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Used GMC Sierra 2500 Diesel for Sale in Ontario, CA

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    Sponsored by Tustin Buick GMC
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    Newly Listed
    Used 2021 GMC Sierra 2500 AT4
    45,617
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    Great Price
    Dealer Fees Included
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    49 Matches

    Used 2015 GMC Sierra 2500 Denali w/ Duramax Plus Package
    Used

    2015 GMC Sierra 2500

    • Denali
    • 66K mi
    44,885
    Sponsored by Fontana Motors Direct
    • 9.47 mi. away
    • Online Paperwork
    Call
    Price Drop
    Used 2025 GMC Sierra 2500 AT4X
    Used

    2025 GMC Sierra 2500

    • AT4X
    • 13K mi
    88,500
    No Accidents
    Sponsored by Jaguar Land Rover Riverside
    • 13.53 mi. away
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    Used 2025 GMC Sierra 2500 AT4
    Used

    2025 GMC Sierra 2500

    • AT4
    • 15K mi
    70,599
    Great Price
    Dealer Fees Included
    No Accidents
    Sponsored by Knight Claremont Chrysler Dodge Jeep Ram
    • 7.18 mi. away
    • Delivery
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    My Wallet

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    $

    Based on 4.5% APR for mos.
    Price Drop
    Used 2022 GMC Sierra 2500 Denali
    Used

    2022 GMC Sierra 2500

    • Denali
    • 49K mi
    57,799
    Great Price
    Dealer Fees Included
    No Accidents
    Knight Claremont Chrysler Dodge Jeep Ram
    • 7.18 mi. away
    • Delivery
    Call
    360°
    Used 2025 GMC Sierra 2500 AT4
    Used

    2025 GMC Sierra 2500

    • AT4
    • 38K mi
    67,799
    Great Price
    Dealer Fees Included
    No Accidents
    Knight Claremont Chrysler Dodge Jeep Ram
    • 7.18 mi. away
    • Delivery
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    High Demand
    New 2026 GMC Sierra 2500 SLE
    Consider Buying New

    2026 GMC Sierra 2500

    • SLE
    • 5 mi
    65,722
    Tustin Buick GMC
    • 23.36 mi. away
    Call
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    Used 2025 GMC Sierra 2500 AT4 w/ Technology Package
    Used

    2025 GMC Sierra 2500

    • AT4
    • 20K mi
    70,399
    Great Price
    Dealer Fees Included
    No Accidents
    Knight Claremont Chrysler Dodge Jeep Ram
    • 7.18 mi. away
    • Delivery
    Call
    360°
    Used 2025 GMC Sierra 2500 AT4
    Used

    2025 GMC Sierra 2500

    • AT4
    • 15K mi Mileage Value
    70,599
    Great Price
    Dealer Fees Included
    No Accidents
    Knight Claremont Chrysler Dodge Jeep Ram
    • 7.18 mi. away
    • Delivery
    Call
    Used 2023 GMC Sierra 2500 AT4 w/ AT4 Premium Plus Package
    Used

    2023 GMC Sierra 2500

    • AT4
    • 28K mi
    63,130
    Great Price
    Dealer Fees Included
    Kargenie
    • 11.45 mi. away
    Call
    Used 2021 GMC Sierra 2500 Denali w/ Denali Ultimate Package
    Used

    2021 GMC Sierra 2500

    • Denali
    • 42K mi
    59,120
    Great Price
    Dealer Fees Included
    No Accidents
    Tustin Buick GMC
    • 23.36 mi. away
    Call
    Used 2025 GMC Sierra 2500 Denali Ultimate
    Used

    2025 GMC Sierra 2500

    • Denali Ultimate
    • 4K mi
    85,109
    Great Price
    Dealer Fees Included
    No Accidents
    Tustin Buick GMC
    • 23.36 mi. away
    Call
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    Price Drop
    Used 2021 GMC Sierra 2500 Denali w/ Denali Ultimate Package
    Used

    2021 GMC Sierra 2500

    • Denali
    • 57K mi
    54,994
    Great Price
    Dealer Fees Included
    No Accidents
    House of Imports, Inc.
    • 24.23 mi. away
    Call
    Used 2008 GMC Sierra 2500 SLE
    Used

    2008 GMC Sierra 2500

    • SLE
    • 34K mi
    45,000
    Private Seller Exchange
    • 19.62 mi. away
    • Buy Online. Clean title. No Hassle
    Used 2015 GMC Sierra 2500 Denali w/ Duramax Plus Package
    Used

