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  • Metallic 2026 GMC Sierra 2500 Denali UltimateMetallic 2026 GMC Sierra 2500 Denali UltimateMetallic 2026 GMC Sierra 2500 Denali UltimateMetallic 2026 GMC Sierra 2500 Denali UltimateMetallic 2026 GMC Sierra 2500 Denali UltimateMetallic 2026 GMC Sierra 2500 Denali Ultimate

    $90,205

    Est. $1,687/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (19 mi)

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  • Sterling 2026 GMC Sierra 2500 Denali UltimateSterling 2026 GMC Sierra 2500 Denali UltimateSterling 2026 GMC Sierra 2500 Denali UltimateSterling 2026 GMC Sierra 2500 Denali UltimateSterling 2026 GMC Sierra 2500 Denali UltimateSterling 2026 GMC Sierra 2500 Denali Ultimate

    $90,205

    Est. $1,687/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (19 mi)

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  • Titanium Rush Metallic 2026 GMC Sierra 2500 Denali UltimateTitanium Rush Metallic 2026 GMC Sierra 2500 Denali UltimateTitanium Rush Metallic 2026 GMC Sierra 2500 Denali UltimateTitanium Rush Metallic 2026 GMC Sierra 2500 Denali UltimateTitanium Rush Metallic 2026 GMC Sierra 2500 Denali UltimateTitanium Rush Metallic 2026 GMC Sierra 2500 Denali Ultimate

    $90,205

    Est. $1,687/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (19 mi)
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  • Glacier White Tricoat 2026 GMC Sierra 2500 Denali UltimateGlacier White Tricoat 2026 GMC Sierra 2500 Denali UltimateGlacier White Tricoat 2026 GMC Sierra 2500 Denali UltimateGlacier White Tricoat 2026 GMC Sierra 2500 Denali UltimateGlacier White Tricoat 2026 GMC Sierra 2500 Denali UltimateGlacier White Tricoat 2026 GMC Sierra 2500 Denali Ultimate

    $88,377

    MSRP $98,635

    Est. $1,653/mo

    Dave Sinclair Buick GMC

    4.9
    Check Availability
    Saint Louis, MO (16 mi)
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  • Glacier White 2026 GMC Sierra 2500 Denali UltimateGlacier White 2026 GMC Sierra 2500 Denali UltimateGlacier White 2026 GMC Sierra 2500 Denali UltimateGlacier White 2026 GMC Sierra 2500 Denali UltimateGlacier White 2026 GMC Sierra 2500 Denali UltimateGlacier White 2026 GMC Sierra 2500 Denali Ultimate

    $90,754

    Est. $1,697/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (19 mi)
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  • Summit White 2026 GMC Sierra 2500 Denali UltimateSummit White 2026 GMC Sierra 2500 Denali UltimateSummit White 2026 GMC Sierra 2500 Denali UltimateSummit White 2026 GMC Sierra 2500 Denali UltimateSummit White 2026 GMC Sierra 2500 Denali UltimateSummit White 2026 GMC Sierra 2500 Denali Ultimate

    $89,752

    Est. $1,678/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (19 mi)
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  • Glacier White 2026 GMC Sierra 2500 Denali UltimateGlacier White 2026 GMC Sierra 2500 Denali UltimateGlacier White 2026 GMC Sierra 2500 Denali UltimateGlacier White 2026 GMC Sierra 2500 Denali UltimateGlacier White 2026 GMC Sierra 2500 Denali UltimateGlacier White 2026 GMC Sierra 2500 Denali Ultimate

    $96,395

    Est. $1,803/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (19 mi)
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  • Metallic 2026 GMC Sierra 2500 Denali UltimateMetallic 2026 GMC Sierra 2500 Denali UltimateMetallic 2026 GMC Sierra 2500 Denali UltimateMetallic 2026 GMC Sierra 2500 Denali UltimateMetallic 2026 GMC Sierra 2500 Denali UltimateMetallic 2026 GMC Sierra 2500 Denali Ultimate

    $90,205

    $2.7K
    Est. $1,687/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (19 mi)

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  • Summit White 2026 GMC Sierra 2500 Denali UltimateSummit White 2026 GMC Sierra 2500 Denali UltimateSummit White 2026 GMC Sierra 2500 Denali UltimateSummit White 2026 GMC Sierra 2500 Denali UltimateSummit White 2026 GMC Sierra 2500 Denali UltimateSummit White 2026 GMC Sierra 2500 Denali Ultimate

