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Used GMC Trucks for Sale in Ontario, CA

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Items 1 to 2 of 15.
    Sponsored by Tustin Buick GMC
    High Demand360°
    Used 2021 GMC Sierra 1500 SLE
    30,453
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    Good Price
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    Used 2023 GMC Sierra 1500 AT4X w/ AT4X AEV Edition
    Used
    • AT4X
    • 15K mi
    65,999
    See payment
    SponsoredPrice Drop
    Used 2025 GMC Canyon Elevation w/ Convenience Package
    Used
    • Elevation
    • 7K mi
    39,995
    See payment
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    Used 2023 GMC Sierra 1500 SLE
    37,847
    See payment
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    Used 2015 GMC Sierra 1500 SLT w/ SLT Crew Cab Value Package
    21,000
    See payment
    Great Price
    Price Drop360°
    Used 2024 GMC Sierra 3500 Denali w/ Denali Reserve Package
    Used
    • Denali
    • 16K mi
    71,302
    See payment
    Great Price
    New 2026 GMC Sierra 1500 Denali Ultimate
    Consider New, Similar Payment
    • Denali Ultimate
    • 5 mi
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    Used 2000 GMC Sierra 2500 4x4 Extended Cab HD w/ Convenience Plus Group
    Used
    • 4x4 Extended Cab HD
    • 182K mi
    7,500
    See payment
    360°
    Used 2024 GMC Sierra 1500 Pro w/ Pro Value Package
    CPO Go Certified
    • Pro
    • 12K mi
    33,916
    See payment
    Great Price
    Price Drop360°
    Used 2025 GMC Sierra 1500 AT4
    58,465
    See payment
    Great Price
    Price Drop360°
    Used 2025 GMC Sierra 2500 AT4
    71,702
    See payment
    Great Price
    Price Drop360°
    Used 2025 GMC Sierra 2500 AT4
    72,903
    See payment
    Great Price
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    Used 2021 GMC Sierra 1500 AT4 w/ AT4 Premium Package
    45,000
    See payment
    Used 2021 GMC Sierra 2500 Denali
    Used
    • Denali
    • 61K mi
    56,999
    See payment
    Good Price
    Price Drop
    Used 2015 GMC Sierra 1500 SLT w/ SLT Crew Cab Value Package
    28,850
    See payment
    Used 2008 GMC Sierra 3500 SLT w/ Convenience Package
    Used
    • SLT
    • 225K mi
    36,500
    See payment
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    Price Drop
    Used 2025 GMC Sierra 2500 AT4
    71,519
    See payment
    Great Price
    High Demand
    Used 2023 GMC Canyon Elevation
    Used
    • Elevation
    • 15K mi
    33,889
    See payment
    Great Price
    Newly Listed
    Used 2022 GMC Sierra 2500 Denali w/ Denali Ultimate Package
    Used
    • Denali
    • 50K mi
    54,998
    See payment
    Great Price
    Price Drop360°
    Used 2025 GMC Sierra 2500 AT4
    70,363
    See payment
    Great Price
    Price Drop360°
    Used 2025 GMC Sierra 2500 AT4
    71,174
    See payment
    Great Price
    Used 2006 GMC Sierra 1500 SL
    10,250
    See payment
    Used 2023 GMC Sierra 1500 Denali w/ Denali Reserve Package
    Used
    • Denali
    • 15K mi
    57,577
    See payment
    Good Price
    Newly Listed
    Used 2024 GMC Sierra EV Denali
    Used
    • Denali
    • 5K mi
     Electric
    71,890
    See payment
    Good Price
    Used 2020 GMC Sierra 1500 AT4 w/ AT4 Premium Package
    Used
    • AT4
    • 102K mi
    38,500
    See payment
    360°
    Used 2023 GMC Canyon AT4
    Ford Blue Certified
    • AT4
    • 27K mi
    37,800
    See payment
    Great Price
    Price Drop
    Used 2020 GMC Sierra 1500 AT4 w/ AT4 Premium Package
    36,795
    See payment
    Great Price
    Used 2002 GMC Sierra 2500 SLE w/ SLT Marketing Option Pkg
    39,999
    See payment
    Used 2021 GMC Canyon AT4 w/ LPO, Power Package
    Used
    • AT4
    • 29K mi
    29,995
    See payment
    Great Price
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