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  • Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4

    $84,409

    $3K
    Est. $1,587/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (254 mi)

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  • Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4

    $81,790

    MSRP $81,790

    Est. $1,537/mo

    Thompson Buick Cadillac GMC

    3.8
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    Raleigh, NC (641 mi)

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  • Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4

    $88,209

    $4K

    MSRP $92,209

    Est. $1,658/mo

    Hill Buick GMC

    5.0
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    Newtown Square, PA (651 mi)
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  • Titanium Rush Metallic 2026 GMC Sierra 3500 AT4Titanium Rush Metallic 2026 GMC Sierra 3500 AT4Titanium Rush Metallic 2026 GMC Sierra 3500 AT4Titanium Rush Metallic 2026 GMC Sierra 3500 AT4Titanium Rush Metallic 2026 GMC Sierra 3500 AT4Titanium Rush Metallic 2026 GMC Sierra 3500 AT4

    $91,715

    Est. $1,724/mo

    Huston Cadillac GMC

    4.9
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    Lake Wales, FL (1,023 mi)
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  • Sterling Metallic 2026 GMC Sierra 3500 AT4Sterling Metallic 2026 GMC Sierra 3500 AT4Sterling Metallic 2026 GMC Sierra 3500 AT4Sterling Metallic 2026 GMC Sierra 3500 AT4Sterling Metallic 2026 GMC Sierra 3500 AT4Sterling Metallic 2026 GMC Sierra 3500 AT4

    $87,276

    Est. $1,640/mo

    David Scott Lee Buick GMC

    4.7
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    Crestview, FL (774 mi)
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  • Sterling Metallic 2026 GMC Sierra 3500 AT4Sterling Metallic 2026 GMC Sierra 3500 AT4Sterling Metallic 2026 GMC Sierra 3500 AT4Sterling Metallic 2026 GMC Sierra 3500 AT4

    $88,631

    Est. $1,666/mo

    Dixie Buick GMC Truck Inc.

    4.4
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    Fort Myers, FL (1,110 mi)
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  • Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4

    $82,315

    MSRP $89,815

    Est. $1,547/mo

    James Wood Motors, Inc

    4.8
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    Decatur, TX (809 mi)
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  • Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4

    $92,750

    MSRP $92,750

    Est. $1,743/mo

    Thompson Buick Cadillac GMC

    3.8
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    Raleigh, NC (641 mi)

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  • Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4

    $80,865

    Est. $1,520/mo

    Luther Hudson Chevrolet GMC

    4.9
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    Hudson, WI (333 mi)
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  • Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4

    $92,705

    Est. $1,743/mo

    Robert Brogden's Olathe Buick GMC

    4.8
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    Olathe, KS (430 mi)
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  • Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4

    $75,800

    $100
    1,125 mi.
    Est. $1,425/mo

    Henry Brown Buick GMC

    4.8
    Check Availability
    Gilbert, AZ (1,442 mi)
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  • Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4

    $92,389

    Est. $1,737/mo

    Quebedeaux Buick GMC

    4.5
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    Tucson, AZ (1,440 mi)
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  • Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4

    $91,059

    MSRP $92,059

    Est. $1,712/mo

    Rusty Drewing Chevrolet Buick GMC

    4.8
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    Jefferson City, MO (334 mi)
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  • Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4

    $82,530

    Est. $1,551/mo

    Auto Gallery Chevrolet GMC, Inc.

    4.9
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    LaGrange, GA (628 mi)

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  • White Sand 2026 GMC Sierra 3500 AT4White Sand 2026 GMC Sierra 3500 AT4White Sand 2026 GMC Sierra 3500 AT4White Sand 2026 GMC Sierra 3500 AT4White Sand 2026 GMC Sierra 3500 AT4White Sand 2026 GMC Sierra 3500 AT4

    $80,903

    $627
    5,127 mi.
    Est. $1,521/mo

    Holz Motors

    4.7
    Check Availability
    Hales Corners, WI (76 mi)
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  • Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4

    $79,465

    $8.5K

    MSRP $89,465

    Est. $1,494/mo

    Royal Moore GMC Buick

    4.8
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    Hillsboro, OR (1,769 mi)
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  • Gray 2026 GMC Sierra 3500 AT4Gray 2026 GMC Sierra 3500 AT4Gray 2026 GMC Sierra 3500 AT4Gray 2026 GMC Sierra 3500 AT4Gray 2026 GMC Sierra 3500 AT4Gray 2026 GMC Sierra 3500 AT4

