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  • Onyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 Denali

    $73,821

    $500
    Est. $1,384/mo

    Circle Buick GMC

    3.6
    Check Availability
    Highland, IN (13 mi)

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  • Onyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 Denali

    $100,401

    Est. $1,883/mo

    D'Arcy Buick GMC

    4.3
    Check Availability
    Joliet, IL (25 mi)

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  • Glacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 Denali

    $82,297

    MSRP $92,560

    Est. $1,543/mo

    Zeigler Buick GMC of Lincolnwood

    4.3
    Check Availability
    Lincolnwood, IL (29 mi)
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  • Summit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLE

    $57,026

    $500

    MSRP $63,965

    Est. $1,069/mo

    Castle Buick GMC

    3.8
    Check Availability
    North Riverside, IL (19 mi)
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  • Summit White 2026 GMC Sierra 3500 DenaliSummit White 2026 GMC Sierra 3500 DenaliSummit White 2026 GMC Sierra 3500 DenaliSummit White 2026 GMC Sierra 3500 DenaliSummit White 2026 GMC Sierra 3500 DenaliSummit White 2026 GMC Sierra 3500 Denali

    $88,465

    MSRP $95,965

    Est. $1,659/mo

    Schepel Buick-GMC

    4.9
    Check Availability
    Merrillville, IN (19 mi)
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  • Onyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 Denali

    $104,885

    MSRP $105,885

    Est. $1,967/mo

    Woody Buick GMC Naperville

    4.9
    Check Availability
    Naperville, IL (29 mi)
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  • Summit White 2026 GMC Sierra 3500 DenaliSummit White 2026 GMC Sierra 3500 Denali

    $94,045

    $500

    MSRP $95,045

    Est. $1,764/mo

    Woody Buick GMC Naperville

    4.9
    Check Availability
    Naperville, IL (29 mi)
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  • Titanium Rush Metallic 2026 GMC Sierra 3500 DenaliTitanium Rush Metallic 2026 GMC Sierra 3500 DenaliTitanium Rush Metallic 2026 GMC Sierra 3500 DenaliTitanium Rush Metallic 2026 GMC Sierra 3500 DenaliTitanium Rush Metallic 2026 GMC Sierra 3500 DenaliTitanium Rush Metallic 2026 GMC Sierra 3500 Denali

    $100,401

    Est. $1,883/mo

    D'Arcy Buick GMC

    4.3
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    Joliet, IL (25 mi)

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  • Titanium Rush Metallic 2026 GMC Sierra 3500 DenaliTitanium Rush Metallic 2026 GMC Sierra 3500 DenaliTitanium Rush Metallic 2026 GMC Sierra 3500 DenaliTitanium Rush Metallic 2026 GMC Sierra 3500 DenaliTitanium Rush Metallic 2026 GMC Sierra 3500 DenaliTitanium Rush Metallic 2026 GMC Sierra 3500 Denali

    $85,117

    Est. $1,596/mo

    D'Arcy Buick GMC

    4.3
    Check Availability
    Joliet, IL (25 mi)
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  • Summit White 2026 GMC Sierra 3500 BaseSummit White 2026 GMC Sierra 3500 BaseSummit White 2026 GMC Sierra 3500 BaseSummit White 2026 GMC Sierra 3500 BaseSummit White 2026 GMC Sierra 3500 BaseSummit White 2026 GMC Sierra 3500 Base

    $70,111

    $500

    MSRP $73,904

    Est. $1,315/mo

    Castle Buick GMC

    3.8
    Check Availability
    North Riverside, IL (19 mi)
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  • Sterling 2026 GMC Sierra 3500 DenaliSterling 2026 GMC Sierra 3500 DenaliSterling 2026 GMC Sierra 3500 DenaliSterling 2026 GMC Sierra 3500 DenaliSterling 2026 GMC Sierra 3500 DenaliSterling 2026 GMC Sierra 3500 Denali

    $73,821

    $500
    Est. $1,384/mo

    Circle Buick GMC

    3.6
    Check Availability
    Highland, IN (13 mi)
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  • Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4

    $79,900

    3,409 mi.
    Est. $1,498/mo

    Arnie Bauer Buick GMC of Matteson

    4.3
    Check Availability
    Matteson, IL (8 mi)
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  • Summit White 2026 GMC Sierra 3500 SLE

    $71,181

    $500

    MSRP $79,210

    Est. $1,335/mo

    Castle Buick GMC

    3.8
    Check Availability
    North Riverside, IL (19 mi)
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  • Onyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 Denali

    $73,821

    $500
    Est. $1,384/mo

    Circle Buick GMC

    3.6
    Check Availability
    Highland, IN (13 mi)

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  • Onyx Black 2026 GMC Sierra 3500 SLT

