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Used 2021 GMC Sierra 1500 for Sale in Ontario, CA

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Items 1 to 2 of 9.
    Sponsored by Tustin Buick GMC
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    High Demand
    Used 2021 GMC Sierra 1500 SLE
    33,694
    See estimated payment
    Great Price
    Dealer Fees Included
    Tustin Buick GMC
    (714) 656-2041
    Call
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    374View Vehicles

    15 Matches

    High Demand
    Used 2021 GMC Sierra 1500 Denali w/ Denali Ultimate Package

    2021 GMC Sierra 1500

    • Denali
    • 29K mi
    46,714
    Can be shipped to
    Sponsored by Envision Ford of Duarte
    • 22.26 mi. away
    • Delivery
    Call
    Used 2021 GMC Sierra 1500 AT4 w/ AT4 Premium Package
    Used

    2021 GMC Sierra 1500

    • AT4
    • 36K mi
    44,484
    Great Price
    Dealer Fees Included
    California Motors Direct Montclair
    • 4.82 mi. away
    • Online Paperwork
    Call
    Used 2021 GMC Sierra 1500 AT4
    Used

    2021 GMC Sierra 1500

    • AT4
    • 36K mi
    42,823
    Great Price
    Dealer Fees Included
    No Accidents
    Can be shipped to
    STG Auto Group of Montclair
    • 4.79 mi. away
    • Delivery
    Call
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    $

    Based on 4.5% APR for mos.
    Used 2021 GMC Sierra 1500 SLT w/ SLT Premium Plus Package
    Used

    2021 GMC Sierra 1500

    • SLT
    • 41K mi
    36,507
    No Accidents
    Westcoast Auto Sales
    • 4.92 mi. away
    Call
    Used 2021 GMC Sierra 1500 AT4 w/ Off Road Performance Package
    Used

    2021 GMC Sierra 1500

    • AT4
    • 77K mi
    41,998
    Dealer Fees Included
    No Accidents
    Orel Hershiser Chevrolet
    • 4.17 mi. away
    Call
    Newly Listed
    New 2026 GMC Sierra 1500 SLT w/ SLT Premium Package
    Consider New, Similar Payment

    2026 GMC Sierra 1500

    • SLT
    • 0 mi
    61,865
    Reynolds GMC
    • 16 mi. away
    Call
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    Used 2021 GMC Sierra 1500 SLT w/ SLT Premium Package
    Used

    2021 GMC Sierra 1500

    • SLT
    • 101K mi
    30,995
    No Accidents
    Pacific Auto Center
    • 10.19 mi. away
    • Delivery
    Call
    High Demand
    Used 2021 GMC Sierra 1500 Denali w/ Denali Ultimate Package

    2021 GMC Sierra 1500

    • Denali
    • 29K mi
    46,714
    Can be shipped to
    Envision Ford of Duarte
    • 22.26 mi. away
    • Delivery
    Call
    Used 2021 GMC Sierra 1500 SLT w/ SLT Premium Plus Package
    Used

    2021 GMC Sierra 1500

    • SLT
    • 17K mi
    42,284
    Great Price
    Dealer Fees Included
    No Accidents
    California Motors Direct Montclair
    • 4.82 mi. away
    • Online Paperwork
    Call
    High Demand
    Used 2021 GMC Sierra 1500 SLE
    Used

    2021 GMC Sierra 1500

    • SLE
    • 28K mi
    33,694
    Great Price
    Dealer Fees Included
    No Accidents
    Tustin Buick GMC
    • 23.36 mi. away
    Call
    Newly Listed
    Used 2021 GMC Sierra 1500 Denali w/ Denali Ultimate Package
    Used

    2021 GMC Sierra 1500

    • Denali
    • 52K mi
    42,299
    No Accidents
    Fontana Motors Direct
    • 9.47 mi. away
    • Online Paperwork
    Call
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    Newly Listed
    Used 2021 GMC Sierra 1500 AT4
    Used

    2021 GMC Sierra 1500

    • AT4
    • 71K mi
    42,995
    No Accidents
    Weir Canyon Honda
    • 13.08 mi. away
    Call
    Used 2021 GMC Sierra 1500 Elevation w/ Preferred Package
    Used

    2021 GMC Sierra 1500

    • Elevation
    • 56K mi
    37,083
    Dealer Fees Included
    No Accidents
    Norm Reeves Honda Superstore West Covina
    • 16.79 mi. away
    Call
    Newly Listed
    No Image Available
    Used

    2021 GMC Sierra 1500

    • Elevation
    • 75K mi
    29,084
    Dealer Fees Included
    No Accidents
    California Motors Direct Montclair
    • 4.82 mi. away
    • Online Paperwork
    Call
    Used 2021 GMC Sierra 1500 AT4 w/ AT4 Premium Package
    Used

    2021 GMC Sierra 1500

    • AT4
    • 158K mi
    28,788
    CARFAM
    • 13.67 mi. away
    • Delivery
    Call
    Used 2021 GMC Sierra 1500 Elevation w/ Driver Alert Package I
    Used

    2021 GMC Sierra 1500

    • Elevation
    • 129K mi
    24,950
    No Accidents
    All in Auto Group
    • 9.63 mi. away
    Call
    Price Drop
    No Image Available
    Used

    2021 GMC Sierra 1500

    • AT4
    • 92K mi
    34,988
    No Accidents
    CARFAM
    • 13.67 mi. away
    • Delivery
    Call
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