    $93,024

    MSRP $93,425

    Est. $1,749/mo

    Weld County Garage GMC Hummer

    4.5
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    Greeley, CO (896 mi)
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  • Sterling Metallic 2026 GMC Sierra 3500 AT4Sterling Metallic 2026 GMC Sierra 3500 AT4Sterling Metallic 2026 GMC Sierra 3500 AT4Sterling Metallic 2026 GMC Sierra 3500 AT4Sterling Metallic 2026 GMC Sierra 3500 AT4Sterling Metallic 2026 GMC Sierra 3500 AT4

    $92,259

    MSRP $91,760

    Est. $1,734/mo

    Murdock GM

    4.4
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    Logan, UT (1,242 mi)
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  • Volcanic Red 2026 GMC Sierra 3500 AT4Volcanic Red 2026 GMC Sierra 3500 AT4Volcanic Red 2026 GMC Sierra 3500 AT4Volcanic Red 2026 GMC Sierra 3500 AT4Volcanic Red 2026 GMC Sierra 3500 AT4Volcanic Red 2026 GMC Sierra 3500 AT4

    $80,940

    $4.5K
    Est. $1,521/mo

    Salt Lake Valley Buick GMC

    4.4
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    South Salt Lake, UT (1,259 mi)
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  • Gray 2026 GMC Sierra 3500 AT4Gray 2026 GMC Sierra 3500 AT4Gray 2026 GMC Sierra 3500 AT4Gray 2026 GMC Sierra 3500 AT4Gray 2026 GMC Sierra 3500 AT4Gray 2026 GMC Sierra 3500 AT4

    $91,918

    MSRP $95,319

    Est. $1,728/mo

    Valley GMC, LLC

    4.8
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    Auburn, WA (1,728 mi)

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  • Coastal Dune 2026 GMC Sierra 3500 AT4Coastal Dune 2026 GMC Sierra 3500 AT4Coastal Dune 2026 GMC Sierra 3500 AT4Coastal Dune 2026 GMC Sierra 3500 AT4Coastal Dune 2026 GMC Sierra 3500 AT4Coastal Dune 2026 GMC Sierra 3500 AT4

    $90,910

    MSRP $90,910

    Est. $1,709/mo

    Ellis Chevrolet GMC Buick

    4.5
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    Malone, NY (701 mi)
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  • Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4

    $90,960

    MSRP $91,960

    Est. $1,710/mo

    Pierre GMC of Everett

    4.8
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    Everett, WA (1,728 mi)
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  • Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4

    $87,500

    MSRP $93,275

    Est. $1,645/mo

    Dahl Chevrolet GMC Winona

    4.8
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    Winona, MN (253 mi)
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  • Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4

    $92,949

    MSRP $96,449

    Est. $1,747/mo

    Spitzer Buick GMC

    4.7
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    Findlay, OH (217 mi)
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  • Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4

    $83,777

    $500

    MSRP $91,655

    Est. $1,575/mo

    Marianna Chevrolet GMC

    4.6
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    Marianna, FL (779 mi)
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  • Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4

    $85,055

    Est. $1,599/mo

    Thompson Buick, GMC, Cadillac

    4.8
    Check Availability
    Springfield, MO (444 mi)

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  • Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4

    $82,650

    MSRP $82,650

    Est. $1,554/mo

    Blaise Alexander GMC of Hazleton

    4.4
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    Hazle Township, PA (605 mi)
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  • Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4

    $87,761

    MSRP $93,170

    Est. $1,650/mo

    Bergstrom GMC Buick of Appleton

    4.8
    Check Availability
    Appleton, WI (170 mi)
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GMC Sierra 3500 prices by year

Model year Average price Deals
2025 GMC Sierra 3500 AT4 $76,774 22 Good deals
2024 GMC Sierra 3500 AT4 $68,538 5 Great deals
2023 GMC Sierra 3500 AT4 $59,811 9 Great deals
2022 GMC Sierra 3500 AT4 $53,854 7 Great deals

About the 2026 GMC Sierra 3500 AT4

Basics

AT4 shown.

Seating
5
Door count
4
Drivetrain
Four Wheel Drive
Combined MPG
0
Transmission
10-Speed A/T
Engine
470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel)
Side view of the 2026 GMC Sierra 3500 AT4
FAQs

How much does the 2026 GMC Sierra 3500 AT4 cost?

The 2026 GMC Sierra 3500 AT4 price depends on optional features. Prices typically start at $73,400.

What are some similar vehicles and competitors of the 2026 GMC Sierra 3500 AT4?

The 2026 GMC Sierra 3500 AT4 compares to and/or competes against the following vehicles:


Trims

AT4 (2 styles)

Style
4WD Crew Cab 159" AT4 4WD Crew Cab 172" AT4
Inventory price
Starting at $73,400 Starting at $73,600
Combined MPG
0 0
Engine
470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel)
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GMC Sierra 3500 trims