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  • Summit White 2026 GMC Sierra 2500 DenaliSummit White 2026 GMC Sierra 2500 DenaliSummit White 2026 GMC Sierra 2500 DenaliSummit White 2026 GMC Sierra 2500 DenaliSummit White 2026 GMC Sierra 2500 DenaliSummit White 2026 GMC Sierra 2500 Denali

    $74,821

    Est. $1,363/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (10 mi)

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  • Summit White 2026 GMC Sierra 2500 DenaliSummit White 2026 GMC Sierra 2500 DenaliSummit White 2026 GMC Sierra 2500 DenaliSummit White 2026 GMC Sierra 2500 DenaliSummit White 2026 GMC Sierra 2500 DenaliSummit White 2026 GMC Sierra 2500 Denali

    $78,085

    $500

    MSRP $90,490

    Est. $1,422/mo

    Steve Schmitt, Inc.

    4.9
    Check Availability
    Highland, IL (23 mi)
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  • Glacier White Tricoat 2026 GMC Sierra 2500 DenaliGlacier White Tricoat 2026 GMC Sierra 2500 DenaliGlacier White Tricoat 2026 GMC Sierra 2500 DenaliGlacier White Tricoat 2026 GMC Sierra 2500 DenaliGlacier White Tricoat 2026 GMC Sierra 2500 DenaliGlacier White Tricoat 2026 GMC Sierra 2500 Denali

    $80,464

    MSRP $90,515

    Est. $1,466/mo

    Dave Sinclair Buick GMC

    4.9
    Check Availability
    Saint Louis, MO (24 mi)
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  • Sterling Metallic 2026 GMC Sierra 2500 DenaliSterling Metallic 2026 GMC Sierra 2500 DenaliSterling Metallic 2026 GMC Sierra 2500 DenaliSterling Metallic 2026 GMC Sierra 2500 DenaliSterling Metallic 2026 GMC Sierra 2500 DenaliSterling Metallic 2026 GMC Sierra 2500 Denali

    $81,670

    Est. $1,488/mo

    Lou Fusz Buick GMC

    4.5
    Check Availability
    St. Louis, MO (19 mi)
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  • Downpour Metallic 2026 GMC Sierra 2500 DenaliDownpour Metallic 2026 GMC Sierra 2500 DenaliDownpour Metallic 2026 GMC Sierra 2500 DenaliDownpour Metallic 2026 GMC Sierra 2500 DenaliDownpour Metallic 2026 GMC Sierra 2500 DenaliDownpour Metallic 2026 GMC Sierra 2500 Denali

    $76,396

    MSRP $85,995

    Est. $1,392/mo

    Dave Sinclair Buick GMC

    4.9
    Check Availability
    Saint Louis, MO (24 mi)
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  • Metallic 2026 GMC Sierra 2500 DenaliMetallic 2026 GMC Sierra 2500 DenaliMetallic 2026 GMC Sierra 2500 DenaliMetallic 2026 GMC Sierra 2500 DenaliMetallic 2026 GMC Sierra 2500 DenaliMetallic 2026 GMC Sierra 2500 Denali

    $85,645

    Est. $1,560/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (10 mi)
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  • Metallic 2026 GMC Sierra 2500 DenaliMetallic 2026 GMC Sierra 2500 DenaliMetallic 2026 GMC Sierra 2500 DenaliMetallic 2026 GMC Sierra 2500 DenaliMetallic 2026 GMC Sierra 2500 DenaliMetallic 2026 GMC Sierra 2500 Denali

    $84,414

    $3K
    Est. $1,538/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (10 mi)
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  • Glacier White 2026 GMC Sierra 2500 DenaliGlacier White 2026 GMC Sierra 2500 DenaliGlacier White 2026 GMC Sierra 2500 DenaliGlacier White 2026 GMC Sierra 2500 DenaliGlacier White 2026 GMC Sierra 2500 DenaliGlacier White 2026 GMC Sierra 2500 Denali

    $86,194

    $3K
    Est. $1,570/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (10 mi)
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  • Sterling 2026 GMC Sierra 2500 DenaliSterling 2026 GMC Sierra 2500 DenaliSterling 2026 GMC Sierra 2500 DenaliSterling 2026 GMC Sierra 2500 DenaliSterling 2026 GMC Sierra 2500 DenaliSterling 2026 GMC Sierra 2500 Denali

    $85,645

    Est. $1,560/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (10 mi)
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  • Onyx Black 2026 GMC Sierra 2500 DenaliOnyx Black 2026 GMC Sierra 2500 DenaliOnyx Black 2026 GMC Sierra 2500 DenaliOnyx Black 2026 GMC Sierra 2500 DenaliOnyx Black 2026 GMC Sierra 2500 DenaliOnyx Black 2026 GMC Sierra 2500 Denali

    $89,285

    $2K

    MSRP $91,285

    Est. $1,626/mo

    Steve Schmitt, Inc.

