Autotrader Logo
Skip to vehicle Listings
Your next car is just a chat away. Try AI Mode

Used 2021 GMC Sierra 1500 for Sale in Ontario, CA

Filters (4)
Items 1 to 2 of 9.
    Sponsored by Tustin Buick GMC
    Hide
    High Demand
    Used 2021 GMC Sierra 1500 SLE
    33,694
    See estimated payment
    Tustin Buick GMC
    (714) 656-2041
    Call
    Dealer Logo
    372View Vehicles

    15 Matches

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

    2021 GMC Sierra 1500

    • Denali
    • 29K mi
    47,896
    Can be shipped to
    Sponsored by Envision Ford of Duarte
    • 22.26 mi. away
    • Delivery
    Call
    360°
    Used 2021 GMC Sierra 1500 Elevation

    2021 GMC Sierra 1500

    • Elevation
    • 56K mi
    33,989
    No Accidents
    Sponsored by Fairview Ford
    • 18.82 mi. away
    Call
    High Demand
    Used 2021 GMC Sierra 1500 SLT w/ SLT Convenience Package
    Used

    2021 GMC Sierra 1500

    • SLT
    • 33K mi
    40,089
    Great Price
    Dealer Fees Included
    No Accidents
    Hardin Buick GMC
    • 20.85 mi. away
    • Online Paperwork
    Call
    My Wallet

    Find it Fast.

    Keep it Affordable.

    Credit Rating
    Trade-In Value
    Get My Kelley Blue Book® CarValue
    Get My Payoff Quote

    $

    Based on 4.5% APR for mos.
    Newly Listed
    Used 2021 GMC Sierra 1500 Elevation w/ X31 Off-Road Package
    Used

    2021 GMC Sierra 1500

    • Elevation
    • 58K mi
    36,121
    Great Price
    Dealer Fees Included
    No Accidents
    Sierra Chevrolet of Monrovia
    • 22.6 mi. away
    • Online Paperwork
    • Delivery
    Call
    Used 2021 GMC Sierra 1500 AT4 w/ AT4 Premium Package
    Used

    2021 GMC Sierra 1500

    • AT4
    • 36K mi
    44,784
    Great Price
    Dealer Fees Included
    California Motors Direct Montclair
    • 4.82 mi. away
    • Online Paperwork
    Call
    New 2026 GMC Sierra 1500 Elevation
    Consider New, Similar Payment

    2026 GMC Sierra 1500

    • Elevation
    • 1 mi
    56,930
    Hatfield Buick GMC
    • 25.13 mi. away
    Call
    Advertisement
    Used 2021 GMC Sierra 1500 AT4
    Used

    2021 GMC Sierra 1500

    • AT4
    • 36K mi
    43,023
    Great Price
    Dealer Fees Included
    No Accidents
    Can be shipped to
    STG Auto Group of Montclair
    • 4.79 mi. away
    • Delivery
    Call
    Price Drop
    Used 2021 GMC Sierra 1500 SLT w/ SLT Premium Plus Package
    Used

    2021 GMC Sierra 1500

    • SLT
    • 41K mi
    37,130
    No Accidents
    Westcoast Auto Sales
    • 4.92 mi. away
    Call
    360°
    Used 2021 GMC Sierra 1500 Elevation

    2021 GMC Sierra 1500

    • Elevation
    • 56K mi
    33,989
    No Accidents
    Fairview Ford
    • 18.82 mi. away
    Call
    Newly Listed
    No Image Available
    Used

    2021 GMC Sierra 1500

    • Denali
    • 68K mi
    35,081
    Great Price
    Dealer Fees Included
    No Accidents
    Hardin Buick GMC
    • 20.85 mi. away
    • Online Paperwork
    Call
    Newly Listed
    Used 2021 GMC Sierra 1500 AT4 w/ Off Road Performance Package
    Used

    2021 GMC Sierra 1500

    • AT4
    • 77K mi
    41,998
    No Accidents
    Orel Hershiser Chevrolet
    • 4.17 mi. away
    Call
    Advertisement
    High Demand
    Used 2021 GMC Sierra 1500 Denali w/ Denali Ultimate Package

    2021 GMC Sierra 1500

    • Denali
    • 29K mi
    47,896
    Can be shipped to
    Envision Ford of Duarte
    • 22.26 mi. away
    • Delivery
    Call
    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 SLE
    Used

    2021 GMC Sierra 1500

    • SLE
    • 28K mi
    33,694
    No Accidents
    Tustin Buick GMC
    • 23.36 mi. away
    Call
    Newly Listed
    No Image Available
    Used

    2021 GMC Sierra 1500

    • SLT
    • 17K mi
    42,584
    Great Price
    Dealer Fees Included
    No Accidents
    California Motors Direct Montclair
    • 4.82 mi. away
    • Online Paperwork
    Call
    Advertisement
    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 Denali w/ Denali Ultimate Package
    Used

    2021 GMC Sierra 1500

    • Denali
    • 52K mi
    42,799
    No Accidents
    Fontana Motors Direct
    • 9.47 mi. away
    • Online Paperwork
    Call
    Newly Listed
    No Image Available
    Used

    2021 GMC Sierra 1500

    • SLT
    • 59K mi
    Contact Dealer For Price
    No Accidents
    Dealer
    • 3.73 mi. away
    Call
    You have reached the maximum results allowed for a search. Please update your search criteria.
    Advertisement
    <!--{"relevance":[false,{}]}-->