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  • Dune 2026 GMC Sierra 2500 AT4Dune 2026 GMC Sierra 2500 AT4Dune 2026 GMC Sierra 2500 AT4Dune 2026 GMC Sierra 2500 AT4Dune 2026 GMC Sierra 2500 AT4Dune 2026 GMC Sierra 2500 AT4

    $85,310

    $1K
    Est. $1,604/mo

    Southern Buick GMC Greenbrier

    4.0
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    Chesapeake, VA (703 mi)

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  • Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4

    $80,065

    $1.5K
    Est. $1,505/mo

    Husker Auto Group

    4.7
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    Lincoln, NE (474 mi)

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  • Sterling 2026 GMC Sierra 2500 AT4Sterling 2026 GMC Sierra 2500 AT4Sterling 2026 GMC Sierra 2500 AT4Sterling 2026 GMC Sierra 2500 AT4Sterling 2026 GMC Sierra 2500 AT4Sterling 2026 GMC Sierra 2500 AT4

    $89,735

    MSRP $89,735

    Est. $1,687/mo

    Perkins Chevrolet GMC

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    La Junta, CO (883 mi)
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  • Dune 2026 GMC Sierra 2500 AT4Dune 2026 GMC Sierra 2500 AT4Dune 2026 GMC Sierra 2500 AT4Dune 2026 GMC Sierra 2500 AT4Dune 2026 GMC Sierra 2500 AT4Dune 2026 GMC Sierra 2500 AT4

    $90,508

    MSRP $89,635

    Est. $1,701/mo

    Century Buick GMC

    4.8
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    Tampa, FL (1,003 mi)
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  • Black 2026 GMC Sierra 2500 AT4Black 2026 GMC Sierra 2500 AT4Black 2026 GMC Sierra 2500 AT4Black 2026 GMC Sierra 2500 AT4Black 2026 GMC Sierra 2500 AT4Black 2026 GMC Sierra 2500 AT4

    $89,835

    $775

    MSRP $90,610

    Est. $1,689/mo

    Group 1 Buick GMC South

    4.6
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    Houston, TX (948 mi)
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  • Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4

    $90,360

    MSRP $90,360

    Est. $1,698/mo

    Rainbow Northshore GMC

    4.7
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    Covington, LA (800 mi)
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  • Sterling Metallic 2026 GMC Sierra 2500 AT4Sterling Metallic 2026 GMC Sierra 2500 AT4Sterling Metallic 2026 GMC Sierra 2500 AT4Sterling Metallic 2026 GMC Sierra 2500 AT4Sterling Metallic 2026 GMC Sierra 2500 AT4Sterling Metallic 2026 GMC Sierra 2500 AT4

    $85,630

    MSRP $96,630

    Est. $1,610/mo

    Legacy GMC

    4.8
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    Slidell, LA (813 mi)
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  • Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4

    $81,560

    $500
    Est. $1,533/mo

    Husker Auto Group

    4.7
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    Lincoln, NE (474 mi)

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  • Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4

    $83,454

    Est. $1,569/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 2500 AT4Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4

    $97,988

    169 mi.
    Est. $1,842/mo

    Mall of Georgia Mazda

    4.9
    Check Availability
    Buford, GA (575 mi)
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  • Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4

    $81,365

    Est. $1,529/mo

    Heritage Buick GMC

    4.6
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    Rockwall, TX (786 mi)
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  • Titanium Rush Metallic 2026 GMC Sierra 2500 AT4Titanium Rush Metallic 2026 GMC Sierra 2500 AT4Titanium Rush Metallic 2026 GMC Sierra 2500 AT4Titanium Rush Metallic 2026 GMC Sierra 2500 AT4Titanium Rush Metallic 2026 GMC Sierra 2500 AT4Titanium Rush Metallic 2026 GMC Sierra 2500 AT4

    $82,055

    $7K

    MSRP $90,055

    Est. $1,542/mo

    Tom Clark Buick GMC

    4.8
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    Denton, TX (794 mi)
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  • Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4

    $89,055

    MSRP $90,055

    Est. $1,674/mo

    Rusty Drewing Chevrolet Buick GMC

    4.8
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    Jefferson City, MO (334 mi)
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  • Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4

    $85,519

    $1K

    MSRP $91,719

    Est. $1,607/mo

    Van Chevrolet

    4.6
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    Scottsdale, AZ (1,437 mi)

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  • Sterling Metallic 2026 GMC Sierra 2500 AT4Sterling Metallic 2026 GMC Sierra 2500 AT4Sterling Metallic 2026 GMC Sierra 2500 AT4Sterling Metallic 2026 GMC Sierra 2500 AT4Sterling Metallic 2026 GMC Sierra 2500 AT4Sterling Metallic 2026 GMC Sierra 2500 AT4

    $87,210

    MSRP $93,210

    Est. $1,639/mo

    Twins Buick GMC

    4.5
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    Columbus, OH (273 mi)
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  • Volcanic Red Tintcoat 2026 GMC Sierra 2500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 2500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 2500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 2500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 2500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 2500 AT4

