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  • Metallic 2026 GMC Sierra 1500 Denali UltimateMetallic 2026 GMC Sierra 1500 Denali UltimateMetallic 2026 GMC Sierra 1500 Denali UltimateMetallic 2026 GMC Sierra 1500 Denali UltimateMetallic 2026 GMC Sierra 1500 Denali UltimateMetallic 2026 GMC Sierra 1500 Denali Ultimate

    $79,084

    Est. $1,459/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (28 mi)

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  • Glacier White 2026 GMC Sierra 1500 Denali UltimateGlacier White 2026 GMC Sierra 1500 Denali UltimateGlacier White 2026 GMC Sierra 1500 Denali UltimateGlacier White 2026 GMC Sierra 1500 Denali UltimateGlacier White 2026 GMC Sierra 1500 Denali UltimateGlacier White 2026 GMC Sierra 1500 Denali Ultimate

    $80,943

    Est. $1,494/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (28 mi)

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  • Glacier White Tricoat 2026 GMC Sierra 1500 Denali UltimateGlacier White Tricoat 2026 GMC Sierra 1500 Denali UltimateGlacier White Tricoat 2026 GMC Sierra 1500 Denali UltimateGlacier White Tricoat 2026 GMC Sierra 1500 Denali UltimateGlacier White Tricoat 2026 GMC Sierra 1500 Denali UltimateGlacier White Tricoat 2026 GMC Sierra 1500 Denali Ultimate

    $74,272

    $500

    MSRP $86,790

    Est. $1,371/mo

    Sapaugh GM Country

    4.8
    Check Availability
    Herculaneum, MO (18 mi)
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  • Glacier White 2026 GMC Sierra 1500 Denali UltimateGlacier White 2026 GMC Sierra 1500 Denali UltimateGlacier White 2026 GMC Sierra 1500 Denali UltimateGlacier White 2026 GMC Sierra 1500 Denali UltimateGlacier White 2026 GMC Sierra 1500 Denali UltimateGlacier White 2026 GMC Sierra 1500 Denali Ultimate

    $75,975

    MSRP $88,885

    Est. $1,402/mo

    Suntrup Buick GMC

    4.0
    Check Availability
    Saint Peters, MO (22 mi)
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  • Sterling Metallic 2026 GMC Sierra 1500 Denali UltimateSterling Metallic 2026 GMC Sierra 1500 Denali UltimateSterling Metallic 2026 GMC Sierra 1500 Denali UltimateSterling Metallic 2026 GMC Sierra 1500 Denali UltimateSterling Metallic 2026 GMC Sierra 1500 Denali UltimateSterling Metallic 2026 GMC Sierra 1500 Denali Ultimate

    $76,916

    MSRP $87,405

    Est. $1,419/mo

    Bob Brockland Buick GMC

    4.6
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    Columbia, IL (14 mi)
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  • Sterling 2026 GMC Sierra 1500 Denali UltimateSterling 2026 GMC Sierra 1500 Denali UltimateSterling 2026 GMC Sierra 1500 Denali UltimateSterling 2026 GMC Sierra 1500 Denali UltimateSterling 2026 GMC Sierra 1500 Denali UltimateSterling 2026 GMC Sierra 1500 Denali Ultimate

    $79,084

    Est. $1,459/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (28 mi)
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  • Dune 2026 GMC Sierra 1500 Denali UltimateDune 2026 GMC Sierra 1500 Denali UltimateDune 2026 GMC Sierra 1500 Denali UltimateDune 2026 GMC Sierra 1500 Denali UltimateDune 2026 GMC Sierra 1500 Denali UltimateDune 2026 GMC Sierra 1500 Denali Ultimate

    $80,412

    Est. $1,484/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (28 mi)
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  • Dune 2026 GMC Sierra 1500 Denali UltimateDune 2026 GMC Sierra 1500 Denali UltimateDune 2026 GMC Sierra 1500 Denali UltimateDune 2026 GMC Sierra 1500 Denali UltimateDune 2026 GMC Sierra 1500 Denali UltimateDune 2026 GMC Sierra 1500 Denali Ultimate

    $79,084

    Est. $1,459/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (28 mi)

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  • Downpour Metallic 2026 GMC Sierra 1500 Denali UltimateDownpour Metallic 2026 GMC Sierra 1500 Denali UltimateDownpour Metallic 2026 GMC Sierra 1500 Denali UltimateDownpour Metallic 2026 GMC Sierra 1500 Denali UltimateDownpour Metallic 2026 GMC Sierra 1500 Denali UltimateDownpour Metallic 2026 GMC Sierra 1500 Denali Ultimate

