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  • Onyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4X

    $84,138

    $196
    14,692 mi.
    Est. $1,494/mo

    AutoCenters Nissan

    4.6
    Check Availability
    Herculaneum, MO (291 mi)

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  • Summit White 2026 GMC Sierra 2500 AT4XSummit White 2026 GMC Sierra 2500 AT4XSummit White 2026 GMC Sierra 2500 AT4XSummit White 2026 GMC Sierra 2500 AT4XSummit White 2026 GMC Sierra 2500 AT4XSummit White 2026 GMC Sierra 2500 AT4X

    $93,897

    Est. $1,667/mo

    Kelley Buick GMC of Bartow

    4.0
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    Bartow, FL (1,020 mi)

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  • Summit White 2026 GMC Sierra 2500 AT4XSummit White 2026 GMC Sierra 2500 AT4XSummit White 2026 GMC Sierra 2500 AT4XSummit White 2026 GMC Sierra 2500 AT4XSummit White 2026 GMC Sierra 2500 AT4XSummit White 2026 GMC Sierra 2500 AT4X

    $99,555

    MSRP $99,330

    Est. $1,768/mo

    Texan GMC Buick

    4.6
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    Humble, TX (926 mi)
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  • Volcanic Red 2026 GMC Sierra 2500 AT4XVolcanic Red 2026 GMC Sierra 2500 AT4XVolcanic Red 2026 GMC Sierra 2500 AT4XVolcanic Red 2026 GMC Sierra 2500 AT4XVolcanic Red 2026 GMC Sierra 2500 AT4XVolcanic Red 2026 GMC Sierra 2500 AT4X

    $99,175

    MSRP $99,175

    Est. $1,761/mo

    Jerry Seiner North Salt Lake GMC

    2.9
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    North Salt Lake, UT (1,256 mi)
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  • Dune 2026 GMC Sierra 2500 AT4XDune 2026 GMC Sierra 2500 AT4XDune 2026 GMC Sierra 2500 AT4XDune 2026 GMC Sierra 2500 AT4XDune 2026 GMC Sierra 2500 AT4XDune 2026 GMC Sierra 2500 AT4X

    $91,853

    MSRP $99,400

    Est. $1,631/mo

    Ron Carter Chevrolet

    4.2
    Check Availability
    Alvin, TX (959 mi)
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  • Volcanic Red 2026 GMC Sierra 2500 AT4XVolcanic Red 2026 GMC Sierra 2500 AT4XVolcanic Red 2026 GMC Sierra 2500 AT4XVolcanic Red 2026 GMC Sierra 2500 AT4XVolcanic Red 2026 GMC Sierra 2500 AT4XVolcanic Red 2026 GMC Sierra 2500 AT4X

    $90,175

    MSRP $99,175

    Est. $1,601/mo

    Royal Moore GMC Buick

    4.9
    Check Availability
    Hillsboro, OR (1,769 mi)
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  • Volcanic Red 2026 GMC Sierra 2500 AT4XVolcanic Red 2026 GMC Sierra 2500 AT4XVolcanic Red 2026 GMC Sierra 2500 AT4XVolcanic Red 2026 GMC Sierra 2500 AT4XVolcanic Red 2026 GMC Sierra 2500 AT4XVolcanic Red 2026 GMC Sierra 2500 AT4X

    $90,534

    MSRP $89,535

    Est. $1,607/mo

    Chevrolet GMC of Fairbanks

    4.8
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    Fairbanks, AK (2,788 mi)
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  • Onyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4X

    $108,500

    Est. $1,926/mo

    Reynolds GMC

    4.7
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    West Covina, CA (1,724 mi)

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  • Onyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4X

    $99,025

    Est. $1,758/mo

    Husker Auto Group

    4.8
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    Lincoln, NE (474 mi)
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  • Coastal Dune 2026 GMC Sierra 2500 AT4XCoastal Dune 2026 GMC Sierra 2500 AT4XCoastal Dune 2026 GMC Sierra 2500 AT4XCoastal Dune 2026 GMC Sierra 2500 AT4XCoastal Dune 2026 GMC Sierra 2500 AT4XCoastal Dune 2026 GMC Sierra 2500 AT4X

    $99,824

    Est. $1,772/mo

    AutoNation Buick GMC West Sahara

    4.5
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    Las Vegas, NV (1,527 mi)
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  • Sterling Metallic 2026 GMC Sierra 2500 AT4XSterling Metallic 2026 GMC Sierra 2500 AT4XSterling Metallic 2026 GMC Sierra 2500 AT4XSterling Metallic 2026 GMC Sierra 2500 AT4XSterling Metallic 2026 GMC Sierra 2500 AT4XSterling Metallic 2026 GMC Sierra 2500 AT4X

