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

    $72,500

    $7.8K

    MSRP $81,320

    Est. $1,363/mo

    Woody Buick GMC of Gurnee

    5.0
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    Gurnee, IL (38 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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  • 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

    $83,685

    MSRP $90,760

    Est. $1,573/mo

    Mandal Buick GMC Inc.

    4.6
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    D'lberville, MS (793 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

    $87,315

    Est. $1,641/mo

    West Metro Buick GMC

    5.0
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    Monticello, MN (389 mi)
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  • Red 2026 GMC Sierra 3500 AT4Red 2026 GMC Sierra 3500 AT4Red 2026 GMC Sierra 3500 AT4Red 2026 GMC Sierra 3500 AT4Red 2026 GMC Sierra 3500 AT4Red 2026 GMC Sierra 3500 AT4

    $84,960

    Est. $1,597/mo

    McKenzie Buick GMC

    4.8
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    Milton, FL (780 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

    $75,183

    $6.3K
    Est. $1,413/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

    $84,560

    Est. $1,589/mo

    Thompson Buick, GMC, Cadillac

    4.8
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    Springfield, MO (444 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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  • 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

    $83,703

    MSRP $90,365

    Est. $1,573/mo

    Rydell Chevrolet GMC of Grand Forks

    4.6
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    Grand Forks, ND (620 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

    $106,654

    MSRP $92,699

    Est. $2,005/mo

    Corwin Buick GMC Cadillac Reno

    4.6
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    Reno, NV (1,683 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

    $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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  • 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

    $80,115

    MSRP $90,115

    Est. $1,506/mo

    Mayse Automotive

    4.6
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    Aurora, MO (471 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

    $85,260

    MSRP $90,760

    Est. $1,603/mo

    Liberty GMC

    4.5
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    Peoria, AZ (1,454 mi)
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  • Tan 2026 GMC Sierra 3500 AT4Tan 2026 GMC Sierra 3500 AT4Tan 2026 GMC Sierra 3500 AT4Tan 2026 GMC Sierra 3500 AT4Tan 2026 GMC Sierra 3500 AT4Tan 2026 GMC Sierra 3500 AT4

    $87,585

    MSRP $92,585

    Est. $1,646/mo

    Valley GMC, LLC

    4.8
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    Auburn, WA (1,728 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
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    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

    $86,665

    $1K

    MSRP $90,665

    Est. $1,629/mo

    Corwin Motors Kalispell

    4.6
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    Kalispell, MT (1,367 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

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

    Holz Motors

    4.7
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    Hales Corners, WI (76 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

    $90,034

    MSRP $92,534

    Est. $1,692/mo

    Tasca Buick GMC Clearwater

    4.8
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    Clearwater, FL (1,003 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

    $87,850

    Est. $1,651/mo

    Alpine Buick GMC

    4.4
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    Littleton, CO (925 mi)
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  • White 2026 GMC Sierra 3500 AT4White 2026 GMC Sierra 3500 AT4White 2026 GMC Sierra 3500 AT4White 2026 GMC Sierra 3500 AT4White 2026 GMC Sierra 3500 AT4White 2026 GMC Sierra 3500 AT4

    $86,604

    MSRP $90,005

    Est. $1,628/mo

    Valley GMC, LLC

    4.8
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    Auburn, WA (1,728 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

    $82,097

    MSRP $91,764

    Est. $1,543/mo

    Rivard Buick GMC

    4.8
    Check Availability
    Tampa, FL (1,008 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

    $82,241

    1,205 mi.
    Est. $1,546/mo

    Tom Kelley Buick GMC

    4.8
    Check Availability
    Fort Wayne, IN (137 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

    $87,277

    $1.8K

    MSRP $96,849

    Est. $1,641/mo

    Fairway Chevrolet GMC

    4.3
    Check Availability
    Calcutta, OH (376 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

    $87,060

    $4.1K

    MSRP $92,160

    Est. $1,636/mo

    Pierre GMC of Everett

    4.8
    Check Availability
    Everett, 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

    $92,000

    MSRP $93,000

    Est. $1,729/mo

    McCarthy Auto World

    4.1
    Check Availability
    Coon Rapids, MN (367 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

    $84,835

    MSRP $91,035

    Est. $1,595/mo

    Van Chevrolet

    4.6
    Check Availability
    Scottsdale, AZ (1,437 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

    $87,120

    MSRP $89,120

    Est. $1,638/mo

    Harvard Chevrolet GMC

    4.9
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    Harvard, IL (62 mi)
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  • White 2026 GMC Sierra 3500 AT4White 2026 GMC Sierra 3500 AT4White 2026 GMC Sierra 3500 AT4White 2026 GMC Sierra 3500 AT4White 2026 GMC Sierra 3500 AT4White 2026 GMC Sierra 3500 AT4

    $82,695

    Est. $1,554/mo

    Kendall Chevrolet GMC of Eugene

    4.5
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    Eugene, OR (1,786 mi)
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GMC Sierra 3500 prices by year

Model year Average price Deals
2025 GMC Sierra 3500 AT4 $76,930 23 Good deals
2024 GMC Sierra 3500 AT4 $68,334 60 Good deals
2023 GMC Sierra 3500 AT4 $58,955 7 Great deals
2022 GMC Sierra 3500 AT4 $54,660 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