    $73,772

    $6.7K

    MSRP $87,805

    Est. $1,361/mo

    Dave Sinclair Buick GMC

    4.9
    Check Availability
    Saint Louis, MO (6 mi)
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  • Dune 2026 GMC Sierra 1500 Denali UltimateDune 2026 GMC Sierra 1500 Denali UltimateDune 2026 GMC Sierra 1500 Denali UltimateDune 2026 GMC Sierra 1500 Denali UltimateDune 2026 GMC Sierra 1500 Denali UltimateDune 2026 GMC Sierra 1500 Denali Ultimate

    $80,412

    Est. $1,484/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (28 mi)
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  • Dune 2026 GMC Sierra 1500 Denali UltimateDune 2026 GMC Sierra 1500 Denali UltimateDune 2026 GMC Sierra 1500 Denali UltimateDune 2026 GMC Sierra 1500 Denali UltimateDune 2026 GMC Sierra 1500 Denali UltimateDune 2026 GMC Sierra 1500 Denali Ultimate

    $80,412

    Est. $1,484/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (28 mi)
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  • Dune 2026 GMC Sierra 1500 Denali UltimateDune 2026 GMC Sierra 1500 Denali UltimateDune 2026 GMC Sierra 1500 Denali UltimateDune 2026 GMC Sierra 1500 Denali UltimateDune 2026 GMC Sierra 1500 Denali UltimateDune 2026 GMC Sierra 1500 Denali Ultimate

    $80,412

    Est. $1,484/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (28 mi)
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  • Metallic 2026 GMC Sierra 1500 Denali UltimateMetallic 2026 GMC Sierra 1500 Denali UltimateMetallic 2026 GMC Sierra 1500 Denali UltimateMetallic 2026 GMC Sierra 1500 Denali UltimateMetallic 2026 GMC Sierra 1500 Denali UltimateMetallic 2026 GMC Sierra 1500 Denali Ultimate

    $78,982

    Est. $1,458/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (28 mi)
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  • Onyx Black 2026 GMC Sierra 1500 Denali UltimateOnyx Black 2026 GMC Sierra 1500 Denali UltimateOnyx Black 2026 GMC Sierra 1500 Denali UltimateOnyx Black 2026 GMC Sierra 1500 Denali UltimateOnyx Black 2026 GMC Sierra 1500 Denali UltimateOnyx Black 2026 GMC Sierra 1500 Denali Ultimate

    $79,084

    Est. $1,459/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (28 mi)

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  • Metallic 2026 GMC Sierra 1500 Denali UltimateMetallic 2026 GMC Sierra 1500 Denali UltimateMetallic 2026 GMC Sierra 1500 Denali UltimateMetallic 2026 GMC Sierra 1500 Denali UltimateMetallic 2026 GMC Sierra 1500 Denali UltimateMetallic 2026 GMC Sierra 1500 Denali Ultimate

    $79,084

    Est. $1,459/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (28 mi)
    Quick view
  • Metallic 2026 GMC Sierra 1500 Denali UltimateMetallic 2026 GMC Sierra 1500 Denali UltimateMetallic 2026 GMC Sierra 1500 Denali UltimateMetallic 2026 GMC Sierra 1500 Denali UltimateMetallic 2026 GMC Sierra 1500 Denali UltimateMetallic 2026 GMC Sierra 1500 Denali Ultimate

    $78,982

    Est. $1,458/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (28 mi)
    Quick view
  • Metallic 2026 GMC Sierra 1500 Denali UltimateMetallic 2026 GMC Sierra 1500 Denali UltimateMetallic 2026 GMC Sierra 1500 Denali UltimateMetallic 2026 GMC Sierra 1500 Denali UltimateMetallic 2026 GMC Sierra 1500 Denali UltimateMetallic 2026 GMC Sierra 1500 Denali Ultimate

    $88,063

    Est. $1,625/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (28 mi)
    Quick view
  • Metallic 2026 GMC Sierra 1500 Denali UltimateMetallic 2026 GMC Sierra 1500 Denali UltimateMetallic 2026 GMC Sierra 1500 Denali UltimateMetallic 2026 GMC Sierra 1500 Denali UltimateMetallic 2026 GMC Sierra 1500 Denali UltimateMetallic 2026 GMC Sierra 1500 Denali Ultimate

    $80,412

    Est. $1,484/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (28 mi)
    Quick view
  • Glacier White 2026 GMC Sierra 1500 Denali UltimateGlacier White 2026 GMC Sierra 1500 Denali UltimateGlacier White 2026 GMC Sierra 1500 Denali UltimateGlacier White 2026 GMC Sierra 1500 Denali UltimateGlacier White 2026 GMC Sierra 1500 Denali UltimateGlacier White 2026 GMC Sierra 1500 Denali Ultimate

