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Used GMC Diesel Truck for Sale in Allentown, PA

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    Used 2021 GMC Sierra 1500 Elevation w/ X31 Off-Road Package
    34,990
    Great Price
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    Certified 2022 GMC Sierra 2500 Denali
    • Denali
    • 56K mi
    63,477
    Good Price
    Certified 2024 GMC Sierra 1500 Elevation w/ Elevation Premium Package
    • Elevation
    • 59K mi
    46,579
    Good Price
    Used 2020 GMC Sierra 2500 Denali w/ Denali Ultimate Package
    Used
    • Denali
    • 109K mi
    47,490
    Great Price
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    Based on 4.5% APR for mos.
    Certified 2025 GMC Sierra 1500 Denali w/ Denali Reserve Package
    • Denali
    • 8K mi
    61,466
    Great Price
    Used 2018 GMC Sierra 2500 Denali w/ Duramax Plus Package
    Used
    • Denali
    • 78K mi
    50,167
    Great Price
    New 2026 GMC Canyon Elevation w/ Convenience Package
    • Elevation
    • 1 mi
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    Used 2020 GMC Sierra 2500 AT4 w/ AT4 Premium Package
    53,671
    Good Price
    Used 2024 GMC Sierra 2500 Denali Ultimate
    Used
    • Denali Ultimate
    • 10K mi
    80,440
    Good Price
    Used 2023 GMC Sierra 1500 AT4 w/ Technology Package
    53,747
    Good Price
    Certified 2022 GMC Sierra 2500 Denali
    • Denali
    • 56K mi
    63,477
    Good Price
    Certified 2024 GMC Sierra 2500 Denali w/ Snow Plow Prep/Camper Package
    • Denali
    • 20K mi
    71,923
    Great Price
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    Used 2020 GMC Sierra 1500 Denali w/ Denali Ultimate Package
    Used
    • Denali
    • 59K mi
    38,780
    Great Price
    Used 2023 GMC Sierra 1500 AT4 w/ Technology Package
    51,749
    Used 2024 GMC Sierra 2500 AT4 w/ AT4 Premium Plus Package
    83,728
    Used 2026 GMC Sierra 2500 AT4 w/ AT4 Premium Plus Package
    88,916
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    Used 2021 GMC Sierra 1500 AT4 w/ AT4 Preferred Package
    39,547
    Great Price
    Used 2021 GMC Sierra 1500 AT4 w/ AT4 Value Package
    37,974
    Good Price
    Used 2022 GMC Sierra 2500 SLT w/ Driver Alert Package I
    57,299
    Great Price
    Used 2024 GMC Sierra 3500 Denali Ultimate
    Used
    • Denali Ultimate
    • 17K mi
    78,298
    Great Price
    Certified 2023 GMC Yukon SLT w/ SLT Premium Package
    • SLT
    • 33K mi
    61,457
    Certified 2024 GMC Sierra 1500 Elevation w/ Elevation Premium Package
    • Elevation
    • 59K mi
    46,579
    Good Price
    Used 2023 GMC Sierra 1500 AT4 w/ AT4 Premium Package
    53,600
    Great Price
    Used 2023 GMC Sierra 1500 AT4 w/ Technology Package
    57,480
    Used 2019 GMC Sierra 2500 Denali w/ Duramax Plus Package
    Used
    • Denali
    • 102K mi
    46,778
    Good Price
    Used 2021 GMC Sierra 1500 Denali w/ Denali Ultimate Package
    Used
    • Denali
    • 75K mi
    39,650
    Good Price
    Used 2023 GMC Sierra 1500 Denali
    Used
    • Denali
    • 30K mi
    52,490
    Used 2016 GMC Sierra 3500 SLE w/ SLE Preferred Package
    36,047
    Used 2021 GMC Sierra 1500 Elevation
    Used
    • Elevation
    • 88K mi
    32,480
    Great Price
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