    $93,427

    MSRP $99,225

    Est. $1,659/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 AT4XCoastal Dune 2026 GMC Sierra 2500 AT4XCoastal Dune 2026 GMC Sierra 2500 AT4XCoastal Dune 2026 GMC Sierra 2500 AT4XCoastal Dune 2026 GMC Sierra 2500 AT4XCoastal Dune 2026 GMC Sierra 2500 AT4X

    $99,997

    $2.4K
    Est. $1,776/mo

    Jimmy Britt Chevrolet

    4.3
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    Greensboro, GA (625 mi)
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  • Onyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4X

    $114,957

    Est. $2,041/mo

    Schumacher Buick GMC of West Palm Beach

    4.8
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    West Palm Beach, FL (1,133 mi)
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  • Onyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4X

    $93,796

    $2.9K

    MSRP $100,400

    Est. $1,665/mo

    Walt Massey Chevrolet GMC Columbia

    4.7
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    Columbia, MS (744 mi)

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  • Onyx Black 2026 GMC Sierra 2500 AT4X

    $99,255

    Est. $1,762/mo

    Henry Brown Buick GMC

    4.8
    Check Availability
    Gilbert, AZ (1,442 mi)
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  • Onyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4X

    $81,662

    MSRP $89,385

    Est. $1,450/mo

    Woody Buick GMC Naperville

    4.9
    Check Availability
    Naperville, IL (30 mi)
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  • Black 2026 GMC Sierra 2500 AT4XBlack 2026 GMC Sierra 2500 AT4XBlack 2026 GMC Sierra 2500 AT4XBlack 2026 GMC Sierra 2500 AT4XBlack 2026 GMC Sierra 2500 AT4XBlack 2026 GMC Sierra 2500 AT4X

    $91,699

    $1.8K

    MSRP $100,049

    Est. $1,628/mo

    Classic Buick GMC

    4.7
    Check Availability
    Houston, TX (949 mi)
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  • Onyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4X

    $92,798

    Est. $1,648/mo

    Covert Buick GMC Austin

    4.5
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    Austin, TX (971 mi)
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  • Summit White 2026 GMC Sierra 2500 AT4XSummit White 2026 GMC Sierra 2500 AT4XSummit White 2026 GMC Sierra 2500 AT4XSummit White 2026 GMC Sierra 2500 AT4XSummit White 2026 GMC Sierra 2500 AT4XSummit White 2026 GMC Sierra 2500 AT4X

    $99,754

    MSRP $99,529

    Est. $1,771/mo

    Gay Family Auto

    4.8
    Check Availability
    Dickinson, TX (954 mi)
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  • Onyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4X

    $96,618

    MSRP $99,324

    Est. $1,716/mo

    Thompson Buick Cadillac GMC

    3.7
    Check Availability
    Raleigh, NC (641 mi)

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  • Volcanic Red Tintcoat 2026 GMC Sierra 2500 AT4XVolcanic Red Tintcoat 2026 GMC Sierra 2500 AT4XVolcanic Red Tintcoat 2026 GMC Sierra 2500 AT4XVolcanic Red Tintcoat 2026 GMC Sierra 2500 AT4XVolcanic Red Tintcoat 2026 GMC Sierra 2500 AT4XVolcanic Red Tintcoat 2026 GMC Sierra 2500 AT4X

    $83,335

    $500
    Est. $1,480/mo

    West Metro Buick GMC

    5.0
    Check Availability
    Monticello, MN (389 mi)
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  • Onyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4X

    $83,412

    MSRP $88,490

    Est. $1,481/mo

    Bill Kay Buick GMC

    4.4
    Check Availability
    Downers Grove, IL (22 mi)
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  • Sterling Metallic 2026 GMC Sierra 2500 AT4XSterling Metallic 2026 GMC Sierra 2500 AT4XSterling Metallic 2026 GMC Sierra 2500 AT4XSterling Metallic 2026 GMC Sierra 2500 AT4XSterling Metallic 2026 GMC Sierra 2500 AT4XSterling Metallic 2026 GMC Sierra 2500 AT4X

    $91,162

    MSRP $99,225

    Est. $1,619/mo

    Woody Buick GMC of Gurnee

    5.0
    Check Availability
    Gurnee, IL (38 mi)
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  • Summit White 2026 GMC Sierra 2500 AT4XSummit White 2026 GMC Sierra 2500 AT4XSummit White 2026 GMC Sierra 2500 AT4XSummit White 2026 GMC Sierra 2500 AT4XSummit White 2026 GMC Sierra 2500 AT4XSummit White 2026 GMC Sierra 2500 AT4X

