AT4 Value Package
    Used

    2021 GMC Sierra 1500

    • AT4
    • 86K mi
    36,991
    No Accidents
    ClearShift
    • 18.6 mi. away
    Call
    Used 2021 GMC Sierra 1500 AT4
    Used

    2021 GMC Sierra 1500

    • AT4
    • 76K mi
    37,988
    No Accidents
    ClearShift
    • 18.6 mi. away
    Call
    Used 2021 GMC Sierra 1500 Elevation w/ LPO, Elevation Black Package
    Used

    2021 GMC Sierra 1500

    • Elevation
    • 109K mi
    26,499
    No Accidents
    Foundation Chevrolet CADILLAC
    • 5.47 mi. away
    Call
    Certified 2021 GMC Sierra 1500 AT4 w/ AT4 Premium Package

    2021 GMC Sierra 1500

    • AT4
    • 142K mi
    33,098
    Dealer Fees Included
    Mike Maroone Chevrolet GMC Longmont
    • 22.78 mi. away
    Call
    Used 2021 GMC Sierra 1500 AT4 w/ AT4 Preferred Package
    Used

    2021 GMC Sierra 1500

    • AT4
    • 93K mi
    35,991
    No Accidents
    ClearShift
    • 18.6 mi. away
    Call
    Price Drop
    Used 2021 GMC Sierra 1500 Denali w/ Denali Ultimate Package
    Used

    2021 GMC Sierra 1500

    • Denali
    • 84K mi
    37,969
    ClearShift
    • 39.97 mi. away
    Call
    Used 2021 GMC Sierra 1500 Elevation w/ X31 Off-Road Package
    Used

    2021 GMC Sierra 1500

    • Elevation
    • 94K mi
    32,320
    No Accidents
    Custom Cars West
    • 12.44 mi. away
    Call
    Newly Listed
    Used 2021 GMC Sierra 1500 SLT w/ SLT Premium Plus Package
    Used

    2021 GMC Sierra 1500

    • SLT
    • 50K mi
    39,990
    McDonald Toyota
    • 41.72 mi. away
    Call
    Used 2021 GMC Sierra 1500 AT4 w/ AT4 Preferred Package
    Used

    2021 GMC Sierra 1500

    • AT4
    • 83K mi
    37,391
    Dealer Fees Included
    Can be shipped to
    Alpine Buick GMC
    • 13.93 mi. away
    • Delivery
    Call
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