    2015 GMC Sierra 2500

    • Denali
    • 66K mi
    44,885
    Fontana Motors Direct
    • 9.47 mi. away
    • Online Paperwork
    Call
    Used 2023 GMC Sierra 2500 AT4 w/ AT4 Premium Plus Package
    Used

    2023 GMC Sierra 2500

    • AT4
    • 21K mi
    68,080
    Good Price
    Dealer Fees Included
    No Accidents
    Simpson Buick GMC Cadillac of Buena Park
    • 24.33 mi. away
    • Delivery
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    Price Drop
    Used 2024 GMC Sierra 2500 AT4X
    Used

    2024 GMC Sierra 2500

    • AT4X
    • 78K mi
    67,015
    Good Price
    Dealer Fees Included
    No Accidents
    Can be shipped to
    STG Auto Group of Montclair
    • 4.79 mi. away
    • Delivery
    Call
    Used 2015 GMC Sierra 2500 Denali w/ Duramax Plus Package
    Used

    2015 GMC Sierra 2500

    • Denali
    • 106K mi
    38,995
    No Accidents
    Pacific Auto Center
    • 10.19 mi. away
    • Delivery
    Call
    Used 2016 GMC Sierra 2500 Denali w/ Duramax Plus Package
    Used

    2016 GMC Sierra 2500

    • Denali
    • 99K mi
    40,995
    No Accidents
    Pacific Auto Center
    • 10.19 mi. away
    • Delivery
    Call
    Used 2022 GMC Sierra 2500 AT4 w/ AT4 Premium Plus Package
    Used

    2022 GMC Sierra 2500

    • AT4
    • 38K mi
    59,995
    No Accidents
    Pacific Auto Center
    • 10.19 mi. away
    • Delivery
    Call
    Used 2023 GMC Sierra 2500 AT4
    Used

    2023 GMC Sierra 2500

    • AT4
    • 17K mi
    65,995
    No Accidents
    Pacific Auto Center
    • 10.19 mi. away
    • Delivery
    Call
    Used 2024 GMC Sierra 2500 Denali Ultimate
    Used

    2024 GMC Sierra 2500

    • Denali Ultimate
    • 6K mi
    91,995
    No Accidents
    Pacific Auto Center
    • 10.19 mi. away
    • Delivery
    Call
    Used 2025 GMC Sierra 2500 AT4
    Used

    2025 GMC Sierra 2500

    • AT4
    • 25K mi
    69,597
    Great Price
    Dealer Fees Included
    No Accidents
    Tustin Buick GMC
    • 23.36 mi. away
    Call
    Used 2025 GMC Sierra 2500 AT4
    Used

    2025 GMC Sierra 2500

    • AT4
    • 23K mi
    69,617
    Great Price
    Dealer Fees Included
    No Accidents
    Tustin Buick GMC
    • 23.36 mi. away
    Call
    Used 2022 GMC Sierra 2500 AT4 w/ AT4 Preferred Package

    2022 GMC Sierra 2500

    • AT4
    • 68K mi
    54,085
    Dealer Fees Included
    Sunrise Ford of Fontana
    • 9.65 mi. away
    Call
    Used 2024 GMC Sierra 2500 Denali w/ Denali Reserve Package
    Used

    2024 GMC Sierra 2500

    • Denali
    • 31K mi
    71,083
    Good Price
    Dealer Fees Included
    No Accidents
    AutoNation Ford Tustin
    • 23.38 mi. away
    Call
    Price Drop
    Used 2025 GMC Sierra 2500 AT4X
    Used

    2025 GMC Sierra 2500

    • AT4X
    • 13K mi
    88,500
    No Accidents
    Jaguar Land Rover Riverside
    • 13.53 mi. away
    Call
    Used 2024 GMC Sierra 2500 AT4 w/ AT4 Preferred Package
    Used

    2024 GMC Sierra 2500

    • AT4
    • 26K mi
    71,995
    No Accidents
    Pacific Auto Center
    • 10.19 mi. away
    • Delivery
    Call
    Used 2025 GMC Sierra 2500 Denali w/ Denali Reserve Package
    Used

    2025 GMC Sierra 2500

    • Denali
    • 12K mi
    73,995
    No Accidents
    Pacific Auto Center
    • 10.19 mi. away
    • Delivery
    Call
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