    $97,422

    Est. $1,822/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (19 mi)
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  • Sterling 2026 GMC Sierra 2500 Denali UltimateSterling 2026 GMC Sierra 2500 Denali UltimateSterling 2026 GMC Sierra 2500 Denali UltimateSterling 2026 GMC Sierra 2500 Denali UltimateSterling 2026 GMC Sierra 2500 Denali UltimateSterling 2026 GMC Sierra 2500 Denali Ultimate

    $90,205

    Est. $1,687/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (19 mi)
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  • Onyx Black 2026 GMC Sierra 2500 Denali UltimateOnyx Black 2026 GMC Sierra 2500 Denali UltimateOnyx Black 2026 GMC Sierra 2500 Denali UltimateOnyx Black 2026 GMC Sierra 2500 Denali UltimateOnyx Black 2026 GMC Sierra 2500 Denali UltimateOnyx Black 2026 GMC Sierra 2500 Denali Ultimate

    $97,530

    $750
    Est. $1,824/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (19 mi)
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  • Titanium Rush Metallic 2026 GMC Sierra 2500 Denali UltimateTitanium Rush Metallic 2026 GMC Sierra 2500 Denali UltimateTitanium Rush Metallic 2026 GMC Sierra 2500 Denali UltimateTitanium Rush Metallic 2026 GMC Sierra 2500 Denali UltimateTitanium Rush Metallic 2026 GMC Sierra 2500 Denali UltimateTitanium Rush Metallic 2026 GMC Sierra 2500 Denali Ultimate

    $91,436

    Est. $1,710/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (19 mi)
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  • Titanium Rush Metallic 2026 GMC Sierra 2500 Denali UltimateTitanium Rush Metallic 2026 GMC Sierra 2500 Denali UltimateTitanium Rush Metallic 2026 GMC Sierra 2500 Denali UltimateTitanium Rush Metallic 2026 GMC Sierra 2500 Denali UltimateTitanium Rush Metallic 2026 GMC Sierra 2500 Denali UltimateTitanium Rush Metallic 2026 GMC Sierra 2500 Denali Ultimate

    $90,205

    Est. $1,687/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (19 mi)
    Quick view
  • Titanium Rush Metallic 2026 GMC Sierra 2500 Denali UltimateTitanium Rush Metallic 2026 GMC Sierra 2500 Denali UltimateTitanium Rush Metallic 2026 GMC Sierra 2500 Denali UltimateTitanium Rush Metallic 2026 GMC Sierra 2500 Denali UltimateTitanium Rush Metallic 2026 GMC Sierra 2500 Denali UltimateTitanium Rush Metallic 2026 GMC Sierra 2500 Denali Ultimate

    $96,975

    $750
    Est. $1,813/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (19 mi)

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  • Metallic 2026 GMC Sierra 2500 Denali UltimateMetallic 2026 GMC Sierra 2500 Denali UltimateMetallic 2026 GMC Sierra 2500 Denali UltimateMetallic 2026 GMC Sierra 2500 Denali UltimateMetallic 2026 GMC Sierra 2500 Denali UltimateMetallic 2026 GMC Sierra 2500 Denali Ultimate

    $90,205

    Est. $1,687/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (19 mi)
    Quick view
  • Metallic 2026 GMC Sierra 2500 Denali UltimateMetallic 2026 GMC Sierra 2500 Denali UltimateMetallic 2026 GMC Sierra 2500 Denali UltimateMetallic 2026 GMC Sierra 2500 Denali UltimateMetallic 2026 GMC Sierra 2500 Denali UltimateMetallic 2026 GMC Sierra 2500 Denali Ultimate

    $90,205

    Est. $1,687/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (19 mi)
    Quick view
  • Metallic 2026 GMC Sierra 2500 Denali UltimateMetallic 2026 GMC Sierra 2500 Denali UltimateMetallic 2026 GMC Sierra 2500 Denali UltimateMetallic 2026 GMC Sierra 2500 Denali UltimateMetallic 2026 GMC Sierra 2500 Denali UltimateMetallic 2026 GMC Sierra 2500 Denali Ultimate

    $91,436

    Est. $1,710/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (19 mi)
    Quick view
  • Metallic 2026 GMC Sierra 2500 Denali UltimateMetallic 2026 GMC Sierra 2500 Denali UltimateMetallic 2026 GMC Sierra 2500 Denali UltimateMetallic 2026 GMC Sierra 2500 Denali UltimateMetallic 2026 GMC Sierra 2500 Denali UltimateMetallic 2026 GMC Sierra 2500 Denali Ultimate

