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  • 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

    $90,248

    MSRP $89,934

    Est. $1,631/mo

    LaFontaine Buick GMC of Highland

    4.7
    Highland, MI (20 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

    $91,173

    Est. $1,648/mo

    Shea Buick GMC

    4.2
    Flint, MI (17 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

    $83,811

    MSRP $89,035

    Est. $1,515/mo

    Al Serra Buick GMC

    4.9
    Grand Blanc, MI (20 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

    $91,559

    MSRP $91,245

    Est. $1,655/mo

    LaFontaine Buick GMC of Highland

    4.7
    Highland, MI (20 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

    $97,773

    MSRP $108,719

    Est. $1,767/mo

    Todd Wenzel Buick GMC of Davison

    4.6
    Davison, MI (28 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

    $98,205

    MSRP $109,214

    Est. $1,775/mo

    Todd Wenzel Buick GMC of Davison

    4.6
    Davison, MI (28 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

    $98,205

    MSRP $109,214

    Est. $1,775/mo

    Todd Wenzel Buick GMC of Davison

    4.6
    Davison, MI (28 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

    $98,205

    MSRP $109,214

    Est. $1,775/mo

    Todd Wenzel Buick GMC of Davison

    4.6
    Davison, MI (28 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

    $98,205

    MSRP $109,214

    Est. $1,775/mo

    Todd Wenzel Buick GMC of Davison

    4.6
    Davison, MI (28 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

    $90,002

    MSRP $99,824

    Est. $1,627/mo

    Todd Wenzel Buick GMC of Davison

    4.6
    Davison, MI (28 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

    $89,839

    MSRP $99,629

    Est. $1,624/mo

    Todd Wenzel Buick GMC of Davison

    4.6
    Davison, MI (28 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

    $90,002

    MSRP $99,824

    Est. $1,627/mo

    Todd Wenzel Buick GMC of Davison

    4.6
    Davison, MI (28 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

    $90,002

    MSRP $99,824

    Est. $1,627/mo

    Todd Wenzel Buick GMC of Davison

    4.6
    Davison, MI (28 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

    $107,178

    $2K

    MSRP $108,864

    Est. $1,937/mo

    LaFontaine Buick GMC of Highland

    4.7
    Highland, MI (20 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

    $92,338

    MSRP $92,024

    Est. $1,669/mo

    LaFontaine Buick GMC of Highland

    4.7
    Highland, MI (20 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

    $90,248

    MSRP $89,934

    Est. $1,631/mo

    LaFontaine Buick GMC of Highland

    4.7
    Highland, MI (20 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

    $98,288

    MSRP $99,974

    Est. $1,776/mo

    LaFontaine Buick GMC of Highland

    4.7
    Highland, MI (20 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

    $98,438

    MSRP $100,124

    Est. $1,779/mo

    LaFontaine Buick GMC of Highland

    4.7
    Highland, MI (20 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

    $96,030

    $2K
    Est. $1,735/mo

    Shea Buick GMC

    4.2
    Flint, MI (17 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

    $87,827

    $2K
    Est. $1,587/mo

    Shea Buick GMC

    4.2
    Flint, MI (17 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

    $95,899

    $2K
    Est. $1,733/mo

    Shea Buick GMC

    4.2
    Flint, MI (17 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. $1,453/mo

    Woody Buick GMC of Gurnee

    5.0
    $306 delivery from Gurnee, IL (205 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

    $87,912

    $2K

    MSRP $99,025

    Est. $1,589/mo

    Woody Buick GMC Naperville

    4.9
    $299 delivery from Naperville, IL (228 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

    $100,088

    Est. $1,809/mo

    LaFontaine Buick GMC of Ann Arbor

    4.7
    Ann Arbor, MI (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

    $80,398

    MSRP $88,480

    Est. $1,453/mo

    Serra Buick GMC Rochester Hills

    4.8
    Rochester Hills, MI (44 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

    $87,675

    $2K
    Est. $1,584/mo

    Mike Young Buick GMC

    4.1
    Frankenmuth, MI (39 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

    $95,443

    $2K

    MSRP $99,129

    Est. $1,725/mo

    LaFontaine Buick GMC of Lansing

    4.4
    Lansing, MI (31 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

    $88,548

    MSRP $90,234

    Est. $1,600/mo

    LaFontaine Buick GMC of Lansing

    4.4
    Lansing, MI (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

    $89,804

    $2K

    MSRP $101,545

    Est. $1,623/mo

    Lunghamer Buick-GMC Inc.

    4.8
    Waterford Township, MI (31 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

    $99,988

    Est. $1,807/mo

    LaFontaine Buick GMC of Ann Arbor

    4.7
    Ann Arbor, MI (37 mi)
    Check Availability
  • Volcanic Red 2026 GMC Sierra 2500 AT4XVolcanic Red 2026 GMC Sierra 2500 AT4XVolcanic Red 2026 GMC Sierra 2500 AT4XVolcanic Red 2026 GMC Sierra 2500 AT4XVolcanic Red 2026 GMC Sierra 2500 AT4XVolcanic Red 2026 GMC Sierra 2500 AT4X

    $100,438

    Est. $1,815/mo

    LaFontaine Buick GMC of Ann Arbor

    4.7
    Ann Arbor, MI (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

    $87,186

    $2K
    Est. $1,576/mo

    Mike Young Buick GMC

    4.1
    Frankenmuth, MI (39 mi)
    Check Availability
  • Volcanic Red 2026 GMC Sierra 2500 AT4X

    $100,148

    $2K
    Est. $1,810/mo

    McDonald GMC Cadillac

    4.8
    Saginaw, MI (44 mi)
    Check Availability
  • Summit White 2026 GMC Sierra 2500 AT4X

    $98,008

    $2K
    Est. $1,771/mo

    McDonald GMC Cadillac

    4.8
    Saginaw, MI (44 mi)
    Check Availability
  • Onyx Black 2026 GMC Sierra 2500 AT4X

    $98,503

    $2K
    Est. $1,780/mo

    McDonald GMC Cadillac

    4.8
    Saginaw, MI (44 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