    4.9
    Check Availability
    Highland, IL (23 mi)
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  • Onyx Black 2026 GMC Sierra 2500 DenaliOnyx Black 2026 GMC Sierra 2500 DenaliOnyx Black 2026 GMC Sierra 2500 DenaliOnyx Black 2026 GMC Sierra 2500 DenaliOnyx Black 2026 GMC Sierra 2500 DenaliOnyx Black 2026 GMC Sierra 2500 Denali

    $83,995

    Est. $1,530/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (10 mi)
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  • Glacier White Tricoat 2026 GMC Sierra 2500 DenaliGlacier White Tricoat 2026 GMC Sierra 2500 DenaliGlacier White Tricoat 2026 GMC Sierra 2500 DenaliGlacier White Tricoat 2026 GMC Sierra 2500 DenaliGlacier White Tricoat 2026 GMC Sierra 2500 DenaliGlacier White Tricoat 2026 GMC Sierra 2500 Denali

    $80,018

    MSRP $90,020

    Est. $1,458/mo

    Dave Sinclair Buick GMC

    4.9
    Check Availability
    Saint Louis, MO (24 mi)
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  • Glacier White Tricoat 2026 GMC Sierra 2500 DenaliGlacier White Tricoat 2026 GMC Sierra 2500 DenaliGlacier White Tricoat 2026 GMC Sierra 2500 DenaliGlacier White Tricoat 2026 GMC Sierra 2500 DenaliGlacier White Tricoat 2026 GMC Sierra 2500 DenaliGlacier White Tricoat 2026 GMC Sierra 2500 Denali

    $80,464

    MSRP $90,515

    Est. $1,466/mo

    Dave Sinclair Buick GMC

    4.9
    Check Availability
    Saint Louis, MO (24 mi)
    Quick view
  • Glacier White Tricoat 2026 GMC Sierra 2500 DenaliGlacier White Tricoat 2026 GMC Sierra 2500 DenaliGlacier White Tricoat 2026 GMC Sierra 2500 DenaliGlacier White Tricoat 2026 GMC Sierra 2500 DenaliGlacier White Tricoat 2026 GMC Sierra 2500 DenaliGlacier White Tricoat 2026 GMC Sierra 2500 Denali

    $80,018

    MSRP $90,020

    Est. $1,458/mo

    Dave Sinclair Buick GMC

    4.9
    Check Availability
    Saint Louis, MO (24 mi)
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  • Titanium Rush Metallic 2026 GMC Sierra 2500 DenaliTitanium Rush Metallic 2026 GMC Sierra 2500 DenaliTitanium Rush Metallic 2026 GMC Sierra 2500 DenaliTitanium Rush Metallic 2026 GMC Sierra 2500 DenaliTitanium Rush Metallic 2026 GMC Sierra 2500 DenaliTitanium Rush Metallic 2026 GMC Sierra 2500 Denali

    $83,995

    Est. $1,530/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (10 mi)
    Quick view
  • Glacier White Tricoat 2026 GMC Sierra 2500 DenaliGlacier White Tricoat 2026 GMC Sierra 2500 DenaliGlacier White Tricoat 2026 GMC Sierra 2500 DenaliGlacier White Tricoat 2026 GMC Sierra 2500 DenaliGlacier White Tricoat 2026 GMC Sierra 2500 DenaliGlacier White Tricoat 2026 GMC Sierra 2500 Denali

    $80,464

    Est. $1,466/mo

    Lou Fusz Buick GMC

    4.5
    Check Availability
    St. Louis, MO (19 mi)
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  • Metallic 2026 GMC Sierra 2500 DenaliMetallic 2026 GMC Sierra 2500 DenaliMetallic 2026 GMC Sierra 2500 DenaliMetallic 2026 GMC Sierra 2500 DenaliMetallic 2026 GMC Sierra 2500 DenaliMetallic 2026 GMC Sierra 2500 Denali

