Skip to vehicle Listings

Used 2021 GMC Sierra 1500 for Sale in Allen, TX

Filters (4)
Items 1 to 2 of 12.
    Sponsored by Ferguson Superstore
    Used 2021 GMC Sierra 1500 AT4
    42,000
    Great Price
    Dealer Logo
    191View Vehicles

    63 Matches

    Used 2021 GMC Sierra 1500 Denali w/ Technology Package
    Used
    • Denali
    • 54K mi
    43,224
    Good Price
    Used 2021 GMC Sierra 1500 Denali w/ Driver Alert Package II
    Used
    • Denali
    • 67K mi
    40,225
    Used 2021 GMC Sierra 1500 Elevation
    Used
    • Elevation
    • 137K mi
    27,995
    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.
    Used 2021 GMC Sierra 1500 Denali w/ Denali Ultimate Package
    Used
    • Denali
    • 69K mi
    39,025
    Great Price
    Used 2021 GMC Sierra 1500 SLT
    39,195
    Great Price
    New 2026 GMC Sierra 1500 Denali Ultimate
    • Denali Ultimate
    • 3 mi
    Advertisement
    Used 2021 GMC Sierra 1500 Elevation
    Used
    • Elevation
    • 45K mi
    35,210
    Great Price
    Used 2021 GMC Sierra 1500 AT4
    44,195
    Good Price
    Used 2021 GMC Sierra 1500 Denali w/ Denali Ultimate Package
    Used
    • Denali
    • 68K mi
    41,112
    Great Price
    Used 2021 GMC Sierra 1500 Elevation
    Used
    • Elevation
    • 60K mi
    29,221
    Great Price
    Used 2021 GMC Sierra 1500 Elevation
    Used
    • Elevation
    • 43K mi
    31,723
    Good Price
    Advertisement
    Used 2021 GMC Sierra 1500 Denali w/ Driver Alert Package II
    Used
    • Denali
    • 59K mi
    37,913
    Used 2021 GMC Sierra 1500 AT4
    Used
    • AT4
    • 136K mi
    29,000
    Used 2021 GMC Sierra 1500 Denali w/ Denali Ultimate Package
    Used
    • Denali
    • 62K mi
    44,073
    Used 2021 GMC Sierra 1500 AT4 w/ AT4 Premium Package
    42,945
    Good Price
    Advertisement
    Used 2021 GMC Sierra 1500 Elevation
    Used
    • Elevation
    • 112K mi
    31,801
    Used 2021 GMC Sierra 1500 SLT
    Used
    • SLT
    • 109K mi
    32,990
    Used 2021 GMC Sierra 1500 AT4 w/ AT4 Value Package
    Used
    • AT4
    • 101K mi
    33,025
    Great Price
    Used 2021 GMC Sierra 1500 AT4 w/ AT4 Premium Package
    Used
    • AT4
    • 115K mi
    32,758
    Great Price
    Used 2021 GMC Sierra 1500 SLT
    30,783
    Great Price
    Used 2021 GMC Sierra 1500 SLT
    37,723
    Good Price
    Used 2021 GMC Sierra 1500 SLT
    34,805
    Used 2021 GMC Sierra 1500 SLT
    31,202
    Great Price
    Used 2021 GMC Sierra 1500 Denali w/ Technology Package
    Used
    • Denali
    • 54K mi
    43,224
    Good Price
    Used 2021 GMC Sierra 1500 Elevation w/ Driver Alert Package I
    Used
    • Elevation
    • 107K mi
    24,724
    Good Price
    Used 2021 GMC Sierra 1500 Elevation
    Used
    • Elevation
    • 57K mi
    36,025
    Used 2021 GMC Sierra 1500 AT4 w/ AT4 Value Package
    Used
    • AT4
    • 115K mi
    33,702
    Good Price
    Used 2021 GMC Sierra 1500 SLT
    39,202
    <!--{"relevance":[false,{}]}-->