Used GMC Sierra 3500 for Sale

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    Sponsored by Castle Buick GMC
    New 2026 GMC Sierra 3500 SLE w/ SLE Value Package
    66,706
    MSRP$79,210
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    Castle Buick GMC
    • (708) 526-8906
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    Used 2021 GMC Sierra 3500 4x4 Crew Cab w/ Convenience Package
    Used
    • 4x4 Crew Cab
    • 70K mi
    43,176
    Great Price
    Certified 2024 GMC Sierra 3500 Denali w/ Technology Package
    • Denali
    • 52K mi
    62,888
    Used 2024 GMC Sierra 3500 Denali w/ Denali Reserve Package
    Used
    • Denali
    • 28K mi
    68,988
    Certified 2025 GMC Sierra 3500 SLT w/ SLT Convenience Package
    • SLT
    • 6K mi
    61,948
    Great Price
    Certified 2024 GMC Sierra 3500 Denali w/ Technology Package
    • Denali
    • 52K mi
    62,888
    Used 2018 GMC Sierra 3500 Denali w/ Duramax Plus Package
    Used
    • Denali
    • 115K mi
    46,620
    New 2026 GMC Sierra 1500 Pro w/ Pro Value Package
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    Used 2024 GMC Sierra 3500 Denali w/ Denali Reserve Package
    Used
    • Denali
    • 135K mi
    57,686
    Used 2023 GMC Sierra 3500 AT4 w/ AT4 Preferred Package
    55,812
    Great Price
    Certified 2024 GMC Sierra 3500 Denali w/ Denali Reserve Package
    • Denali
    • 30K mi
    63,167
    Great Price
    Used 2021 GMC Sierra 3500 4x4 Crew Cab w/ Convenience Package
    Used
    • 4x4 Crew Cab
    • 70K mi
    43,176
    Great Price
    Certified 2020 GMC Sierra 3500 SLE w/ SLE Value Package
    • SLE
    • 77K mi
    37,878
    Used 2024 GMC Sierra 3500 Denali w/ Denali Reserve Package
    Used
    • Denali
    • 28K mi
    68,988
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    Used 2025 GMC Sierra 3500 Pro
    50,395
    Good Price
    Used 2013 GMC Sierra 3500 W/T w/ Snow Plow Prep Package
    30,326
    Used 2019 GMC Sierra 3500 Denali w/ Duramax Plus Package
    Used
    • Denali
    • 70K mi
    45,295
    No Image Available
    Used
    • Denali
    • 89K mi
    49,995
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    Used 2023 GMC Sierra 3500 Denali w/ Denali Black Diamond Edition
    • Denali
    • 36K mi
    60,635
    Great Price
    Used 2018 GMC Sierra 3500 Denali w/ Duramax Plus Package
    Used
    • Denali
    • 141K mi
    40,038
    Good Price
    Used 2025 GMC Sierra 3500 Denali Ultimate
    • Denali Ultimate
    • 28K mi
    76,500
    Great Price
    Used 2024 GMC Sierra 3500 Denali Ultimate
    Used
    • Denali Ultimate
    • 50K mi
    70,447
    Good Price
    Used 2012 GMC Sierra 3500 Denali
    Used
    • Denali
    • 137K mi
    29,995
    Used 2016 GMC Sierra 3500 Denali w/ Duramax Plus Package
    Used
    • Denali
    • 101K mi
    40,995
    Used 2024 GMC Sierra 3500 Denali w/ Denali Reserve Package
    Used
    • Denali
    • 135K mi
    57,686
    Used 2024 GMC Sierra 3500 Denali Ultimate
    Used
    • Denali Ultimate
    • 49K mi
    72,878
    Good Price
    Used 2017 GMC Sierra 3500 Denali w/ Duramax Plus Package
    Used
    • Denali
    • 141K mi
    34,900
    Used 2020 GMC Sierra 3500 SLT w/ SLT Premium Plus Package
    45,912
    Used 2016 GMC Sierra 3500 Denali w/ Duramax Plus Package
    Used
    • Denali
    • 167K mi
    30,412
    Great Price
    No Image Available
    74,663
    Great Price
    No Image Available
    Used
    • Denali Ultimate
    • 40K mi
    79,797
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