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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

    $98,550

    Est. $1,696/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (10 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

    $100,883

    Est. $1,736/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (10 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

    $91,105

    MSRP $98,035

    Est. $1,568/mo

    Bob Brockland Buick GMC

    4.7
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    Columbia, IL (24 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

    $91,881

    Est. $1,581/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (10 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

    $91,332

    Est. $1,572/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (10 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

    $91,881

    Est. $1,581/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (10 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

    $99,491

    Est. $1,712/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (10 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

    $91,332

    Est. $1,572/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (10 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

    $91,332

    Est. $1,572/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (10 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

    $96,974

    Est. $1,669/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (10 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

    $91,332

    Est. $1,572/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (10 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

    $90,879

    Est. $1,564/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (10 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

    $92,563

    Est. $1,593/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (10 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

    $91,881

    Est. $1,581/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (10 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

    $91,332

    Est. $1,572/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (10 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

    $94,398

    Est. $1,624/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (10 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

    $91,881

    Est. $1,581/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (10 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

    $93,112

    Est. $1,602/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (10 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

    $91,332

    Est. $1,572/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (10 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

    $97,523

    Est. $1,678/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (10 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

    $91,332

    Est. $1,572/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (10 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

    $91,424

    Est. $1,573/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (10 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

    $91,332

    Est. $1,572/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (10 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

    $100,334

    Est. $1,727/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (10 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

    $91,332

    Est. $1,572/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (10 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

    $101,091

    Est. $1,740/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (10 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

    $90,162

    MSRP $98,440

    Est. $1,552/mo

    Woody Buick GMC Naperville

    4.9
    Check Availability
    $299 delivery from Naperville, IL (229 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

    $90,162

    MSRP $97,840

    Est. $1,552/mo

    Woody Buick GMC of Gurnee

    5.0
    Check Availability
    $407 delivery from Gurnee, IL (272 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