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Used GMC Trucks for Sale in Thurmont, MD

21788
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Items 1 to 2 of 15.
    Sponsored by Ideal Buick GMC Hyundai
    Used 2021 GMC Sierra 1500 Denali w/ Denali Premium Package
    32,900
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    Used 2004 GMC Sierra 2500 SLE w/ Heavy-Duty Power Package
    Used
    • SLE
    • 319K mi
    14,995
    Used 2024 GMC Sierra 1500 Elevation w/ LPO, Elevation Black Package
    Used
    • Elevation
    • 23K mi
    47,884
    Certified 2024 GMC Sierra 2500 AT4 w/ AT4 Premium Plus Package
    • AT4
    • 35K mi
    68,930
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    Based on 4.5% APR for mos.
    Used 2022 GMC Sierra 1500 Elevation
    Used
    • Elevation
    • 36K mi
    39,990
    Used 2025 GMC Sierra 1500 Denali Ultimate
    Used
    • Denali Ultimate
    • 4K mi
    71,794
    New 2026 GMC Sierra 1500 AT4 w/ AT4 Premium Package
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    Certified 2025 GMC Canyon AT4 w/ Nightfall Edition
    • AT4
    • 7K mi
    44,776
    Item 1 of 4.
    Used
    • Denali
    • 78K mi
    41,994
    Used 2025 GMC Sierra 2500 SLE w/ SLE Value Package;
    60,394
    Used 2023 GMC Canyon AT4X
    Used
    • AT4X
    • 20K mi
    45,287
    Used 2025 GMC Sierra 1500 SLT
    44,794
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    Used 2025 GMC Sierra 1500 AT4
    60,284
    Used 2026 GMC Sierra 1500 Denali w/ Technology Package
    Used
    • Denali
    • 5K mi
    64,990
    Used 2025 GMC Sierra 2500 AT4
    73,784
    Used 2023 GMC Sierra 1500 Elevation w/ X31 Off-Road Package
    Used
    • Elevation
    • 37K mi
    38,000
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    Used 2024 GMC Sierra 1500 Elevation
    Used
    • Elevation
    • 19K mi
    45,000
    Certified 2024 GMC Sierra 1500 AT4X
    • AT4X
    • 18K mi
    62,990
    Used 2025 GMC Sierra 2500 AT4
    72,784
    Used 2021 GMC Sierra 1500 Denali
    Used
    • Denali
    • 49K mi
    46,865
    Used 2024 GMC Sierra 1500 SLT w/ SLT Premium Plus Package
    49,990
    Certified 2023 GMC Sierra 1500 Denali w/ Denali Reserve Package
    • Denali
    • 39K mi
    52,990
    Certified 2023 GMC Sierra 1500 AT4 w/ Technology Package
    • AT4
    • 36K mi
    53,490
    Used 2023 GMC Sierra 1500 AT4
    50,287
    Used 2018 GMC Canyon Denali
    Used
    • Denali
    • 33K mi
    31,000
    Used 2016 GMC Sierra 2500 Denali w/ Duramax Plus Package
    Used
    • Denali
    • 60K mi
    47,000
    Used 2025 GMC Sierra 2500 SLT w/ X31 Off-Road Package
    66,300
    Used 2004 GMC Sierra 3500 SLT w/ Heavy-Duty Power Package
    Used
    • SLT
    • 202K mi
    22,695
    Used 2016 GMC Sierra 3500 Denali w/ Duramax Plus Package
    Used
    • Denali
    • 60K mi
    50,995
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