    $84,602

    $1K

    MSRP $89,910

    Est. $1,590/mo

    Luther Family Buick GMC

    4.5
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    Fargo, ND (569 mi)
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  • Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4

    $80,255

    MSRP $88,755

    Est. $1,509/mo

    James Wood Motors, Inc

    4.8
    Check Availability
    Decatur, TX (809 mi)
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  • Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4

    $87,224

    $463
    Est. $1,640/mo

    Pryor Chevrolet Gmc

    4.7
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    Pryor, OK (566 mi)
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  • Coastal Dune 2026 GMC Sierra 2500 AT4Coastal Dune 2026 GMC Sierra 2500 AT4Coastal Dune 2026 GMC Sierra 2500 AT4Coastal Dune 2026 GMC Sierra 2500 AT4Coastal Dune 2026 GMC Sierra 2500 AT4Coastal Dune 2026 GMC Sierra 2500 AT4

    $89,495

    MSRP $90,495

    Est. $1,682/mo

    Ferman Buick GMC

    4.8
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    Lutz, FL (991 mi)
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  • Sterling 2026 GMC Sierra 2500 AT4Sterling 2026 GMC Sierra 2500 AT4Sterling 2026 GMC Sierra 2500 AT4Sterling 2026 GMC Sierra 2500 AT4Sterling 2026 GMC Sierra 2500 AT4Sterling 2026 GMC Sierra 2500 AT4

    $93,175

    MSRP $93,175

    Est. $1,751/mo

    Champion Chevrolet GMC of Kingsport

    4.7
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    Kingsport, TN (459 mi)

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  • Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4

    $84,724

    Est. $1,593/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 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4

    $79,495

    $4.5K
    Est. $1,494/mo

    Jimmy Britt Chevrolet

    4.3
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    Greensboro, GA (625 mi)
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  • Volcanic Red Tintcoat 2026 GMC Sierra 2500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 2500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 2500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 2500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 2500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 2500 AT4

    $91,275

    MSRP $91,275

    Est. $1,716/mo

    C. Wimberley Chevrolet GMC

    4.8
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    Dowagiac, MI (78 mi)
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  • Sterling Metallic 2026 GMC Sierra 2500 AT4Sterling Metallic 2026 GMC Sierra 2500 AT4Sterling Metallic 2026 GMC Sierra 2500 AT4Sterling Metallic 2026 GMC Sierra 2500 AT4Sterling Metallic 2026 GMC Sierra 2500 AT4Sterling Metallic 2026 GMC Sierra 2500 AT4

    $85,560

    MSRP $89,560

    Est. $1,608/mo

    Trent Cadillac Buick GMC

    4.9
    Check Availability
    New Bern, NC (742 mi)
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  • Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4

    $88,842

    MSRP $91,675

    Est. $1,670/mo

    Kunes Buick GMC of Greenfield

    4.2
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    Greenfield, WI (79 mi)
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  • Gray 2026 GMC Sierra 2500 AT4Gray 2026 GMC Sierra 2500 AT4Gray 2026 GMC Sierra 2500 AT4Gray 2026 GMC Sierra 2500 AT4Gray 2026 GMC Sierra 2500 AT4Gray 2026 GMC Sierra 2500 AT4

    $80,620

    Est. $1,515/mo

    Spitzer Chevrolet GMC Cadillac of Dubois

    4.6
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    DuBois, PA (462 mi)

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  • Sterling Metallic 2026 GMC Sierra 2500 AT4Sterling Metallic 2026 GMC Sierra 2500 AT4Sterling Metallic 2026 GMC Sierra 2500 AT4Sterling Metallic 2026 GMC Sierra 2500 AT4Sterling Metallic 2026 GMC Sierra 2500 AT4Sterling Metallic 2026 GMC Sierra 2500 AT4

    $71,500

    MSRP $79,920

    Est. $1,344/mo

    Woody Buick GMC Naperville

    4.9
    Check Availability
    Naperville, IL (30 mi)
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GMC Sierra 2500 prices by year

Model year Average price Deals
2025 GMC Sierra 2500 AT4 $74,849 15 Great deals
2024 GMC Sierra 2500 AT4 $70,562 7 Great deals
2023 GMC Sierra 2500 AT4 $57,870 29 Great deals
2022 GMC Sierra 2500 AT4 $54,002 34 Great deals
2021 GMC Sierra 2500 AT4 $53,864 52 Good deals
2020 GMC Sierra 2500 AT4 $50,074 25 Good deals

About the 2026 GMC Sierra 2500 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 2500 AT4
FAQs

How much does the 2026 GMC Sierra 2500 AT4 cost?

The 2026 GMC Sierra 2500 AT4 price depends on optional features. Prices typically start at $72,200.

What are some similar vehicles and competitors of the 2026 GMC Sierra 2500 AT4?

The 2026 GMC Sierra 2500 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 $72,200 Starting at $72,400
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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2026 GMC Sierra 2500 AT4 by popular city

GMC Sierra 2500 trims