    $90,205

    Est. $1,687/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (19 mi)
    Quick view
  • Metallic 2026 GMC Sierra 2500 Denali UltimateMetallic 2026 GMC Sierra 2500 Denali UltimateMetallic 2026 GMC Sierra 2500 Denali UltimateMetallic 2026 GMC Sierra 2500 Denali UltimateMetallic 2026 GMC Sierra 2500 Denali UltimateMetallic 2026 GMC Sierra 2500 Denali Ultimate

    $97,975

    Est. $1,832/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (19 mi)
    Quick view
  • Glacier White 2026 GMC Sierra 2500 Denali UltimateGlacier White 2026 GMC Sierra 2500 Denali UltimateGlacier White 2026 GMC Sierra 2500 Denali UltimateGlacier White 2026 GMC Sierra 2500 Denali UltimateGlacier White 2026 GMC Sierra 2500 Denali UltimateGlacier White 2026 GMC Sierra 2500 Denali Ultimate

    $98,524

    Est. $1,842/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (19 mi)

    Quick view
  • Titanium Rush Metallic 2026 GMC Sierra 2500 Denali UltimateTitanium Rush Metallic 2026 GMC Sierra 2500 Denali UltimateTitanium Rush Metallic 2026 GMC Sierra 2500 Denali UltimateTitanium Rush Metallic 2026 GMC Sierra 2500 Denali UltimateTitanium Rush Metallic 2026 GMC Sierra 2500 Denali UltimateTitanium Rush Metallic 2026 GMC Sierra 2500 Denali Ultimate

    $90,205

    Est. $1,687/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (19 mi)
    Quick view
  • Metallic 2026 GMC Sierra 2500 Denali UltimateMetallic 2026 GMC Sierra 2500 Denali UltimateMetallic 2026 GMC Sierra 2500 Denali UltimateMetallic 2026 GMC Sierra 2500 Denali UltimateMetallic 2026 GMC Sierra 2500 Denali UltimateMetallic 2026 GMC Sierra 2500 Denali Ultimate

    $93,245

    Est. $1,744/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (19 mi)
    Quick view
  • Onyx Black 2026 GMC Sierra 2500 Denali UltimateOnyx Black 2026 GMC Sierra 2500 Denali UltimateOnyx Black 2026 GMC Sierra 2500 Denali UltimateOnyx Black 2026 GMC Sierra 2500 Denali UltimateOnyx Black 2026 GMC Sierra 2500 Denali UltimateOnyx Black 2026 GMC Sierra 2500 Denali Ultimate

    $92,412

    MSRP $101,190

    Est. $1,728/mo

    Woody Buick GMC of Gurnee

    5.0
    Check Availability
    $422 delivery from Gurnee, IL (282 mi)
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  • Titanium Rush Metallic 2026 GMC Sierra 2500 Denali UltimateTitanium Rush Metallic 2026 GMC Sierra 2500 Denali UltimateTitanium Rush Metallic 2026 GMC Sierra 2500 Denali UltimateTitanium Rush Metallic 2026 GMC Sierra 2500 Denali UltimateTitanium Rush Metallic 2026 GMC Sierra 2500 Denali UltimateTitanium Rush Metallic 2026 GMC Sierra 2500 Denali Ultimate

    $89,412

    MSRP $97,840

    Est. $1,672/mo

    Woody Buick GMC Naperville

    4.9
    Check Availability
    $299 delivery from Naperville, IL (238 mi)
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About the 2026 GMC Sierra 2500 Denali Ultimate

Basics

Denali Ultimate 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 Denali Ultimate
FAQs

How much does the 2026 GMC Sierra 2500 Denali Ultimate cost?

The 2026 GMC Sierra 2500 Denali Ultimate price depends on optional features. Prices typically start at $94,200.

What are some similar vehicles and competitors of the 2026 GMC Sierra 2500 Denali Ultimate?

The 2026 GMC Sierra 2500 Denali Ultimate compares to and/or competes against the following vehicles:


Trims

Denali Ultimate (2 styles)

Style
4WD Crew Cab 159" Denali Ultimate 4WD Crew Cab 172" Denali Ultimate
Inventory price
Starting at $94,200 Starting at $94,500
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)
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2026 GMC Sierra 2500 Denali Ultimate by city

GMC Sierra 2500 trims