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Used 2026 GMC Sierra 1500 for Sale in O'fallon, MO

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Items 1 to 2 of 12.
    Sponsored by O'Fallon Buick GMC
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    Used 2026 GMC Sierra 1500 Denali
    63,199
    Great Price
    Dealer Fees Included
    O'Fallon Buick GMC
    (636) 385-5436
    Call
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    70View Vehicles

    30 Matches

    Used 2026 GMC Sierra 1500 Denali
    Used

    2026 GMC Sierra 1500

    • Denali
    • 3K mi
    63,596
    Great Price
    Dealer Fees Included
    No Accidents
    Sponsored by Bommarito West County
    • 13.62 mi. away
    • Online Paperwork
    Call
    Used 2026 GMC Sierra 1500 Denali
    Used

    2026 GMC Sierra 1500

    • Denali
    • 6K mi
    63,199
    Great Price
    Dealer Fees Included
    No Accidents
    Sponsored by O'Fallon Buick GMC
    • 1.48 mi. away
    • Online Paperwork
    Call
    Certified 2026 GMC Sierra 1500 SLT w/ SLT Premium Plus Package

    2026 GMC Sierra 1500

    • SLT
    • 10K mi
    52,615
    Great Price
    Dealer Fees Included
    No Accidents
    Can be shipped to
    Sponsored by Laura Chevrolet Buick GMC of Sullivan
    • Online Paperwork
    • Buy Online
    • Delivery
    Call
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    Based on 4.5% APR for mos.
    Used 2026 GMC Sierra 1500 Denali
    Used

    2026 GMC Sierra 1500

    • Denali
    • 6K mi
    63,199
    Great Price
    Dealer Fees Included
    No Accidents
    O'Fallon Buick GMC
    • 1.48 mi. away
    • Online Paperwork
    Call
    Used 2026 GMC Sierra 1500 SLT w/ SLT Premium Plus Package
    Used

    2026 GMC Sierra 1500

    • SLT
    • 5K mi
    55,896
    Great Price
    Dealer Fees Included
    No Accidents
    Bommarito West County
    • 13.62 mi. away
    • Online Paperwork
    Call
    Used 2026 GMC Sierra 1500 Denali
    Used

    2026 GMC Sierra 1500

    • Denali
    • 3K mi
    63,596
    Great Price
    Dealer Fees Included
    No Accidents
    Bommarito West County
    • 13.62 mi. away
    • Online Paperwork
    Call
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    Price Drop
    Used 2026 GMC Sierra 1500 Elevation w/ Elevation Select Package
    Used

    2026 GMC Sierra 1500

    • Elevation
    • 1K mi
    47,696
    Good Price
    Dealer Fees Included
    No Accidents
    AutoCenters Nissan
    • 38.6 mi. away
    Call
    Used 2026 GMC Sierra 1500 Pro w/ Pro Value Package
    Used

    2026 GMC Sierra 1500

    • Pro
    • 9K mi
    38,618
    Great Price
    Dealer Fees Included
    No Accidents
    AutoCenters Nissan
    • 38.6 mi. away
    Call
    Price Drop
    Used 2026 GMC Sierra 1500 SLE w/ X31 Off-Road Package
    Used

    2026 GMC Sierra 1500

    • SLE
    • 611 mi
    49,618
    Dealer Fees Included
    No Accidents
    AutoCenters Nissan
    • 38.6 mi. away
    Call
    Used 2026 GMC Sierra 1500 AT4X
    Used

    2026 GMC Sierra 1500

    • AT4X
    • 314 mi
    71,311
    Good Price
    Dealer Fees Included
    No Accidents
    AutoCenters Nissan
    • 38.6 mi. away
    Call
    Used 2026 GMC Sierra 1500 Denali
    Used

    2026 GMC Sierra 1500

    • Denali
    • 3K mi
    70,549
    Dealer Fees Included
    No Accidents
    Dean Team of Kirkwood
    • 20.66 mi. away
    Call
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    Used 2026 GMC Sierra 1500 Pro w/ Graphite Edition
    Used

    2026 GMC Sierra 1500

    • Pro
    • 8K mi
    41,141
    Dealer Fees Included
    No Accidents
    AutoCenters Nissan
    • 38.6 mi. away
    Call
    Used 2026 GMC Sierra 1500 Pro w/ Graphite Edition
    Used

    2026 GMC Sierra 1500

    • Pro
    • 7K mi
    45,119
    Dealer Fees Included
    No Accidents
    AutoCenters Nissan
    • 38.6 mi. away
    Call
    Price Drop
    Used 2026 GMC Sierra 1500 Elevation
    Used