    $71,500

    $7.3K

    MSRP $79,820

    Est. $1,341/mo

    Woody Buick GMC Naperville

    4.9
    Check Availability
    Naperville, IL (29 mi)
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  • $57,336

    Est. $1,075/mo

    D'Arcy Buick GMC

    4.3
    Check Availability
    Joliet, IL (25 mi)
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  • Glacier White 2026 GMC Sierra 3500 DenaliGlacier White 2026 GMC Sierra 3500 DenaliGlacier White 2026 GMC Sierra 3500 DenaliGlacier White 2026 GMC Sierra 3500 DenaliGlacier White 2026 GMC Sierra 3500 DenaliGlacier White 2026 GMC Sierra 3500 Denali

    $86,507

    $3K
    Est. $1,622/mo

    Laura Buick GMC

    4.6
    Check Availability
    $471 delivery from Collinsville, IL (236 mi)
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  • Summit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLE

    $69,132

    $3.5K
    Est. $1,296/mo

    Laura Buick GMC

    4.6
    Check Availability
    $471 delivery from Collinsville, IL (236 mi)
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  • Summit White 2026 GMC Sierra 3500 SLE

    $62,980

    $500

    MSRP $63,350

    Est. $1,181/mo

    Napleton's Schaumburg Buick GMC

    4.1
    Check Availability
    Schaumburg, IL (38 mi)
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  • Glacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 Denali

    $83,384

    $500

    MSRP $93,760

    Est. $1,564/mo

    Currie Motors Buick GMC

    4.9
    Check Availability
    Valparaiso, IN (34 mi)
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  • Summit White 2026 GMC Sierra 3500 SLTSummit White 2026 GMC Sierra 3500 SLTSummit White 2026 GMC Sierra 3500 SLTSummit White 2026 GMC Sierra 3500 SLTSummit White 2026 GMC Sierra 3500 SLTSummit White 2026 GMC Sierra 3500 SLT

    $73,381

    $3.5K

    MSRP $85,430

    Est. $1,376/mo

    Currie Motors Buick GMC

    4.9
    Check Availability
    Valparaiso, IN (34 mi)
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  • Summit White 2026 GMC Sierra 3500 Base

    $57,753

    MSRP $57,123

    Est. $1,083/mo

    Napleton's Schaumburg Buick GMC

    4.1
    Check Availability
    Schaumburg, IL (38 mi)
    Quick view
  • Summit White 2026 GMC Sierra 3500 SLT

    Not Priced

    Est. $0/mo

    Napleton's Schaumburg Buick GMC

    4.1
    Check Availability
    Schaumburg, IL (38 mi)
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About the 2026 GMC Sierra 3500

Basics

Pro shown (base trim).

Seating
2
Door count
2
Drivetrain
Rear-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 3500
FAQs

How much does the 2026 GMC Sierra 3500 cost?

The 2026 GMC Sierra 3500 price depends on trim level and optional features. Prices typically start at $48,200 and go as high as $97,800 for fully loaded models.

What are some similar vehicles and competitors of the 2026 GMC Sierra 3500?

The 2026 GMC Sierra 3500 compares to and/or competes against the following vehicles:


Trims

AT4 (2 styles)

Style
4WD Crew Cab 159" AT4 4WD Crew Cab 172" AT4
Inventory price
Starting at $73,400 Starting at $73,600
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)

Denali (2 styles)

Style
4WD Crew Cab 159" Denali 4WD Crew Cab 172" Denali
Inventory price
Starting at $76,300 Starting at $76,500
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)

Denali Ultimate (2 styles)

Style
4WD Crew Cab 172" Denali Ultimate 4WD Crew Cab 159" Denali Ultimate
Inventory price
Starting at $97,800 Starting at $97,600
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)

Pro (8 styles)

Style
4WD Double Cab 162" Pro 2WD Double Cab 162" Pro 2WD Crew Cab 172" Pro 4WD Crew Cab 172" Pro 2WD Crew Cab 159" Pro 4WD Crew Cab 159" Pro 4WD Reg Cab 142" Pro 2WD Reg Cab 142" Pro
Inventory price
Starting at $53,100 Starting at $50,300 Starting at $52,100 Starting at $54,900 Starting at $51,900 Starting at $54,700 Starting at $51,000 Starting at $48,200
Combined MPG
0 0 0 0 0 0 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) 470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel)

SLE (4 styles)

Style
4WD Reg Cab 142" SLE 4WD Double Cab 162" SLE 4WD Crew Cab 172" SLE 4WD Crew Cab 159" SLE
Inventory price
Starting at $55,200 Starting at $57,500 Starting at $59,300 Starting at $59,100
Combined MPG
0 0 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) 470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel)

SLT (2 styles)

Style
4WD Crew Cab 172" SLT 4WD Crew Cab 159" SLT
Inventory price
Starting at $66,600 Starting at $66,400
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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