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Used 2021 GMC Sierra 1500 for Sale in Allentown, PA

18102
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Items 1 to 2 of 10.
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    Used 2021 GMC Sierra 1500 SLT w/ SLT Premium Package
    41,900
    Great Price
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    Used 2021 GMC Sierra 1500 Elevation
    Used
    • Elevation
    • 66K mi
    35,750
    See payment
    Good Price
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    Used 2021 GMC Sierra 1500 SLT w/ SLT Premium Plus Package
    39,892
    See payment
    Good Price
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    Certified 2021 GMC Sierra 1500 Denali
     CarBravo Certified
    • Denali
    • 58K mi
    41,595
    See payment
    Good Price
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    Used 2021 GMC Sierra 1500 SLT w/ SLT Premium Plus Package
    39,892
    See payment
    Good Price
    360°
    Certified 2021 GMC Sierra 1500 AT4 w/ AT4 Value Package
    Certified
    • AT4
    • 73K mi
    38,335
    See payment
    Great Price
    New 2026 GMC Sierra 1500 Elevation w/ Elevation Select Package
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    Used 2021 GMC Sierra 1500 Denali
    Used
    • Denali
    • 32K mi
    47,995
    See payment
    Good Price
    Used 2021 GMC Sierra 1500 SLT w/ SLT Premium Package
    32,350
    See payment
    Good Price
    Price Drop
    Used 2021 GMC Sierra 1500 SLT
    36,495
    See payment
    Great Price
    Price Drop
    Used 2021 GMC Sierra 1500 Elevation
    Used
    • Elevation
    • 64K mi
    34,418
    See payment
    Great Price
    Used 2021 GMC Sierra 1500 Denali
    Used
    • Denali
    • 61K mi
    38,295
    See payment
    Great Price
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    Used 2021 GMC Sierra 1500 Denali w/ Denali Ultimate Package
    Used
    • Denali
    • 60K mi
    38,995
    See payment
    Great Price
    Newly Listed
    Used 2021 GMC Sierra 1500 Denali w/ Driver Alert Package II
    Used
    • Denali
    • 78K mi
    37,900
    See payment
    Great Price
    Price Drop
    Used 2021 GMC Sierra 1500 Denali w/ Denali Ultimate Package
    Used
    • Denali
    • 59K mi
    39,500
    See payment
    Great Price
    Used 2021 GMC Sierra 1500 Denali w/ Denali Ultimate Package
    Used
    • Denali
    • 66K mi
    40,995
    See payment
    Good Price
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    Used 2021 GMC Sierra 1500 Elevation
    Used
    • Elevation
    • 94K mi
    29,679
    See payment
    Great Price
    Price Drop
    Used 2021 GMC Sierra 1500 SLT w/ SLT Convenience Package
    33,726
    See payment
    Good Price
    Used 2021 GMC Sierra 1500 Elevation
    Used
    • Elevation
    • 66K mi
    35,750
    See payment
    Good Price
    Certified 2021 GMC Sierra 1500 Denali
     CarBravo Certified
    • Denali
    • 58K mi
    41,595
    See payment
    Good Price
    Used 2021 GMC Sierra 1500 Elevation
    Used
    • Elevation
    • 56K mi
    35,588
    See payment
    Good Price
    Used 2021 GMC Sierra 1500 SLE
    35,888
    See payment
    Newly Listed
    Used 2021 GMC Sierra 1500 AT4
    42,995
    See payment
    Certified 2021 GMC Sierra 1500 SLT
     CarBravo Certified
    • SLT
    • 20K mi
    42,695
    See payment
    Great Price
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