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Used GMC Trucks for Sale in San Marcos, TX

78666
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Items 1 to 2 of 16.
    Sponsored by Covert Buick GMC Austin
    Certified 2026 GMC Sierra 1500 Elevation w/ LPO, Elevation Black Package
    48,900
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    Great Price
    Similar Match
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    449 Matches

    Used 2020 GMC Sierra 1500 SLT
    30,990
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    Great Price
    Certified 2024 GMC Sierra 2500 Denali Ultimate
     CarBravo Certified
    • Denali Ultimate
    • 7K mi
    83,894
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    Good Price
    Used 2026 GMC Canyon Elevation w/ Convenience Package
    Used
    • Elevation
    • 2K mi
    39,010
    See payment
    Good Price
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    Based on 4.5% APR for mos.Update Settings
    Used 2022 GMC Sierra 3500 AT4
    54,994
    See payment
    Great Price
    Newly Listed
    Used 2004 GMC Sierra 2500 SLE w/ Heavy-Duty Power Package
    Used
    • SLE
    • 171K mi
    9,999
    See payment
    New 2025 GMC Sierra 1500 Elevation
    Consider New, Similar Payment
    • Elevation
    • 3K mi
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    Newly Listed
    Used 2022 GMC Sierra 1500 Elevation
    Used
    • Elevation
    • 36K mi
    37,996
    See payment
    Great Price
    Newly Listed
    Used 2019 GMC Sierra 1500 AT4 w/ Technology Package
    Used
    • AT4
    • 102K mi
    33,500
    See payment
    Good Price
    Used 2024 GMC Sierra 1500 Elevation w/ X31 Off-Road Package
    Used
    • Elevation
    • 13K mi
    49,647
    See payment
    Good Price
    Used 2026 GMC Sierra 1500 AT4
    64,277
    See payment
    Good Price
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    Used 2024 GMC Sierra 1500 Elevation w/ LPO, Elevation Black Package
    Used
    • Elevation
    • 25K mi
    39,995
    See payment
    Great Price
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    Used 2021 GMC Sierra 1500 AT4 w/ AT4 Preferred Package
    42,595
    See payment
    Great Price
    Used 2024 GMC Sierra 2500 AT4 w/ Technology Package
    70,995
    See payment
    Great Price
    Used 2023 GMC Sierra 2500 AT4 w/ AT4 Premium Plus Package
    63,981
    See payment
    Great Price
    Certified 2022 GMC Sierra 1500 Elevation
     CarBravo Certified
    • Elevation
    • 27K mi
    45,295
    See payment
    Great Price
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    Used 2021 GMC Sierra 1500 2WD Crew Cab w/ Sierra Value Package
    Used
    • 2WD Crew Cab
    • 38K mi
    29,003
    See payment
    High Demand
    Used 2024 GMC Canyon Elevation
    Used
    • Elevation
    • 8K mi
    34,724
    See payment
    Used 2024 GMC Canyon Elevation w/ Convenience Package
    Used
    • Elevation
    • 8K mi
    36,831
    See payment
    Used 2021 GMC Sierra 1500 Denali w/ Denali Ultimate Package
    Used
    • Denali
    • 47K mi
    44,034
    See payment
    Used 2026 GMC Sierra 1500 Elevation
    Used
    • Elevation
    • 1K mi
    49,405
    See payment
    Newly Listed
    Used 2023 GMC Sierra 1500 Denali w/ Denali Reserve Package
    Used
    • Denali
    • 30K mi
    53,847
    See payment
    Newly Listed
    Used 2021 GMC Sierra 2500 Denali w/ Denali Ultimate Package
    Used
    • Denali
    • 73K mi
    54,076
    See payment
    Used 2024 GMC Sierra 2500 SLT w/ SLT Premium Package
    61,816
    See payment
    Used 2022 GMC Sierra 1500 Denali w/ Denali Reserve Package
    Used
    • Denali
    • 29K mi
    46,987
    See payment
    Great Price
    Used 2024 GMC Sierra 1500 Denali Ultimate
    Used
    • Denali Ultimate
    • 11K mi
    66,854
    See payment
    Great Price
    Newly Listed
    Used 2024 GMC Sierra 1500 SLT w/ SLT Premium Plus Package
    43,991
    See payment
    Great Price
    Newly Listed
    Used 2024 GMC Sierra 1500 AT4 w/ Technology Package
    55,555
    See payment
    Great Price
    Certified 2024 GMC Canyon Elevation w/ Elevation Premium Package
    Certified
    • Elevation
    • 16K mi
    35,550
    See payment
    Great Price
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