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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

    $78,304

    $1.6K

    MSRP $90,054

    Est. $1,465/mo

    McLarty Daniel Buick GMC

    4.6
    Bentonville, AR (6 mi)
    Check Availability

  • 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

    $71,179

    $1.8K
    15,867 mi.
    Est. $1,332/mo

    Chevrolet of Fayetteville

    4.6
    Fayetteville, AR (12 mi)
    Check Availability
  • 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

    $77,581

    4,871 mi.
    Est. $1,452/mo

    McLarty Daniel Nissan

    4.8
    Bentonville, AR (6 mi)
    Check Availability
  • 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

    $73,215

    24,503 mi.
    Est. $1,370/mo

    Crain Volkswagen of Fayetteville

    Fayetteville, AR (12 mi)
    Check Availability
  • Volcanic Red 2026 GMC Sierra 2500 AT4Volcanic Red 2026 GMC Sierra 2500 AT4Volcanic Red 2026 GMC Sierra 2500 AT4Volcanic Red 2026 GMC Sierra 2500 AT4Volcanic Red 2026 GMC Sierra 2500 AT4Volcanic Red 2026 GMC Sierra 2500 AT4

    $75,744

    MSRP $88,915

    Est. $1,417/mo

    Crain Buick GMC of Springdale

    4.0
    Springdale, AR (7 mi)
    Check Availability
  • 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

    $75,594

    MSRP $88,765

    Est. $1,414/mo

    Crain Buick GMC of Springdale

    4.0
    Springdale, AR (7 mi)
    Check Availability
  • 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

    $75,099

    MSRP $88,270

    Est. $1,405/mo

    Crain Buick GMC of Springdale

    4.0
    Springdale, AR (7 mi)
    Check Availability
  • 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

    $77,389

    $5.2K

    MSRP $89,560

    Est. $1,448/mo

    Crain Buick GMC of Springdale

    4.0
    Springdale, AR (7 mi)
    Check Availability
  • Volcanic Red 2026 GMC Sierra 2500 AT4Volcanic Red 2026 GMC Sierra 2500 AT4Volcanic Red 2026 GMC Sierra 2500 AT4Volcanic Red 2026 GMC Sierra 2500 AT4Volcanic Red 2026 GMC Sierra 2500 AT4Volcanic Red 2026 GMC Sierra 2500 AT4

