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Used GMC Sierra 1500 for Sale in Ontario, CA

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Items 1 to 2 of 14.
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    Used 2021 GMC Sierra 1500 SLE
    33,694
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    Used 2019 GMC Sierra 1500 SLT w/ SLT Premium Plus Package
    39,171
    Good Price
    Used 2026 GMC Sierra 1500 Elevation w/ Preferred Package
    Used
    • Elevation
    • 5K mi
    50,995
    Used 2025 GMC Sierra 1500 AT4
    53,959
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    Based on 4.5% APR for mos.
    Used 2003 GMC Sierra 1500 SLE w/ Professional Package
    Used
    • SLE
    • 186K mi
    4,200
    Great Price
    Used 2021 GMC Sierra 1500 AT4 w/ AT4 Premium Package
    44,784
    Great Price
    New 2026 GMC Sierra 1500 Denali w/ Denali Reserve Package
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    Used 2018 GMC Sierra 1500 SLT w/ SLT Premium Package
    32,928
    Great Price
    Item 1 of 4.
    Used
    • Denali
    • 46K mi
    48,995
    Used 2024 GMC Sierra 1500 Pro w/ Graphite Edition
    34,550
    Good Price
    Used 2006 GMC Sierra 1500 SL
    10,250
    Used 2025 GMC Sierra 1500 Pro w/ Pro Value Package
    46,708
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    Used 2024 GMC Sierra 1500 AT4 w/ AT4 Preferred Package
    54,945
    Great Price
    Used 2022 GMC Sierra 1500 SLT w/ SLT Premium Package
    43,400
    Great Price
    Used 2024 GMC Sierra 1500 Elevation w/ X31 Off-Road Package
    Used
    • Elevation
    • 15K mi
    45,101
    Great Price
    Used 2020 GMC Sierra 1500 AT4 w/ AT4 Premium Package
    Used
    • AT4
    • 111K mi
    34,580
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    Used 2015 GMC Sierra 1500 SLT
    Used
    • SLT
    • 105K mi
    22,623
    Great Price
    Used 2019 GMC Sierra 1500 SLT w/ SLT Premium Package
    33,984
    Great Price
    Used 2025 GMC Sierra 1500 AT4 w/ AT4 Premium Package
    61,253
    Great Price
    Used 2024 GMC Sierra 1500 Elevation
    Used
    • Elevation
    • 24K mi
    40,083
    Great Price
    Used 2023 GMC Sierra 1500 Elevation
    Used
    • Elevation
    • 41K mi
    42,083
    Great Price
    Used 2021 GMC Sierra 1500 AT4
    42,823
    Great Price
    Used 2024 GMC Sierra 1500 Elevation
    Used
    • Elevation
    • 21K mi
    46,041
    Great Price
    Used 2022 GMC Sierra 1500 Denali
    Used
    • Denali
    • 39K mi
    49,081
    Good Price
    Used 2025 GMC Sierra 1500 AT4
    58,337
    Used 2024 GMC Sierra 1500 SLT
    44,077
    Great Price
    Used 2020 GMC Sierra 1500 SLT w/ SLT Premium Package
    34,799
    Used 2020 GMC Sierra 1500 Denali w/ Technology Package
    Used
    • Denali
    • 67K mi
    37,423
    Great Price
    Used 2022 GMC Sierra 1500 Denali w/ Denali Reserve Package
    Used
    • Denali
    • 64K mi
    43,623
    Great Price

    GMC Sierra 1500 for Sale by Year

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