Skip to vehicle Listings
Trusted knowledge meets real-time answers. Try AI Mode

Used 2026 GMC Sierra 3500 AT4 for Sale

Filters (5)
Items 1 to 2 of 4.

    23 Matches

    Used 2026 GMC Sierra 3500 AT4 w/ AT4 Premium Plus Package
    Used

    2026 GMC Sierra 3500

    • AT4
    • 5K mi
    79,999
    Dealer Fees Included
    No Accidents
    Sponsored by Lexus Of West Kendall
    Call
    Used 2026 GMC Sierra 3500 AT4 w/ AT4 Premium Plus Package
    Used

    2026 GMC Sierra 3500

    • AT4
    • 16K mi
    79,498
    Dealer Fees Included
    No Accidents
    Sponsored by STEPHEN WADE CDJRF
    Call
    Certified 2026 GMC Sierra 3500 AT4

    2026 GMC Sierra 3500

    • AT4
    • 10K mi
    78,724
    No Accidents
    Sponsored by Tradition Chevrolet GMC
    Call
    My Wallet by Kelley Blue Book®

    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.
    Price Drop
    360°
    Used 2026 GMC Sierra 3500 AT4
    Used

    2026 GMC Sierra 3500

    • AT4
    • 11K mi
    74,172
    Good Price
    Dealer Fees Included
    No Accidents
    Performance Buick GMC
    Call
    Used 2026 GMC Sierra 3500 AT4 w/ Technology Package
    Used

    2026 GMC Sierra 3500

    • AT4
    • 11 mi
    84,900
    Dealer Fees Included
    No Accidents
    Robertsons GMC
    Call
    Used 2026 GMC Sierra 3500 AT4 w/ AT4 Premium Plus Package
    Used

    2026 GMC Sierra 3500

    • AT4
    • 26K mi
    80,199
    Dealer Fees Included
    No Accidents
    Strosnider Chevrolet
    Call
    Advertisement
    Used 2026 GMC Sierra 3500 AT4 w/ AT4 Premium Plus Package
    Used

    2026 GMC Sierra 3500

    • AT4
    • 5K mi
    79,999
    Dealer Fees Included
    No Accidents
    Lexus Of West Kendall
    Call
    Used 2026 GMC Sierra 3500 AT4 w/ AT4 Premium Plus Package
    Used

    2026 GMC Sierra 3500

    • AT4
    • 9K mi
    81,995
    No Accidents
    Utah Truck Country
    Call
    Used 2026 GMC Sierra 3500 AT4 w/ AT4 Premium Plus Package
    Used

    2026 GMC Sierra 3500

    • AT4
    • 1K mi
    80,695
    Dealer Fees Included
    No Accidents
    The Faricy Boys
    Call
    Used 2026 GMC Sierra 3500 AT4 w/ AT4 Premium Plus Package
    Used

    2026 GMC Sierra 3500

    • AT4
    • 587 mi
    79,994
    No Accidents
    Covert Ford Lincoln
    Call
    Used 2026 GMC Sierra 3500 AT4 w/ AT4 Premium Plus Package
    Used

    2026 GMC Sierra 3500

    • AT4
    • 16K mi
    79,498
    Dealer Fees Included
    No Accidents
    STEPHEN WADE CDJRF
    Call
    Advertisement
    Certified 2026 GMC Sierra 3500 AT4

    2026 GMC Sierra 3500

    • AT4
    • 10K mi
    78,724
    No Accidents
    Tradition Chevrolet GMC
    Call
    Price Drop
    Used 2026 GMC Sierra 3500 AT4 w/ AT4 Premium Plus Package
    Used

    2026 GMC Sierra 3500

    • AT4
    • 2K mi
    76,665
    Great Price
    Dealer Fees Included
    No Accidents
    Findlay Chrysler Dodge Jeep Ram
    Call
    Used 2026 GMC Sierra 3500 AT4 w/ AT4 Premium Plus Package
    Used