    $75,274

    Est. $1,371/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (10 mi)
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  • Downpour Metallic 2026 GMC Sierra 2500 DenaliDownpour Metallic 2026 GMC Sierra 2500 DenaliDownpour Metallic 2026 GMC Sierra 2500 DenaliDownpour Metallic 2026 GMC Sierra 2500 DenaliDownpour Metallic 2026 GMC Sierra 2500 DenaliDownpour Metallic 2026 GMC Sierra 2500 Denali

    $79,924

    MSRP $89,915

    Est. $1,456/mo

    Dave Sinclair Buick GMC

    4.9
    Check Availability
    Saint Louis, MO (24 mi)
    Quick view
  • Downpour Metallic 2026 GMC Sierra 2500 DenaliDownpour Metallic 2026 GMC Sierra 2500 DenaliDownpour Metallic 2026 GMC Sierra 2500 DenaliDownpour Metallic 2026 GMC Sierra 2500 DenaliDownpour Metallic 2026 GMC Sierra 2500 DenaliDownpour Metallic 2026 GMC Sierra 2500 Denali

    $79,924

    MSRP $89,915

    Est. $1,456/mo

    Dave Sinclair Buick GMC

    4.9
    Check Availability
    Saint Louis, MO (24 mi)
    Quick view
  • Summit White 2026 GMC Sierra 2500 DenaliSummit White 2026 GMC Sierra 2500 DenaliSummit White 2026 GMC Sierra 2500 DenaliSummit White 2026 GMC Sierra 2500 DenaliSummit White 2026 GMC Sierra 2500 DenaliSummit White 2026 GMC Sierra 2500 Denali

    $88,790

    $500

    MSRP $90,790

    Est. $1,617/mo

    Steve Schmitt, Inc.

    4.9
    Check Availability
    Highland, IL (23 mi)
    Quick view
  • Sterling Metallic 2026 GMC Sierra 2500 DenaliSterling Metallic 2026 GMC Sierra 2500 DenaliSterling Metallic 2026 GMC Sierra 2500 DenaliSterling Metallic 2026 GMC Sierra 2500 DenaliSterling Metallic 2026 GMC Sierra 2500 DenaliSterling Metallic 2026 GMC Sierra 2500 Denali

    $79,924

    Est. $1,456/mo

    Lou Fusz Buick GMC

    4.5
    Check Availability
    St. Louis, MO (19 mi)
    Quick view
  • Titanium Rush Metallic 2026 GMC Sierra 2500 DenaliTitanium Rush Metallic 2026 GMC Sierra 2500 DenaliTitanium Rush Metallic 2026 GMC Sierra 2500 DenaliTitanium Rush Metallic 2026 GMC Sierra 2500 DenaliTitanium Rush Metallic 2026 GMC Sierra 2500 DenaliTitanium Rush Metallic 2026 GMC Sierra 2500 Denali

    $82,410

    MSRP $91,410

    Est. $1,501/mo

    Suntrup Buick GMC

    3.8
    Check Availability
    Saint Peters, MO (26 mi)
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  • Onyx Black 2026 GMC Sierra 2500 DenaliOnyx Black 2026 GMC Sierra 2500 DenaliOnyx Black 2026 GMC Sierra 2500 DenaliOnyx Black 2026 GMC Sierra 2500 DenaliOnyx Black 2026 GMC Sierra 2500 DenaliOnyx Black 2026 GMC Sierra 2500 Denali

    $74,999

    $3.9K
    473 mi.
    Est. $1,366/mo

    Bill Kay Buick GMC

    4.4
    Check Availability
    $468 delivery from Downers Grove, IL (234 mi)
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  • Downpour Metallic 2026 GMC Sierra 2500 DenaliDownpour Metallic 2026 GMC Sierra 2500 Denali

    $81,500

    $8.9K

    MSRP $91,410

    Est. $1,485/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

Basics

Denali 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
FAQs

How much does the 2026 GMC Sierra 2500 Denali cost?

The 2026 GMC Sierra 2500 Denali price depends on optional features. Prices typically start at $75,200.

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

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


Trims

Denali (2 styles)

Style
4WD Crew Cab 159" Denali 4WD Crew Cab 172" Denali
Inventory price
Starting at $75,200 Starting at $75,400
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 by city

GMC Sierra 2500 trims