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  • Sterling Metallic 2026 GMC Sierra 2500 SLTSterling Metallic 2026 GMC Sierra 2500 SLTSterling Metallic 2026 GMC Sierra 2500 SLTSterling Metallic 2026 GMC Sierra 2500 SLTSterling Metallic 2026 GMC Sierra 2500 SLTSterling Metallic 2026 GMC Sierra 2500 SLT

    $75,365

    Est. $1,391/mo

    Driscoll Motor Co.

    4.7
    Check Availability
    Pontiac, IL (20 mi)
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  • Volcanic Red Tintcoat 2026 GMC Sierra 2500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 2500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 2500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 2500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 2500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 2500 AT4

    $81,993

    MSRP $90,060

    Est. $1,513/mo

    Greenway Autos

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    Morris, IL (20 mi)
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  • Sterling Metallic 2026 GMC Sierra 2500 AT4Sterling Metallic 2026 GMC Sierra 2500 AT4Sterling Metallic 2026 GMC Sierra 2500 AT4Sterling Metallic 2026 GMC Sierra 2500 AT4Sterling Metallic 2026 GMC Sierra 2500 AT4Sterling Metallic 2026 GMC Sierra 2500 AT4

    $82,900

    $5.9K
    Est. $1,530/mo

    Arnie Bauer Chevrolet GMC

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    Wilmington, IL (22 mi)
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  • Summit White 2026 GMC Sierra 2500 ProSummit White 2026 GMC Sierra 2500 ProSummit White 2026 GMC Sierra 2500 ProSummit White 2026 GMC Sierra 2500 ProSummit White 2026 GMC Sierra 2500 ProSummit White 2026 GMC Sierra 2500 Pro

    $55,783

    $3.8K

    MSRP $59,670

    Est. $1,030/mo

    Greenway Autos

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    Morris, IL (20 mi)
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  • Downpour Metallic 2026 GMC Sierra 2500 Denali Ultimate

    $97,180

    Est. $1,794/mo

    Arnie Bauer Chevrolet GMC

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    Wilmington, IL (22 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

    $93,133

    $3.9K
    Est. $1,719/mo

    Arnie Bauer Chevrolet GMC

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    Wilmington, IL (22 mi)
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  • Sterling Metallic 2026 GMC Sierra 2500 Denali Ultimate

    $93,133

    $3.9K
    Est. $1,719/mo

    Arnie Bauer Chevrolet GMC

    Check Availability
    Wilmington, IL (22 mi)
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  • Coastal Dune 2026 GMC Sierra 2500 AT4X

    $92,093

    $5.9K
    Est. $1,700/mo

    Arnie Bauer Chevrolet GMC

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    Wilmington, IL (22 mi)
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  • Summit White 2026 GMC Sierra 2500 AT4XSummit White 2026 GMC Sierra 2500 AT4XSummit White 2026 GMC Sierra 2500 AT4XSummit White 2026 GMC Sierra 2500 AT4XSummit White 2026 GMC Sierra 2500 AT4XSummit White 2026 GMC Sierra 2500 AT4X

    $92,618

    $4.9K
    Est. $1,709/mo

    Arnie Bauer Chevrolet GMC

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    Wilmington, IL (22 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

    $90,249

    $8.7K

    MSRP $98,985

    Est. $1,666/mo

    Greenway Autos

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    Morris, IL (20 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

    $91,436

    Est. $1,687/mo

    Laura Buick GMC

    4.5
    Check Availability
    $372 delivery from Collinsville, IL (186 mi)
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  • Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4

    $79,110

    Est. $1,460/mo

    Laura Buick GMC

    4.5
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    $372 delivery from Collinsville, IL (186 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

    $89,412

    MSRP $97,840

    Est. $1,650/mo

    Woody Buick GMC Naperville

    4.9
    Check Availability
    Naperville, IL (49 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

    $97,185

    Est. $1,794/mo

    Arnie Bauer Buick GMC of Matteson

    4.4
    Check Availability
    Matteson, IL (46 mi)
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  • Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4