    $94,775

    Est. $1,683/mo

    Rick Hendrick Buick GMC

    4.8
    Check Availability
    Duluth, GA (580 mi)
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  • Summit White 2026 GMC Sierra 2500 AT4XSummit White 2026 GMC Sierra 2500 AT4XSummit White 2026 GMC Sierra 2500 AT4XSummit White 2026 GMC Sierra 2500 AT4XSummit White 2026 GMC Sierra 2500 AT4XSummit White 2026 GMC Sierra 2500 AT4X

    $86,190

    $1K
    Est. $1,530/mo

    Arnie Bauer Buick GMC of Matteson

    4.4
    Check Availability
    Matteson, IL (27 mi)
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  • Summit White 2026 GMC Sierra 2500 AT4XSummit White 2026 GMC Sierra 2500 AT4XSummit White 2026 GMC Sierra 2500 AT4XSummit White 2026 GMC Sierra 2500 AT4XSummit White 2026 GMC Sierra 2500 AT4XSummit White 2026 GMC Sierra 2500 AT4X

    $105,042

    MSRP $107,920

    Est. $1,865/mo

    Woodland Motors

    4.7
    Check Availability
    Woodland, CA (1,799 mi)

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  • Volcanic Red Tintcoat 2026 GMC Sierra 2500 AT4XVolcanic Red Tintcoat 2026 GMC Sierra 2500 AT4XVolcanic Red Tintcoat 2026 GMC Sierra 2500 AT4XVolcanic Red Tintcoat 2026 GMC Sierra 2500 AT4XVolcanic Red Tintcoat 2026 GMC Sierra 2500 AT4XVolcanic Red Tintcoat 2026 GMC Sierra 2500 AT4X

    $99,650

    MSRP $99,425

    Est. $1,769/mo

    Group 1 GMC Southwest

    4.4
    Check Availability
    Houston, TX (953 mi)
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  • Sterling Metallic 2026 GMC Sierra 2500 AT4XSterling Metallic 2026 GMC Sierra 2500 AT4XSterling Metallic 2026 GMC Sierra 2500 AT4XSterling Metallic 2026 GMC Sierra 2500 AT4XSterling Metallic 2026 GMC Sierra 2500 AT4XSterling Metallic 2026 GMC Sierra 2500 AT4X

    $106,686

    MSRP $99,669

    Est. $1,894/mo

    Corwin Buick GMC Cadillac Reno

    4.6
    Check Availability
    Reno, NV (1,683 mi)
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  • Sterling Metallic 2026 GMC Sierra 2500 AT4XSterling Metallic 2026 GMC Sierra 2500 AT4XSterling Metallic 2026 GMC Sierra 2500 AT4XSterling Metallic 2026 GMC Sierra 2500 AT4XSterling Metallic 2026 GMC Sierra 2500 AT4XSterling Metallic 2026 GMC Sierra 2500 AT4X

    $91,819

    MSRP $99,620

    Est. $1,630/mo

    Bob Howard Buick GMC

    4.6
    Check Availability
    Oklahoma City, OK (686 mi)
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  • Sterling Metallic 2026 GMC Sierra 2500 AT4XSterling Metallic 2026 GMC Sierra 2500 AT4XSterling Metallic 2026 GMC Sierra 2500 AT4XSterling Metallic 2026 GMC Sierra 2500 AT4XSterling Metallic 2026 GMC Sierra 2500 AT4XSterling Metallic 2026 GMC Sierra 2500 AT4X

    $90,395

    $225

    MSRP $90,395

    Est. $1,605/mo

    Group 1 Buick GMC South

    4.6
    Check Availability
    Houston, TX (948 mi)
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GMC Sierra 2500 prices by year

Model year Average price Deals
2025 GMC Sierra 2500 AT4X $85,175 9 Great deals
2024 GMC Sierra 2500 AT4X $76,993 17 Great deals

About the 2026 GMC Sierra 2500 AT4X

Basics

AT4X 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 AT4X
FAQs

How much does the 2026 GMC Sierra 2500 AT4X cost?

The 2026 GMC Sierra 2500 AT4X price depends on optional features. Prices typically start at $85,200.

What are some similar vehicles and competitors of the 2026 GMC Sierra 2500 AT4X?

The 2026 GMC Sierra 2500 AT4X compares to and/or competes against the following vehicles:


Trims

AT4X (1 style)

Style
4WD Crew Cab 159" AT4X
Inventory price
Starting at $85,200
Combined MPG
0
Engine
470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel)
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2026 GMC Sierra 2500 AT4X by popular city

GMC Sierra 2500 trims