    2026 GMC Sierra 3500

    • AT4
    • 8K mi
    85,494
    Dealer Fees Included
    No Accidents
    Unique Motorsports
    Call
    Used 2026 GMC Sierra 3500 AT4 w/ AT4 Premium Plus Package
    Used

    2026 GMC Sierra 3500

    • AT4
    • 6K mi
    85,547
    No Accidents
    Dave Smith's Frontier Sales
    Call
    Advertisement
    Newly Listed
    No Image Available
    Used

    2026 GMC Sierra 3500

    • AT4
    • 4K mi
    87,263
    Dealer Fees Included
    No Accidents
    Mitchell Buick GMC
    • Online Paperwork
    Call
    Price Drop
    Used 2026 GMC Sierra 3500 AT4 w/ AT4 Premium Plus Package
    Used

    2026 GMC Sierra 3500

    • AT4
    • 12K mi
    80,099
    Dealer Fees Included
    No Accidents
    Castle Rock Chevrolet GMC
    Call
    Used 2026 GMC Sierra 3500 AT4 w/ AT4 Premium Plus Package
    Used

    2026 GMC Sierra 3500

    • AT4
    • 20K mi
    82,220
    Dealer Fees Included
    No Accidents
    Summit Trucks
    • Delivery
    Call
    Newly Listed
    Used 2026 GMC Sierra 3500 AT4
    Used

    2026 GMC Sierra 3500

    • AT4
    • 10K mi
    80,299
    Dealer Fees Included
    No Accidents
    Notbohm Motors
    Call
    Used 2026 GMC Sierra 3500 AT4 w/ AT4 Premium Plus Package
    Used

    2026 GMC Sierra 3500

    • AT4
    • 7K mi
    79,999
    No Accidents
    Prestige Auto Sales - SD
    Call
    Used 2026 GMC Sierra 3500 AT4 w/ AT4 Premium Plus Package
    Used

    2026 GMC Sierra 3500

    • AT4
    • 13K mi
    70,194
    Dealer Fees Included
    No Accidents
    Christian Brothers Ford
    Call
    Used 2026 GMC Sierra 3500 AT4 w/ AT4 Premium Plus Package
    Used

    2026 GMC Sierra 3500

    • AT4
    • 16K mi
    79,498
    Dealer Fees Included
    No Accidents
    Sponsored by STEPHEN WADE CDJRF
    Call
    Used 2026 GMC Sierra 3500 AT4 w/ AT4 Premium Plus Package
    Used

    2026 GMC Sierra 3500

    • AT4
    • 5K mi
    67,797
    Import Auto Sales
    Call
    Used 2026 GMC Sierra 3500 AT4 w/ AT4 Premium Plus Package
    Used

    2026 GMC Sierra 3500

    • AT4
    • 3K mi
    84,547
    No Accidents
    Dave Smith's Frontier Sales
    Call
    Used 2026 GMC Sierra 3500 AT4

    2026 GMC Sierra 3500

    • AT4
    • 16K mi
    77,594
    Good Price
    Dealer Fees Included
    No Accidents
    Lithia Ford Lincoln of Boise
    • Delivery
    Call
    Newly Listed
    No Image Available

    2026 GMC Sierra 3500

    • AT4
    • 15K mi
    Contact Dealer For Price
    No Accidents
    Thompson Buick GMC Cadillac
    • Delivery
    Call
    Newly Listed
    Certified 2026 GMC Sierra 3500 AT4

    2026 GMC Sierra 3500

    • AT4
    • 1K mi
    89,989
    No Accidents
    McCluskey Chevrolet Kings Auto Mall
    Call
    You have reached the maximum results allowed for a search. Please update your search criteria.
    Advertisement

    GMC Sierra 3500 AT4 for Sale by Year

    Used GMC Sierra 3500 for Sale by Trim

    View All Trims
    <!--{"relevance":[false,{}]}-->