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Used GMC Sierra 1500 for Sale in New Castle, DE

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    Used 2021 GMC Sierra 1500 Denali w/ Denali Ultimate Package
    42,999
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    310 Matches

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    Used 2022 GMC Sierra 1500 SLT w/ SLT Premium Plus Package
    46,995
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    Great Price
    Used 2024 GMC Sierra 1500 AT4
    57,500
    Great Price
    Used 2024 GMC Sierra 1500 AT4 w/ Technology Package
    58,000
    Great Price
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    Used 2009 GMC Sierra 1500 SLE w/ Power Pack Plus
    Used
    • SLE
    • 156K mi
    8,000
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    Great Price
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    Certified 2021 GMC Sierra 1500 SLT
    Certified
    • SLT
    • 28K mi
    42,702
    Great Price
    New 2026 GMC Sierra 1500 Pro w/ Graphite Edition
    Consider New, Similar Payment
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    Newly Listed
    Used 2018 GMC Sierra 1500 Denali w/ Denali Ultimate Package
    Used
    • Denali
    • 101K mi
    29,555
    See payment
    Great Price

    How many passenger seats do you need in your truck?
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    Used 2024 GMC Sierra 1500 Pro
    39,900
    Great Price
    Certified 2025 GMC Sierra 1500 Elevation
    Certified
    • Elevation
    • 9K mi
    52,213
    See payment
    Great Price
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    Used 2022 GMC Sierra 1500 SLT
    49,988
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    Great Price
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    Used 2023 GMC Sierra 1500 AT4
    56,998
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    Great Price
    Newly Listed
    Used 2014 GMC Sierra 1500 SLT w/ Suspension Package, Off-Road
    26,395
    See payment
    Price Drop
    Certified 2023 GMC Sierra 1500 Elevation
    Certified
    • Elevation
    • 35K mi
    39,995
    Great Price
    Price Drop
    Used 2019 GMC Sierra 1500 AT4 w/ AT4 Premium Package
    37,855
    Great Price
    Price Drop
    Used 2024 GMC Sierra 1500 AT4 w/ Technology Package
    57,900
    Great Price
    Price Drop
    Used 2024 GMC Sierra 1500 AT4 w/ AT4 Premium Package
    57,900
    Great Price
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    Newly Listed
    Used 2022 GMC Sierra 1500 SLT w/ SLT Premium Package
    43,820
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    Great Price
    Used 2024 GMC Sierra 1500 AT4 w/ Technology Package
    60,995
    See payment
    Good Price
    High Demand
    Used 2025 GMC Sierra 1500 Elevation
    Used
    • Elevation
    • 6K mi
    44,987
    See payment
    Great Price
    Used 2023 GMC Sierra 1500 Denali w/ Denali Reserve Package
    Used
    • Denali
    • 9K mi
    57,495
    See payment
    Good Price
    Certified 2024 GMC Sierra 1500 Denali Ultimate
    Certified
    • Denali Ultimate
    • 6K mi
    67,495
    See payment
    Good Price
    Used 2022 GMC Sierra 1500 Elevation
    Used
    • Elevation
    • 24K mi
    42,995
    See payment
    Great Price
    Used 2023 GMC Sierra 1500 AT4X
    63,998
    See payment
    Good Price
    Used 2012 GMC Sierra 1500 SLE w/ Power Tech Package
    14,897
    See payment
    Good Price
    Used 2019 GMC Sierra 1500 SLT w/ SLT Premium Plus Package
    35,000
    See payment
    Great Price
    Price Drop
    Certified 2024 GMC Sierra 1500 SLT
    Certified
    • SLT
    • 37K mi
    38,936
    See payment
    Great Price
    Price Drop
    Used 2023 GMC Sierra 1500 Elevation
    Used
    • Elevation
    • 27K mi
    40,397
    Great Price
    Used 2022 GMC Sierra 1500 Elevation
    Used
    • Elevation
    • 24K mi
    41,797
    Great Price
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