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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

    $103,362

    MSRP $109,740

    Est. $1,947/mo

    Capitol GMC

    4.6
    San Jose, CA (5 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

    $102,272

    MSRP $108,650

    Est. $1,927/mo

    Capitol GMC

    4.6
    San Jose, CA (5 mi)
    Check Availability

  • 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

    $102,967

    MSRP $109,345

    Est. $1,940/mo

    Capitol GMC

    4.6
    San Jose, CA (5 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

    $102,817

    MSRP $109,195

    Est. $1,937/mo

    Capitol GMC

    4.6
    San Jose, CA (5 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

    $102,767

    MSRP $109,145

    Est. $1,936/mo

    Capitol GMC

    4.6
    San Jose, CA (5 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

    $101,502

    Est. $1,912/mo

    Dublin Buick GMC

    Dublin, CA (30 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

    $103,362

    MSRP $109,740

    Est. $1,947/mo

    Capitol GMC

    4.6
    San Jose, CA (5 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

    $101,787

    Est. $1,918/mo

    Dublin Buick GMC

    Dublin, CA (30 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

    $102,832

    MSRP $109,210

    Est. $1,937/mo

    Capitol GMC

    4.6
    San Jose, CA (5 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

    $93,142

    MSRP $99,520

    Est. $1,755/mo

    Capitol GMC

    4.6
    San Jose, CA (5 mi)
    Check Availability
  • Titanium Rush Metallic 2026 GMC Sierra 2500 AT4XTitanium Rush Metallic 2026 GMC Sierra 2500 AT4XTitanium Rush Metallic 2026 GMC Sierra 2500 AT4XTitanium Rush Metallic 2026 GMC Sierra 2500 AT4XTitanium Rush Metallic 2026 GMC Sierra 2500 AT4XTitanium Rush Metallic 2026 GMC Sierra 2500 AT4X

    $103,362

    MSRP $109,740

    Est. $1,947/mo

    Capitol GMC

    4.6
    San Jose, CA (5 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

    $102,832

    MSRP $109,210

    Est. $1,937/mo

    Capitol GMC

    4.6
    San Jose, CA (5 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

    $102,832

    MSRP $109,210

    Est. $1,937/mo

    Capitol GMC

    4.6
    San Jose, CA (5 mi)
    Check Availability
  • Titanium Rush Metallic 2026 GMC Sierra 2500 AT4XTitanium Rush Metallic 2026 GMC Sierra 2500 AT4XTitanium Rush Metallic 2026 GMC Sierra 2500 AT4XTitanium Rush Metallic 2026 GMC Sierra 2500 AT4XTitanium Rush Metallic 2026 GMC Sierra 2500 AT4XTitanium Rush Metallic 2026 GMC Sierra 2500 AT4X

    $102,782

    Est. $1,936/mo

    Dublin Buick GMC

    Dublin, CA (30 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

    $102,832

    MSRP $109,210

    Est. $1,937/mo

    Capitol GMC

    4.6
    San Jose, CA (5 mi)
    Check Availability

  • Titanium Rush Metallic 2026 GMC Sierra 2500 AT4XTitanium Rush Metallic 2026 GMC Sierra 2500 AT4XTitanium Rush Metallic 2026 GMC Sierra 2500 AT4XTitanium Rush Metallic 2026 GMC Sierra 2500 AT4XTitanium Rush Metallic 2026 GMC Sierra 2500 AT4XTitanium Rush Metallic 2026 GMC Sierra 2500 AT4X

    $102,782

    Est. $1,936/mo

    Dublin Buick GMC

    Dublin, CA (30 mi)
    Check Availability
  • 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

    $103,137

    Est. $1,943/mo

    Dublin Buick GMC

    Dublin, CA (30 mi)
    Check Availability
  • 2026 GMC Sierra 2500 AT4X2026 GMC Sierra 2500 AT4X2026 GMC Sierra 2500 AT4X2026 GMC Sierra 2500 AT4X2026 GMC Sierra 2500 AT4X2026 GMC Sierra 2500 AT4X

    $97,976

    MSRP $99,854

    Est. $1,846/mo

    Watsonville Cadillac GMC

    3.1
    Watsonville, CA (27 mi)
    Check Availability
  • 2026 GMC Sierra 2500 AT4X2026 GMC Sierra 2500 AT4X2026 GMC Sierra 2500 AT4X2026 GMC Sierra 2500 AT4X2026 GMC Sierra 2500 AT4X2026 GMC Sierra 2500 AT4X

    $99,976

    MSRP $99,854

    Est. $1,883/mo

    Watsonville Cadillac GMC

    3.1
    Watsonville, CA (27 mi)
    Check Availability
  • 2026 GMC Sierra 2500 AT4X2026 GMC Sierra 2500 AT4X2026 GMC Sierra 2500 AT4X2026 GMC Sierra 2500 AT4X2026 GMC Sierra 2500 AT4X2026 GMC Sierra 2500 AT4X

    $99,481

    MSRP $99,359

    Est. $1,874/mo

    Watsonville Cadillac GMC

    3.1
    Watsonville, CA (27 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

    $102,817

    MSRP $109,195

    Est. $1,937/mo

    Capitol GMC

    4.6
    San Jose, CA (5 mi)
    Check Availability

  • 2026 GMC Sierra 2500 AT4X2026 GMC Sierra 2500 AT4X2026 GMC Sierra 2500 AT4X2026 GMC Sierra 2500 AT4X2026 GMC Sierra 2500 AT4X2026 GMC Sierra 2500 AT4X

    $89,726

    MSRP $89,604

    Est. $1,690/mo

    Watsonville Cadillac GMC

    3.1
    Watsonville, CA (27 mi)
    Check Availability
  • 2026 GMC Sierra 2500 AT4X2026 GMC Sierra 2500 AT4X2026 GMC Sierra 2500 AT4X2026 GMC Sierra 2500 AT4X2026 GMC Sierra 2500 AT4X2026 GMC Sierra 2500 AT4X

    $89,231

    MSRP $89,109

    Est. $1,681/mo

    Watsonville Cadillac GMC

    3.1
    Watsonville, CA (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

    $93,702

    Est. $1,765/mo

    Dublin Buick GMC

    Dublin, CA (30 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

    $102,890

    $2.1K
    9,879 mi.
    Est. $1,938/mo

    Lifted Trucks - Glendale

    $1,115 delivery from Glendale, AZ (603 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

    $101,390

    $2.1K
    7,804 mi.
    Est. $1,910/mo

    Lifted Trucks - Glendale

    $1,115 delivery from Glendale, AZ (603 mi)
    Check Availability
  • Titanium Rush Metallic 2026 GMC Sierra 2500 AT4XTitanium Rush Metallic 2026 GMC Sierra 2500 AT4XTitanium Rush Metallic 2026 GMC Sierra 2500 AT4XTitanium Rush Metallic 2026 GMC Sierra 2500 AT4XTitanium Rush Metallic 2026 GMC Sierra 2500 AT4XTitanium Rush Metallic 2026 GMC Sierra 2500 AT4X

    $83,591

    12,576 mi.
    Est. $1,575/mo

    Abel Chevrolet

    4.8
    Rio Vista, CA (63 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

    $99,924

    Est. $1,882/mo

    Gold Star GMC

    Salinas, CA (42 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

    $99,924

    Est. $1,882/mo

    Gold Star GMC

    Salinas, CA (42 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

    $107,232

    Est. $2,020/mo

    Alfred Matthews GMC

    MODESTO, CA (60 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

    $107,232

    Est. $2,020/mo

    Alfred Matthews GMC

    MODESTO, CA (60 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