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  • White 2026 GMC Sierra 2500 AT4XWhite 2026 GMC Sierra 2500 AT4XWhite 2026 GMC Sierra 2500 AT4XWhite 2026 GMC Sierra 2500 AT4XWhite 2026 GMC Sierra 2500 AT4XWhite 2026 GMC Sierra 2500 AT4X

    $87,060

    MSRP $87,995

    Est. $1,588/mo

    Ray Skillman Buick GMC South

    4.7
    Indianapolis, IN (15 mi)
    Check Availability

  • White 2026 GMC Sierra 2500 AT4XWhite 2026 GMC Sierra 2500 AT4XWhite 2026 GMC Sierra 2500 AT4XWhite 2026 GMC Sierra 2500 AT4XWhite 2026 GMC Sierra 2500 AT4XWhite 2026 GMC Sierra 2500 AT4X

    $87,060

    MSRP $87,995

    Est. $1,588/mo

    Ray Skillman Buick GMC South

    4.7
    Indianapolis, IN (15 mi)
    Check Availability
  • 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

    $91,262

    MSRP $101,050

    Est. $1,665/mo

    Stoops Buick GMC

    5.0
    Plainfield, IN (2 mi)
    Check Availability
  • 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

    $92,974

    $2K

    MSRP $101,309

    Est. $1,696/mo

    Leo Chevrolet of Lebanon

    Lebanon, IN (27 mi)
    Check Availability
  • 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

    $78,509

    13,142 mi.
    Est. $1,432/mo

    York Chevrolet Buick GMC

    Greencastle, IN (24 mi)
    Check Availability
  • 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

    $103,170

    MSRP $107,920

    Est. $1,882/mo

    Ed Martin Buick GMC

    4.9
    Carmel, IN (19 mi)
    Check Availability
  • 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

    $82,940

    MSRP $89,485

    Est. $1,513/mo

    Stoops Buick GMC

    5.0
    Plainfield, IN (2 mi)
    Check Availability
  • White 2026 GMC Sierra 2500 AT4XWhite 2026 GMC Sierra 2500 AT4XWhite 2026 GMC Sierra 2500 AT4XWhite 2026 GMC Sierra 2500 AT4XWhite 2026 GMC Sierra 2500 AT4XWhite 2026 GMC Sierra 2500 AT4X

    $87,060

    $1.4K

    MSRP $87,995

    Est. $1,588/mo

    Ray Skillman Buick GMC South

    4.7
    Indianapolis, IN (15 mi)
    Check Availability
  • Tan 2026 GMC Sierra 2500 AT4XTan 2026 GMC Sierra 2500 AT4XTan 2026 GMC Sierra 2500 AT4XTan 2026 GMC Sierra 2500 AT4XTan 2026 GMC Sierra 2500 AT4XTan 2026 GMC Sierra 2500 AT4X

    $100,380

    Est. $1,831/mo

    Ray Skillman Northeast GMC

    4.6
    Indianapolis, IN (20 mi)
    Check Availability
  • Sterling 2026 GMC Sierra 2500 AT4XSterling 2026 GMC Sierra 2500 AT4XSterling 2026 GMC Sierra 2500 AT4XSterling 2026 GMC Sierra 2500 AT4XSterling 2026 GMC Sierra 2500 AT4XSterling 2026 GMC Sierra 2500 AT4X

    $84,078

    MSRP $91,899

    Est. $1,534/mo

    Leo Chevrolet of Lebanon

    Lebanon, IN (27 mi)
    Check Availability
  • Tan 2026 GMC Sierra 2500 AT4XTan 2026 GMC Sierra 2500 AT4XTan 2026 GMC Sierra 2500 AT4XTan 2026 GMC Sierra 2500 AT4XTan 2026 GMC Sierra 2500 AT4XTan 2026 GMC Sierra 2500 AT4X

    $96,685

    $2K

    MSRP $99,620

    Est. $1,764/mo

    Ray Skillman Buick GMC South

    4.7
    Indianapolis, IN (15 mi)
    Check Availability
  • 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

    $89,050

    MSRP $88,490

    Est. $1,624/mo

    Ray Skillman Buick GMC South

    4.7
    Indianapolis, IN (15 mi)
    Check Availability
  • 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

    $96,004

    $3K

    MSRP $99,754

    Est. $1,751/mo

    Ed Martin Buick GMC

    4.9
    Carmel, IN (19 mi)
    Check Availability
  • 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

    $90,084

    MSRP $99,555

    Est. $1,643/mo

    Stoops Buick GMC

    5.0
    Plainfield, IN (2 mi)
    Check Availability
  • 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

    $81,510

    $2.1K
    Est. $1,487/mo

    Andy Mohr Buick GMC

    3.4
    Fishers, IN (29 mi)
    Check Availability
  • 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

    $87,574

    Est. $1,598/mo

    Andy Mohr Buick GMC

    3.4
    Fishers, IN (29 mi)
    Check Availability
  • Dune 2026 GMC Sierra 2500 AT4X

    Not Priced

    Ray Skillman Southside Kia

    3.5
    Indianapolis, IN (15 mi)
    Check Availability
  • 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

    $80,412

    MSRP $89,385

    Est. $1,467/mo

    Woody Buick GMC of Gurnee

    5.0
    $304 delivery from Gurnee, IL (203 mi)
    Check Availability
  • 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

    $87,662

    $2.5K

    MSRP $99,225

    Est. $1,599/mo

    Woody Buick GMC of Gurnee

    5.0
    $304 delivery from Gurnee, IL (203 mi)
    Check Availability
  • 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

    $79,298

    26,337 mi.
    Est. $1,447/mo

    Pilson Chevrolet

    Clinton, IN (56 mi)
    Check Availability
  • Sterling 2026 GMC Sierra 2500 AT4XSterling 2026 GMC Sierra 2500 AT4XSterling 2026 GMC Sierra 2500 AT4XSterling 2026 GMC Sierra 2500 AT4XSterling 2026 GMC Sierra 2500 AT4XSterling 2026 GMC Sierra 2500 AT4X

    $92,916

    $2.8K

    MSRP $99,725

    Est. $1,695/mo

    Vermilion Chevrolet GMC

    4.5
    Tilton, IL (72 mi)
    Check Availability
  • 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

    $90,260

    Est. $1,647/mo

    Bob Poynter Chevrolet Buick GMC

    Seymour, IN (58 mi)
    Check Availability
  • 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

    $88,502

    MSRP $98,630

    Est. $1,614/mo

    Dellen Chevrolet GMC

    4.7
    Greenfield, IN (32 mi)
    Check Availability
  • Sterling Metallic 2026 GMC Sierra 2500 AT4X

    $93,295

    $2K
    Est. $1,702/mo

    Stoops Buick GMC of Muncie

    4.4
    Muncie, IN (63 mi)
    Check Availability

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 $85,500.

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 $85,500
Combined MPG
0
Engine
470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel)

2026 GMC Sierra 2500 AT4X by city

2026 GMC Sierra 2500 trims