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Used 2026 GMC Sierra 1500 for Sale in Diamond Bar, CA

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Items 1 to 2 of 9.
    Sponsored by Tustin Buick GMC
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    Used 2026 GMC Sierra 1500 AT4
    58,611
    See estimated payment
    Great Price
    Dealer Fees Included
    Tustin Buick GMC
    (714) 656-2041
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    362View Vehicles

    15 Matches

    Used 2026 GMC Sierra 1500 Elevation w/ Preferred Package
    Used

    2026 GMC Sierra 1500

    • Elevation
    • 5K mi
    50,990
    No Accidents
    Sponsored by Penske Buick GMC of Cerritos
    • 18.9 mi. away
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    Used 2026 GMC Sierra 1500 Denali w/ Technology Package
    Used

    2026 GMC Sierra 1500

    • Denali
    • 7K mi
    56,500
    Sponsored by Autolocity Motors
    • Delivery
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    Certified 2026 GMC Sierra 1500 Elevation

    2026 GMC Sierra 1500

    • Elevation
    • 952 mi
    49,991
    No Accidents
    Sponsored by Penske Buick GMC of Cerritos
    • 18.9 mi. away
    Call
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    Based on 4.5% APR for mos.
    Price Drop
    Used 2026 GMC Sierra 1500 Elevation w/ Elevation Select Package
    Used

    2026 GMC Sierra 1500

    • Elevation
    • 4K mi
    46,950
    Great Price
    Dealer Fees Included
    No Accidents
    Reynolds GMC
    • 6.72 mi. away
    Call
    Price Drop
    Used 2026 GMC Sierra 1500 Elevation
    Used

    2026 GMC Sierra 1500

    • Elevation
    • 5K mi
    59,950
    Dealer Fees Included
    No Accidents
    Reynolds GMC
    • 6.72 mi. away
    Call
    Price Drop
    Used 2026 GMC Sierra 1500 Elevation w/ Preferred Package
    Used

    2026 GMC Sierra 1500

    • Elevation
    • 6K mi
    52,211
    Dealer Fees Included
    No Accidents
    Hardin Buick GMC
    • 13.35 mi. away
    • Online Paperwork
    Call
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    Used 2026 GMC Sierra 1500 AT4
    Used

    2026 GMC Sierra 1500

    • AT4
    • 12K mi
    58,611
    Great Price
    Dealer Fees Included
    No Accidents
    Tustin Buick GMC
    • 19.06 mi. away
    Call
    Used 2026 GMC Sierra 1500 Denali w/ Denali Reserve Package
    Used

    2026 GMC Sierra 1500

    • Denali
    • 8K mi
    67,163
    Dealer Fees Included
    No Accidents
    Hardin Buick GMC
    • 13.35 mi. away
    • Online Paperwork
    Call
    Price Drop
    Used 2026 GMC Sierra 1500 Elevation w/ Elevation Select Package
    Used

    2026 GMC Sierra 1500

    • Elevation
    • 4K mi
    48,872
    No Accidents
    Westcoast Auto Sales
    • 8.17 mi. away
    Call
    360°
    Used 2026 GMC Sierra 1500 Elevation
    Used

    2026 GMC Sierra 1500

    • Elevation
    • 4K mi
    48,999
    No Accidents
    Camino Real Chevrolet
    • 19.32 mi. away
    Call
    Price Drop
    Used 2026 GMC Sierra 1500 SLE w/ Preferred Package
    Used

    2026 GMC Sierra 1500

    • SLE
    • 2K mi
    40,895
    No Accidents
    Dutton Buick GMC Cadillac in the Riverside Auto Center
    • 23.33 mi. away
    • Delivery
    Call
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    Used 2026 GMC Sierra 1500 Denali
    Used

    2026 GMC Sierra 1500

    • Denali
    • 3K mi
    62,995
    No Accidents
    Simpson Buick GMC Cadillac of Buena Park
    • 13.97 mi. away
    • Delivery
    Call
    Certified 2026 GMC Sierra 1500 Elevation

    2026 GMC Sierra 1500

    • Elevation
    • 952 mi
    49,991
    No Accidents
    Penske Buick GMC of Cerritos
    • 18.9 mi. away
    Call
    Used 2026 GMC Sierra 1500 Elevation w/ Preferred Package
    Used

    2026 GMC Sierra 1500

    • Elevation
    • 5K mi
    50,990
    No Accidents
    Penske Buick GMC of Cerritos
    • 18.9 mi. away
    Call
    Used 2026 GMC Sierra 1500 Elevation w/ Preferred Package
    Used

    2026 GMC Sierra 1500

    • Elevation
    • 6K mi
    51,991
    No Accidents
    Penske Buick GMC of Cerritos
    • 18.9 mi. away
    Call
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    Price Drop
    No Image Available
    Used

    2026 GMC Sierra 1500

    • Pro
    • 2K mi
    39,950
    Dealer Fees Included
    No Accidents
    Reynolds GMC
    • 6.72 mi. away
    Call
    Used 2026 GMC Sierra 1500 Denali w/ Technology Package
    Used

    2026 GMC Sierra 1500

    • Denali
    • 7K mi
    56,500
    Autolocity Motors
    • Delivery
    Call
    Newly Listed
    No Image Available
    Used

    2026 GMC Sierra 1500

    • Denali
    • 3K mi
    61,995
    No Accidents
    Simpson Buick GMC Cadillac of Buena Park
    • 13.97 mi. away
    • Delivery
    Call
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