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Used 2020 GMC Sierra 3500 for Sale in Ontario, CA

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    Sponsored by Tustin Buick GMC
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    New 2026 GMC Sierra 3500 Pro
    52,794
    MSRP$55,672
    See estimated payment
    Dealer Fees Included
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    3 Matches

    Used 2020 GMC Sierra 3500 Denali w/ Denali Ultimate Package
    Used

    2020 GMC Sierra 3500

    • Denali
    • 57K mi
    62,989
    Dealer Fees Included
    No Accidents
    Sponsored by Hardin Buick GMC
    • 20.85 mi. away
    • Online Paperwork
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    Used 2020 GMC Sierra 3500 Denali w/ Denali Ultimate Package
    Used

    2020 GMC Sierra 3500

    • Denali
    • 57K mi
    62,989
    Dealer Fees Included
    No Accidents
    Hardin Buick GMC
    • 20.85 mi. away
    • Online Paperwork
    Call
    No Image Available
    Used

    2020 GMC Sierra 3500

    • Denali
    • 71K mi
    58,203
    Dealer Fees Included
    No Accidents
    Hardin Buick GMC
    • 20.85 mi. away
    • Online Paperwork
    Call
    Used 2020 GMC Sierra 3500 Denali w/ Denali Ultimate Package
    Used

    2020 GMC Sierra 3500

    • Denali
    • 121K mi
    48,900
    Dealer
    • 21.71 mi. away
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