    $79,615

    Est. $1,469/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (28 mi)
    Quick view
  • Glacier White 2026 GMC Sierra 1500 Denali UltimateGlacier White 2026 GMC Sierra 1500 Denali UltimateGlacier White 2026 GMC Sierra 1500 Denali UltimateGlacier White 2026 GMC Sierra 1500 Denali UltimateGlacier White 2026 GMC Sierra 1500 Denali UltimateGlacier White 2026 GMC Sierra 1500 Denali Ultimate

    $79,615

    Est. $1,469/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (28 mi)

    Quick view
  • Glacier White 2026 GMC Sierra 1500 Denali UltimateGlacier White 2026 GMC Sierra 1500 Denali UltimateGlacier White 2026 GMC Sierra 1500 Denali UltimateGlacier White 2026 GMC Sierra 1500 Denali UltimateGlacier White 2026 GMC Sierra 1500 Denali UltimateGlacier White 2026 GMC Sierra 1500 Denali Ultimate

    $79,615

    Est. $1,469/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (28 mi)
    Quick view
  • Sterling 2026 GMC Sierra 1500 Denali UltimateSterling 2026 GMC Sierra 1500 Denali UltimateSterling 2026 GMC Sierra 1500 Denali UltimateSterling 2026 GMC Sierra 1500 Denali UltimateSterling 2026 GMC Sierra 1500 Denali UltimateSterling 2026 GMC Sierra 1500 Denali Ultimate

    $79,084

    Est. $1,459/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (28 mi)
    Quick view
  • Onyx Black 2026 GMC Sierra 1500 Denali UltimateOnyx Black 2026 GMC Sierra 1500 Denali UltimateOnyx Black 2026 GMC Sierra 1500 Denali UltimateOnyx Black 2026 GMC Sierra 1500 Denali UltimateOnyx Black 2026 GMC Sierra 1500 Denali UltimateOnyx Black 2026 GMC Sierra 1500 Denali Ultimate

    $76,662

    $2.2K

    MSRP $86,305

    Est. $1,415/mo

    Woody Buick GMC Naperville

    4.9
    Check Availability
    $299 delivery from Naperville, IL (256 mi)
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  • Onyx Black 2026 GMC Sierra 1500 Denali Ultimate

    $74,786

    MSRP $86,305

    Est. $1,380/mo

    VanGuard GMC

    4.9
    Check Availability
    $813 delivery from Sherman, TX (478 mi)
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About the 2026 GMC Sierra 1500 Denali Ultimate

Basics

Denali Ultimate shown.

Seating
5
Door count
4
Drivetrain
Four Wheel Drive
Combined MPG
16
Transmission
10-Speed A/T
Engine
420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel)
Side view of the 2026 GMC Sierra 1500 Denali Ultimate
FAQs

How much does the 2026 GMC Sierra 1500 Denali Ultimate cost?

The 2026 GMC Sierra 1500 Denali Ultimate price depends on optional features. Prices typically start at $84,400.

What is the MPG of the 2026 GMC Sierra 1500 Denali Ultimate?

The 2026 GMC Sierra 1500 Denali Ultimate offers up to 15 MPG in city driving and 19 MPG on the highway for a combined rating of 16 MPG.

These figures are based on EPA mileage ratings and are for comparison purposes only. The actual mileage will vary depending on the selected vehicle options, driving conditions, driving habits, vehicle maintenance, and other factors.

What are some similar vehicles and competitors of the 2026 GMC Sierra 1500 Denali Ultimate?

The 2026 GMC Sierra 1500 Denali Ultimate compares to and/or competes against the following vehicles:


Is the 2026 GMC Sierra 1500 Denali Ultimate reliable?

The 2026 GMC Sierra 1500 has an average reliability rating of 4.4 out of 5 according to Cars.com consumers. Find real-world reliability insights within consumer reviews from 2026 Sierra 1500 owners.

Ratings (5 reviews)

80% of drivers recommend this car

Rating breakdown (out of 5):
Comfort
4.2
Interior
4.2
Performance
4.4
Value
3.4
Exterior
4.4
Reliability
4.4
Trims

Denali Ultimate (1 style)

Style
4WD Crew Cab 147" Denali Ultimate
Inventory price
Starting at $84,400
Combined MPG
16
Engine
420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel)
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2026 GMC Sierra 1500 Denali Ultimate by city

GMC Sierra 1500 trims