    $76,539

    MSRP $89,710

    Est. $1,432/mo

    Crain Buick GMC of Springdale

    4.0
    Springdale, AR (7 mi)
    Check Availability
  • 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

    $77,809

    $4.5K

    MSRP $89,559

    Est. $1,456/mo

    McLarty Daniel Buick GMC

    4.6
    Bentonville, AR (6 mi)
    Check Availability
  • 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

    $79,299

    $1.6K

    MSRP $91,049

    Est. $1,484/mo

    McLarty Daniel Buick GMC

    4.6
    Bentonville, AR (6 mi)
    Check Availability
  • 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

    $75,594

    MSRP $88,765

    Est. $1,414/mo

    Crain Buick GMC of Springdale

    4.0
    Springdale, AR (7 mi)
    Check Availability
  • 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

    $78,304

    $4.5K

    MSRP $90,054

    Est. $1,465/mo

    McLarty Daniel Buick GMC

    4.6
    Bentonville, AR (6 mi)
    Check Availability
  • 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

    $80,375

    $4.5K

    MSRP $92,125

    Est. $1,504/mo

    McLarty Daniel Buick GMC

    4.6
    Bentonville, AR (6 mi)
    Check Availability
  • 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

    $82,354

    $4.5K

    MSRP $94,104

    Est. $1,541/mo

    McLarty Daniel Buick GMC

    4.6
    Bentonville, AR (6 mi)
    Check Availability
  • 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

    $78,304

    $1.6K

    MSRP $90,054

    Est. $1,465/mo

    McLarty Daniel Buick GMC

    4.6
    Bentonville, AR (6 mi)
    Check Availability
  • 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

    $82,354

    $4.5K

    MSRP $94,104

    Est. $1,541/mo

    McLarty Daniel Buick GMC

    4.6
    Bentonville, AR (6 mi)
    Check Availability
  • 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

    $78,514

    $4.5K

    MSRP $90,264

    Est. $1,469/mo

    McLarty Daniel Buick GMC

    4.6
    Bentonville, AR (6 mi)
    Check Availability
  • 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

    $82,354

    $4.5K

    MSRP $94,104

    Est. $1,541/mo

    McLarty Daniel Buick GMC

    4.6
    Bentonville, AR (6 mi)
    Check Availability
  • 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

    $78,304

    $1.6K

    MSRP $90,054

    Est. $1,465/mo

    McLarty Daniel Buick GMC

    4.6
    Bentonville, AR (6 mi)
    Check Availability
  • 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

    $77,809

    $4.5K

    MSRP $89,559

    Est. $1,456/mo

    McLarty Daniel Buick GMC

    4.6
    Bentonville, AR (6 mi)
    Check Availability
  • 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

    $81,859

    $4.5K

    MSRP $93,609

    Est. $1,532/mo

    McLarty Daniel Buick GMC

    4.6
    Bentonville, AR (6 mi)
    Check Availability
  • Sterling 2026 GMC Sierra 2500 AT4

    $71,869

    MSRP $76,740

    Est. $1,345/mo

    Crain Buick GMC of Springdale

    4.0
    Springdale, AR (7 mi)
    Check Availability
  • Volcanic Red 2026 GMC Sierra 2500 AT4Volcanic Red 2026 GMC Sierra 2500 AT4Volcanic Red 2026 GMC Sierra 2500 AT4Volcanic Red 2026 GMC Sierra 2500 AT4Volcanic Red 2026 GMC Sierra 2500 AT4Volcanic Red 2026 GMC Sierra 2500 AT4

    $70,284

    Est. $1,315/mo

    Laura Buick GMC

    4.5
    $570 delivery from Collinsville, IL (286 mi)
    Check Availability
  • 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

    $73,035

    $3.5K

    MSRP $90,000

    Est. $1,367/mo

    VanGuard GMC

    4.7
    $399 delivery from Sherman, TX (225 mi)
    Check Availability
  • 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

    $78,582

    $4.5K

    MSRP $88,550

    Est. $1,470/mo

    Taylor Grubaugh Chevrolet Neosho

    Neosho, MO (43 mi)
    Check Availability
  • 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

    $70,419

    $1K

    MSRP $79,870

    Est. $1,318/mo

    Mayse Automotive

    4.5
    Aurora, MO (55 mi)
    Check Availability
  • 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

    $76,749

    $1K

    MSRP $91,200

    Est. $1,436/mo

    Mayse Automotive

    4.5
    Aurora, MO (55 mi)
    Check Availability
  • 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

    $81,393

    MSRP $90,995

    Est. $1,523/mo

    Jay Hodge GMC Muskogee

    4.7
    Muskogee, OK (73 mi)
    Check Availability
  • 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

    $69,924

    $1K

    MSRP $79,375

    Est. $1,308/mo

    Mayse Automotive

    4.5
    Aurora, MO (55 mi)
    Check Availability
  • 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

    $69,924

    $1K

    MSRP $79,375

    Est. $1,308/mo

    Mayse Automotive

    4.5
    Aurora, MO (55 mi)
    Check Availability
  • 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

    $70,419

    $1K

    MSRP $79,870

    Est. $1,318/mo

    Mayse Automotive

    4.5
    Aurora, MO (55 mi)
    Check Availability
  • 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

    $69,924

    $1K

    MSRP $79,375

    Est. $1,308/mo

    Mayse Automotive

    4.5
    Aurora, MO (55 mi)
    Check Availability
  • 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

    $79,438

    $4.5K

    MSRP $90,935

    Est. $1,486/mo

    Jay Hodge GMC Muskogee

    4.7
    Muskogee, OK (73 mi)
    Check Availability
  • 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

    $81,251

    $4.8K
    Est. $1,520/mo

    Pryor Chevrolet Gmc

    4.7
    Pryor, OK (62 mi)
    Check Availability
  • 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

    $70,419

    $1K

    MSRP $79,870

    Est. $1,318/mo

    Mayse Automotive

    4.5
    Aurora, MO (55 mi)
    Check Availability
  • 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

    $70,419

    $1K

    MSRP $79,870

    Est. $1,318/mo

    Mayse Automotive

    4.5
    Aurora, MO (55 mi)
    Check Availability

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 $72,500.

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 $72,500 Starting at $72,700
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)

2026 GMC Sierra 2500 AT4 by city

2026 GMC Sierra 2500 trims