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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

    $87,217

    $1.1K
    Est. $1,639/mo

    Pryor Chevrolet Gmc

    4.7
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    Pryor, OK (566 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

    $75,926

    MSRP $80,469

    Est. $1,427/mo

    Southern Buick GMC Virginia Beach

    4.1
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    Virginia Beach, VA (710 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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  • 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

    $88,560

    Est. $1,665/mo

    Rick Hendrick Chevrolet Buick GMC

    4.7
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    Richmond, VA (606 mi)
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  • Tan 2026 GMC Sierra 2500 AT4Tan 2026 GMC Sierra 2500 AT4Tan 2026 GMC Sierra 2500 AT4Tan 2026 GMC Sierra 2500 AT4Tan 2026 GMC Sierra 2500 AT4Tan 2026 GMC Sierra 2500 AT4

    $74,525

    MSRP $79,025

    Est. $1,401/mo

    Classic Buick GMC

    4.7
    Check Availability
    Houston, TX (949 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

    $86,500

    Est. $1,626/mo

    Gettel Chevrolet Buick GMC of Charlotte County

    4.5
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    Punta Gorda, FL (1,082 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

    $85,984

    MSRP $92,295

    Est. $1,616/mo

    Group 1 GMC Southwest

    4.4
    Check Availability
    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

    $79,820

    MSRP $79,820

    Est. $1,500/mo

    Thompson Buick Cadillac GMC

    3.8
    Check Availability
    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

    $85,770

    Est. $1,612/mo

    Dixie Buick GMC Truck Inc.

    4.4
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    Fort Myers, FL (1,110 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

    $78,977

    3,952 mi.
    Est. $1,484/mo

    Findlay Chrysler Dodge Jeep Ram

    4.2
    Check Availability
    Findlay, OH (213 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

    $80,234

    198 mi.
    Est. $1,508/mo

    Heritage Buick GMC

    4.6
    Check Availability
    Rockwall, TX (786 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

    $76,599

    $400
    2,554 mi.
    Est. $1,440/mo

    Castle Chevrolet GMC

    4.3
    Check Availability
    McHenry, IL (45 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

    $82,126

    MSRP $91,825

    Est. $1,544/mo

    Rivard Buick GMC

    4.8
    Check Availability
    Tampa, FL (1,008 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

    $84,555

    MSRP $89,105

    Est. $1,589/mo

    Spitzer Chevrolet GMC Cadillac of Dubois

    4.6
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    DuBois, PA (462 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

    $79,760

    MSRP $88,260

    Est. $1,499/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

    $82,780

    Est. $1,556/mo

    Thompson Buick, GMC, Cadillac

    4.8
    Check Availability
    Springfield, MO (444 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

    $91,397

    Est. $1,718/mo

    Ewald Buick GMC of Menomonee Falls

    4.7
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    Menomonee Falls, WI (93 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
    Check Availability
    Dowagiac, MI (78 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

    $78,999

    2,901 mi.
    Est. $1,485/mo

    Joe Myers Toyota

    4.8
    Check Availability
    Houston, TX (939 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

    $74,270

    MSRP $78,770

    Est. $1,396/mo

    Express Dyersburg Chevrolet GMC

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    Dyersburg, TN (414 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

    $80,852

    MSRP $90,050

    Est. $1,520/mo

    Walt Massey Chevrolet GMC Lucedale

    4.8
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    Lucedale, MS (759 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

    $74,895

    MSRP $75,895

    Est. $1,408/mo

    Wilson County GM

    4.0
    Check Availability
    Lebanon, TN (400 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

    $87,755

    Est. $1,649/mo

    Star GMC of Easton

    4.5
    Check Availability
    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

    $82,292

    MSRP $89,960

    Est. $1,547/mo

    Walser Buick GMC Roseville

    4.2
    Check Availability
    Roseville, MN (354 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

    $93,755

    Est. $1,762/mo

    McDonald GMC Cadillac

    4.9
    Check Availability
    Saginaw, MI (213 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

    $92,370

    MSRP $92,370

    Est. $1,736/mo

    Champion Chevrolet GMC of Kingsport

    4.7
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    Kingsport, TN (459 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

    $83,240

    Est. $1,565/mo

    Jimmy Britt Chevrolet

    4.3
    Check Availability
    Greensboro, GA (625 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

    $91,354

    MSRP $91,555

    Est. $1,717/mo

    AutoNation Buick GMC Park Meadows

    4.4
    Check Availability
    Lone Tree, CO (917 mi)
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GMC Sierra 2500 prices by year

Model year Average price Deals
2025 GMC Sierra 2500 AT4 $74,961 21 Great deals
2024 GMC Sierra 2500 AT4 $70,657 6 Great deals
2023 GMC Sierra 2500 AT4 $57,194 33 Great deals
2022 GMC Sierra 2500 AT4 $54,420 34 Great deals
2021 GMC Sierra 2500 AT4 $53,281 6 Great deals
2020 GMC Sierra 2500 AT4 $48,928 29 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