    2026 GMC Sierra 1500

    • Elevation
    • 14K mi
    48,559
    Dealer Fees Included
    No Accidents
    AutoCenters Nissan
    • 38.6 mi. away
    Call
    Used 2026 GMC Sierra 1500 AT4 w/ AT4 Premium Package
    Used

    2026 GMC Sierra 1500

    • AT4
    • 7K mi
    59,189
    Dealer Fees Included
    No Accidents
    AutoCenters Nissan
    • 38.6 mi. away
    Call
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    Used 2026 GMC Sierra 1500 Elevation w/ Elevation Premium Package
    Used

    2026 GMC Sierra 1500

    • Elevation
    • 4K mi
    50,599
    Dealer Fees Included
    No Accidents
    Dave Sinclair Ford
    • 27.57 mi. away
    • Delivery
    Call
    Price Drop
    Certified 2026 GMC Sierra 1500 SLT w/ SLT Premium Plus Package

    2026 GMC Sierra 1500

    • SLT
    • 1K mi
    55,982
    Great Price
    Dealer Fees Included
    No Accidents
    Sapaugh GM Country
    • 38.95 mi. away
    • Online Paperwork
    Call
    Certified 2026 GMC Sierra 1500 Elevation

    2026 GMC Sierra 1500

    • Elevation
    • 6K mi
    47,872
    Dealer Fees Included
    No Accidents
    Laura Buick GMC, Inc.
    • Online Paperwork
    • Buy Online
    • Delivery
    Call
    Certified 2026 GMC Sierra 1500 SLT w/ SLT Premium Plus Package

    2026 GMC Sierra 1500

    • SLT
    • 1K mi
    54,372
    Dealer Fees Included
    No Accidents
    Laura Buick GMC, Inc.
    • Online Paperwork
    • Buy Online
    • Delivery
    Call
    Certified 2026 GMC Sierra 1500 SLT w/ SLT Premium Plus Package

    2026 GMC Sierra 1500

    • SLT
    • 1K mi
    54,372
    Dealer Fees Included
    No Accidents
    Laura Buick GMC, Inc.
    • Online Paperwork
    • Buy Online
    • Delivery
    Call
    Certified 2026 GMC Sierra 1500 Denali w/ Denali Reserve Package

    2026 GMC Sierra 1500

    • Denali
    • 5K mi
    60,372
    Dealer Fees Included
    No Accidents
    Laura Buick GMC, Inc.
    • Online Paperwork
    • Buy Online
    • Delivery
    Call
    Used 2026 GMC Sierra 1500 Pro w/ Graphite Edition
    Used

    2026 GMC Sierra 1500

    • Pro
    • 10K mi
    44,869
    Dealer Fees Included
    No Accidents
    AutoCenters Nissan
    • 38.6 mi. away
    Call
    Used 2026 GMC Sierra 1500 AT4X
    Used

    2026 GMC Sierra 1500

    • AT4X
    • 13K mi
    69,769
    Dealer Fees Included
    No Accidents
    AutoCenters Nissan
    • 38.6 mi. away
    Call
    Certified 2026 GMC Sierra 1500 SLT w/ SLT Premium Plus Package

    2026 GMC Sierra 1500

    • SLT
    • 6K mi
    53,148
    Great Price
    Dealer Fees Included
    No Accidents
    Sapaugh GM Country
    • 38.95 mi. away
    • Online Paperwork
    Call
    Certified 2026 GMC Sierra 1500 SLT w/ SLT Premium Plus Package

    2026 GMC Sierra 1500

    • SLT
    • 10K mi
    52,615
    Great Price
    Dealer Fees Included
    No Accidents
    Can be shipped to
    Laura Chevrolet Buick GMC of Sullivan
    • Online Paperwork
    • Buy Online
    • Delivery
    Call
    Certified 2026 GMC Sierra 1500 Denali Ultimate

    2026 GMC Sierra 1500

    • Denali Ultimate
    • 9K mi
    73,488
    Dealer Fees Included
    No Accidents
    Sapaugh GM Country
    • 38.95 mi. away
    • Online Paperwork
    Call
    Certified 2026 GMC Sierra 1500 Denali

    2026 GMC Sierra 1500

    • Denali
    • 48K mi
    50,872
    Dealer Fees Included
    No Accidents
    Laura Buick GMC, Inc.
    • Online Paperwork
    • Buy Online
    • Delivery
    Call
    Used 2026 GMC Sierra 1500 AT4X
    Used

    2026 GMC Sierra 1500

    • AT4X
    • 14K mi
    68,247
    Dealer Fees Included
    No Accidents
    Sapaugh GM Country
    • 38.95 mi. away
    • Online Paperwork
    Call
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