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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

    $94,320

    $3.5K
    Est. $1,705/mo

    Koons of Tysons Chevrolet GMC

    4.4
    Vienna, VA (14 mi)
    Check Availability

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

    $93,525

    $2K
    Est. $1,690/mo

    Koons of Tysons Chevrolet GMC

    4.4
    Vienna, VA (14 mi)
    Check Availability

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

    $94,020

    $2K
    Est. $1,699/mo

    Koons of Tysons Chevrolet GMC

    4.4
    Vienna, VA (14 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

    $91,808

    $2.3K

    MSRP $98,545

    Est. $1,659/mo

    Brandywine Buick GMC

    Brandywine, MD (27 mi)
    Check Availability
  • Titainium 2026 GMC Sierra 2500 AT4XTitainium 2026 GMC Sierra 2500 AT4XTitainium 2026 GMC Sierra 2500 AT4XTitainium 2026 GMC Sierra 2500 AT4XTitainium 2026 GMC Sierra 2500 AT4XTitainium 2026 GMC Sierra 2500 AT4X

    $97,198

    Est. $1,757/mo

    Criswell Chevrolet GMC

    4.8
    Gaithersburg, MD (12 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

    $91,747

    $2.3K

    MSRP $98,480

    Est. $1,658/mo

    Brandywine Buick GMC

    Brandywine, MD (27 mi)
    Check Availability
  • 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

    $93,389

    Est. $1,688/mo

    Leesburg Buick GMC

    4.4
    Leesburg, VA (29 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

    $92,959

    Est. $1,680/mo

    Leesburg Buick GMC

    4.4
    Leesburg, VA (29 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

    $94,320

    $3.5K
    Est. $1,705/mo

    Koons of Tysons Chevrolet GMC

    4.4
    Vienna, VA (14 mi)
    Check Availability

  • 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

    $83,464

    Est. $1,508/mo

    Leesburg Buick GMC

    4.4
    Leesburg, VA (29 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

    $91,807

    $2.3K

    MSRP $98,545

    Est. $1,659/mo

    Brandywine Buick GMC

    Brandywine, MD (27 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

    $96,703

    Est. $1,748/mo

    Criswell Chevrolet GMC

    4.8
    Gaithersburg, MD (12 mi)
    Check Availability
  • Coastal Dune 2026 GMC Sierra 2500 AT4XCoastal Dune 2026 GMC Sierra 2500 AT4XCoastal Dune 2026 GMC Sierra 2500 AT4X

    $85,200

    MSRP $89,900

    Est. $1,540/mo

    Koons Clarksville Chevy GMC

    4.5
    Clarksville, MD (13 mi)
    Check Availability
  • Summit White 2026 GMC Sierra 2500 AT4XSummit White 2026 GMC Sierra 2500 AT4XSummit White 2026 GMC Sierra 2500 AT4X

    $93,825

    $2K
    Est. $1,696/mo

    Koons of Tysons Chevrolet GMC

    4.4
    Vienna, VA (14 mi)
    Check Availability
  • Summit White 2026 GMC Sierra 2500 AT4XSummit White 2026 GMC Sierra 2500 AT4XSummit White 2026 GMC Sierra 2500 AT4X

    $93,825

    $2K
    Est. $1,696/mo

    Koons of Tysons Chevrolet GMC

    4.4
    Vienna, VA (14 mi)
    Check Availability

  • Summit White 2026 GMC Sierra 2500 AT4X

    $91,634

    $2.3K

    MSRP $98,350

    Est. $1,656/mo

    Brandywine Buick GMC

    Brandywine, MD (27 mi)
    Check Availability
  • Coastal Dune 2026 GMC Sierra 2500 AT4X

    $92,095

    $2.3K

    MSRP $98,845

    Est. $1,664/mo

    Brandywine Buick GMC

    Brandywine, MD (27 mi)
    Check Availability
  • Onyx Black 2026 GMC Sierra 2500 AT4X

    $91,807

    $2.3K

    MSRP $98,545

    Est. $1,659/mo

    Brandywine Buick GMC

    Brandywine, MD (27 mi)
    Check Availability
  • Sterling Metallic 2026 GMC Sierra 2500 AT4X

    $93,769

    $300

    MSRP $98,495

    Est. $1,695/mo

    Brandywine Buick GMC

    Brandywine, MD (27 mi)
    Check Availability
  • Sterling Metallic 2026 GMC Sierra 2500 AT4X

    $92,095

    MSRP $98,845

    Est. $1,664/mo

    Brandywine Buick GMC

    Brandywine, MD (27 mi)
    Check Availability
  • Sterling Metallic 2026 GMC Sierra 2500 AT4X

    $92,095

    MSRP $98,845

    Est. $1,664/mo

    Brandywine Buick GMC

    Brandywine, MD (27 mi)
    Check Availability
  • Onyx Black 2026 GMC Sierra 2500 AT4X

    $92,095

    MSRP $98,845

    Est. $1,664/mo

    Brandywine Buick GMC

    Brandywine, MD (27 mi)
    Check Availability
  • Summit White 2026 GMC Sierra 2500 AT4X

    $100,259

    Est. $1,812/mo

    Leesburg Buick GMC

    4.4
    Leesburg, VA (29 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

    $107,609

    $2K
    Est. $1,945/mo

    Impex Chevrolet GMC

    4.7
    $268 delivery from Reidsville, NC (236 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

    $107,609

    $2K
    Est. $1,945/mo

    Impex Chevrolet GMC

    4.7
    $268 delivery from Reidsville, NC (236 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

    $82,289

    Est. $1,487/mo

    Anderson of Hunt Valley

    4.9
    Cockeysville, MD (37 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

    $88,462

    $3K

    MSRP $98,855

    Est. $1,599/mo

    Anderson of Abingdon

    4.7
    Abingdon, MD (50 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

    $82,933

    MSRP $89,660

    Est. $1,499/mo

    Anderson of Abingdon

    4.7
    Abingdon, MD (50 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

    $92,294

    $9.1K
    Est. $1,668/mo

    Joyce Koons Honda Buick GMC

    4.7
    Manassas, VA (31 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

    $92,294

    $9.1K
    Est. $1,668/mo

    Joyce Koons Honda Buick GMC

    4.7
    Manassas, VA (31 mi)
    Check Availability
  • Volcanic Red 2026 GMC Sierra 2500 AT4X

    $92,444

    $9.1K
    Est. $1,671/mo

    Joyce Koons Honda Buick GMC

    4.7
    Manassas, VA (31 mi)
    Check Availability
  • Summit White 2026 GMC Sierra 2500 AT4X

    $91,799

    $9.1K
    Est. $1,659/mo

    Joyce Koons Honda Buick GMC

    4.7
    Manassas, VA (31 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
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