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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

    $78,396

    MSRP $85,660

    Est. $1,474/mo

    Walser Buick GMC Bloomington

    4.2
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    Bloomington, MN (353 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

    $87,425

    MSRP $87,425

    Est. $1,643/mo

    Thompson Buick Cadillac GMC

    3.8
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    Raleigh, NC (641 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 AT4

    $80,570

    Est. $1,514/mo

    Conley Buick GMC

    3.1
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    Bradenton, FL (1,037 mi)
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  • Red 2026 GMC Sierra 2500 AT4Red 2026 GMC Sierra 2500 AT4Red 2026 GMC Sierra 2500 AT4Red 2026 GMC Sierra 2500 AT4Red 2026 GMC Sierra 2500 AT4Red 2026 GMC Sierra 2500 AT4

    $91,285

    MSRP $92,060

    Est. $1,716/mo

    Group 1 Buick GMC North

    4.4
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    Houston, TX (937 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

    $84,865

    Est. $1,595/mo

    Gettel Chevrolet Buick GMC of Charlotte County

    4.5
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    Punta Gorda, FL (1,082 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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  • Red 2026 GMC Sierra 2500 AT4Red 2026 GMC Sierra 2500 AT4Red 2026 GMC Sierra 2500 AT4Red 2026 GMC Sierra 2500 AT4Red 2026 GMC Sierra 2500 AT4Red 2026 GMC Sierra 2500 AT4

    $80,939

    MSRP $91,439

    Est. $1,521/mo

    Classic Buick GMC

    4.7
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    Houston, TX (949 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

    $84,804

    MSRP $88,305

    Est. $1,594/mo

    Spitzer Chevrolet GMC Cadillac of Dubois

    4.6
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    DuBois, PA (462 mi)

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  • White 2026 GMC Sierra 2500 AT4White 2026 GMC Sierra 2500 AT4White 2026 GMC Sierra 2500 AT4White 2026 GMC Sierra 2500 AT4White 2026 GMC Sierra 2500 AT4White 2026 GMC Sierra 2500 AT4

    $88,126

    MSRP $91,650

    Est. $1,656/mo

    Group 1 GMC Southwest

    4.4
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    Houston, TX (953 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

    $77,251

    2,554 mi.
    Est. $1,452/mo

    Castle Chevrolet GMC

    4.3
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    McHenry, IL (45 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

    $89,639

    $500

    MSRP $91,139

    Est. $1,685/mo

    Tasca Buick GMC Clearwater

    4.8
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    Clearwater, FL (1,003 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

    $98,050

    MSRP $90,555

    Est. $1,843/mo

    Liberty GMC

    4.5
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    Peoria, AZ (1,454 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

    $85,962

    MSRP $90,564

    Est. $1,616/mo

    Rivard Buick GMC

    4.8
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    Tampa, FL (1,008 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

    $79,820

    MSRP $79,820

    Est. $1,500/mo

    Thompson Buick Cadillac GMC

    3.8
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    Raleigh, NC (641 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

    $86,415

    MSRP $87,415

    Est. $1,624/mo

    Coulter Cadillac Buick GMC

    4.8
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    Phoenix, AZ (1,449 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

    $88,021

    MSRP $88,622

    Est. $1,654/mo

    Bergstrom Chevrolet GMC of Manitowoc

    4.8
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    Manitowoc, WI (152 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

    $76,869

    MSRP $76,870

    Est. $1,445/mo

    Chevrolet GMC of Fairbanks

    4.8
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    Fairbanks, AK (2,788 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

    $93,855

    Est. $1,764/mo

    McDonald GMC Cadillac

    4.9
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    Saginaw, MI (213 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

    $84,809

    MSRP $90,510

    Est. $1,594/mo

    Ferman Buick GMC

    4.8
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    Lutz, FL (991 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

    $81,060

    Est. $1,524/mo

    Husker Auto Group

    4.7
    Check Availability
    Lincoln, NE (474 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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  • 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

    $82,360

    MSRP $90,360

    Est. $1,548/mo

    Tom Clark Buick GMC

    4.8
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    Denton, TX (794 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

    $110,804

    Est. $2,083/mo

    Rick Hendrick Buick GMC

    4.8
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    Duluth, GA (580 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

    $82,450

    Est. $1,550/mo

    Heritage Buick GMC

    4.6
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    Rockwall, TX (786 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

    $87,395

    Est. $1,643/mo

    Star GMC of Easton

    4.5
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    Easton, PA (646 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

    $85,060

    MSRP $89,560

    Est. $1,599/mo

    Express Dyersburg Chevrolet GMC

    Check Availability
    Dyersburg, TN (414 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

    $85,221

    MSRP $90,440

    Est. $1,602/mo

    Sapaugh GM Country

    4.8
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    Herculaneum, MO (291 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

    $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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GMC Sierra 2500 prices by year

Model year Average price Deals
2025 GMC Sierra 2500 AT4 $74,973 19 Great deals
2024 GMC Sierra 2500 AT4 $70,647 352 Good deals
2023 GMC Sierra 2500 AT4 $57,279 34 Great deals
2022 GMC Sierra 2500 AT4 $54,172 26 Great deals
2021 GMC Sierra 2500 AT4 $53,638 5 Great deals
2020 GMC Sierra 2500 AT4 $49,189 27 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