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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. $1,592/mo

    Laura Buick GMC

    4.5
    Collinsville, IL (28 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. $1,584/mo

    Laura Buick GMC

    4.5
    Collinsville, IL (28 mi)
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  • Downpour Metallic 2026 GMC Sierra 2500 Denali UltimateDownpour Metallic 2026 GMC Sierra 2500 Denali UltimateDownpour Metallic 2026 GMC Sierra 2500 Denali UltimateDownpour Metallic 2026 GMC Sierra 2500 Denali UltimateDownpour Metallic 2026 GMC Sierra 2500 Denali UltimateDownpour Metallic 2026 GMC Sierra 2500 Denali Ultimate

    $94,020

    MSRP $98,675

    Est. $1,639/mo

    Sapaugh GM Country

    4.8
    Herculaneum, MO (18 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. $1,602/mo

    Laura Buick GMC

    4.5
    Collinsville, IL (28 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

    $95,874

    $999
    Est. $1,671/mo

    Laura Buick GMC

    4.5
    Collinsville, IL (28 mi)
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  • Downpour Metallic 2026 GMC Sierra 2500 Denali UltimateDownpour Metallic 2026 GMC Sierra 2500 Denali UltimateDownpour Metallic 2026 GMC Sierra 2500 Denali UltimateDownpour Metallic 2026 GMC Sierra 2500 Denali UltimateDownpour Metallic 2026 GMC Sierra 2500 Denali UltimateDownpour Metallic 2026 GMC Sierra 2500 Denali Ultimate

    $123,517

    MSRP $98,035

    Est. $2,153/mo

    Dave Sinclair Buick GMC

    4.9
    Saint Louis, MO (6 mi)
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  • Sterling Metallic 2026 GMC Sierra 2500 Denali UltimateSterling Metallic 2026 GMC Sierra 2500 Denali UltimateSterling Metallic 2026 GMC Sierra 2500 Denali UltimateSterling Metallic 2026 GMC Sierra 2500 Denali UltimateSterling Metallic 2026 GMC Sierra 2500 Denali UltimateSterling Metallic 2026 GMC Sierra 2500 Denali Ultimate

    $89,929

    MSRP $98,035

    Est. $1,568/mo

    Dave Sinclair Buick GMC

    4.9
    Saint Louis, MO (6 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. $1,602/mo

    Laura Buick GMC

    4.5
    Collinsville, IL (28 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. $1,592/mo

    Laura Buick GMC

    4.5
    Collinsville, IL (28 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. $1,602/mo

    Laura Buick GMC

    4.5
    Collinsville, IL (28 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. $1,592/mo

    Laura Buick GMC

    4.5
    Collinsville, IL (28 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. $1,623/mo

    Laura Buick GMC

    4.5
    Collinsville, IL (28 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. $1,592/mo

    Laura Buick GMC

    4.5
    Collinsville, IL (28 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. $1,592/mo

    Laura Buick GMC

    4.5
    Collinsville, IL (28 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. $1,592/mo

    Laura Buick GMC

    4.5
    Collinsville, IL (28 mi)
    Check Availability
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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

    $95,974

    $999
    Est. $1,673/mo

    Laura Buick GMC

    4.5
    Collinsville, IL (28 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

    $92,563

    Est. $1,614/mo

    Laura Buick GMC

    4.5
    Collinsville, IL (28 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

    $100,091

    $999
    Est. $1,745/mo

    Laura Buick GMC

    4.5
    Collinsville, IL (28 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

    $98,491

    $999
    Est. $1,717/mo

    Laura Buick GMC

    4.5
    Collinsville, IL (28 mi)
    Check Availability
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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

    $98,103

    $999
    Est. $1,710/mo

    Laura Buick GMC

    4.5
    Collinsville, IL (28 mi)
    Check Availability
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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

    $98,491

    $999
    Est. $1,717/mo

    Laura Buick GMC

    4.5
    Collinsville, IL (28 mi)
    Check Availability
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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

    $99,334

    $999
    Est. $1,732/mo

    Laura Buick GMC

    4.5
    Collinsville, IL (28 mi)
    Check Availability
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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. $1,592/mo

    Laura Buick GMC

    4.5
    Collinsville, IL (28 mi)
    Check Availability
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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

    $91,424

    Est. $1,594/mo

    Laura Buick GMC

    4.5
    Collinsville, IL (28 mi)
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  • Sterling Metallic 2026 GMC Sierra 2500 Denali UltimateSterling Metallic 2026 GMC Sierra 2500 Denali UltimateSterling Metallic 2026 GMC Sierra 2500 Denali UltimateSterling Metallic 2026 GMC Sierra 2500 Denali UltimateSterling Metallic 2026 GMC Sierra 2500 Denali UltimateSterling Metallic 2026 GMC Sierra 2500 Denali Ultimate

    $92,412

    MSRP $101,190

    Est. $1,611/mo

    Woody Buick GMC Naperville

    4.9
    $299 delivery from Naperville, IL (256 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

    $88,662

    $500

    MSRP $97,840

    Est. $1,546/mo

    Woody Buick GMC of Gurnee

    5.0
    $448 delivery from Gurnee, IL (299 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