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Used 2026 GMC Sierra 1500 for Sale in Fullerton, CA

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    Used 2026 GMC Sierra 1500 SLT
    45,225
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    Used 2026 GMC Sierra 1500 SLT
    45,225
    Used 2026 GMC Sierra 1500 SLT
    47,397
    Used 2026 GMC Sierra 1500 Elevation w/ Elevation Select Package
    Used
    • Elevation
    • 4K mi
    48,950
    Great Price
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    Based on 4.5% APR for mos.
    Used 2026 GMC Sierra 1500 Elevation w/ Elevation Premium Package
    • Elevation
    • 343 mi
    55,045
    Used 2026 GMC Sierra 1500 Elevation w/ Preferred Package
    Used
    • Elevation
    • 1K mi
    52,995
    Used 2026 GMC Sierra 1500 Elevation
    Used
    • Elevation
    • 5K mi
    62,950
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    Used 2026 GMC Sierra 1500 Denali
    Used
    • Denali
    • 3K mi
    74,605
    Used 2026 GMC Sierra 1500 Elevation w/ Elevation Select Package
    Used
    • Elevation
    • 4K mi
    48,950
    Great Price
    Used 2026 GMC Sierra 1500 AT4
    60,851
    Used 2026 GMC Sierra 1500 Elevation w/ Elevation Select Package
    Used
    • Elevation
    • 4K mi
    49,943
    Used 2026 GMC Sierra 1500 SLT
    45,225
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    Used 2026 GMC Sierra 1500 SLT
    47,397
    Used 2026 GMC Sierra 1500 SLT w/ SLT Premium Plus Package
    44,500
    Used 2026 GMC Sierra 1500 Denali w/ Technology Package
    Used
    • Denali
    • 7K mi
    56,500
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