    $81,500

    Est. $1,504/mo

    Shields Auto Mart

    5.0
    Check Availability
    Paxton, IL (47 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

    $92,767

    MSRP $98,185

    Est. $1,712/mo

    Jeff Perry Buick GMC

    4.8
    Check Availability
    Peru, IL (42 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

    $90,339

    Est. $1,667/mo

    Heller Chevrolet GMC

    4.3
    Check Availability
    El Paso, IL (41 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

    $90,912

    Est. $1,678/mo

    D'Arcy Buick GMC

    4.4
    Check Availability
    Joliet, IL (36 mi)
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  • Coastal Dune 2026 GMC Sierra 2500 AT4XCoastal Dune 2026 GMC Sierra 2500 AT4XCoastal Dune 2026 GMC Sierra 2500 AT4XCoastal Dune 2026 GMC Sierra 2500 AT4XCoastal Dune 2026 GMC Sierra 2500 AT4XCoastal Dune 2026 GMC Sierra 2500 AT4X

    $81,412

    MSRP $89,385

    Est. $1,502/mo

    Woody Buick GMC Naperville

    4.9
    Check Availability
    Naperville, IL (49 mi)
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  • Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4

    $81,900

    Est. $1,512/mo

    Arnie Bauer Buick GMC of Matteson

    4.4
    Check Availability
    Matteson, IL (46 mi)
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  • Summit White 2026 GMC Sierra 2500 SLESummit White 2026 GMC Sierra 2500 SLESummit White 2026 GMC Sierra 2500 SLESummit White 2026 GMC Sierra 2500 SLESummit White 2026 GMC Sierra 2500 SLESummit White 2026 GMC Sierra 2500 SLE

    $60,143

    MSRP $62,710

    Est. $1,110/mo

    Jeff Perry Buick GMC

    4.8
    Check Availability
    Peru, IL (42 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

    $94,139

    $1.8K
    Est. $1,737/mo

    Heller Chevrolet GMC

    4.3
    Check Availability
    El Paso, IL (41 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

    $83,700

    Est. $1,545/mo

    Shields Auto Mart

    5.0
    Check Availability
    Paxton, IL (47 mi)
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  • Summit White 2026 GMC Sierra 2500 ProSummit White 2026 GMC Sierra 2500 ProSummit White 2026 GMC Sierra 2500 ProSummit White 2026 GMC Sierra 2500 ProSummit White 2026 GMC Sierra 2500 ProSummit White 2026 GMC Sierra 2500 Pro

    $65,635

    Est. $1,211/mo

    D'Arcy Buick GMC

    4.4
    Check Availability
    Joliet, IL (36 mi)
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About the 2026 GMC Sierra 2500

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 2500
FAQs

How much does the 2026 GMC Sierra 2500 cost?

The 2026 GMC Sierra 2500 price depends on trim level and optional features. Prices typically start at $47,000 and go as high as $94,500 for fully loaded models.

Trims

AT4 (2 styles)

Style
4WD Crew Cab 159" AT4 4WD Crew Cab 172" AT4
Inventory price
Starting at $72,200 Starting at $72,400
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)

AT4X (1 style)

Style
4WD Crew Cab 159" AT4X
Inventory price
Starting at $85,200
Combined MPG
0
Engine
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 $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)

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)

Pro (10 styles)

Style
4WD Double Cab 162" Pro 4WD Double Cab 149" Pro 2WD Double Cab 149" Pro 2WD Double Cab 162" Pro 2WD Reg Cab 142" Pro 4WD Reg Cab 142" Pro 2WD Crew Cab 172" Pro 2WD Crew Cab 159" Pro 4WD Crew Cab 159" Pro 4WD Crew Cab 172" Pro
Inventory price
Starting at $51,900 Starting at $51,700 Starting at $48,900 Starting at $49,100 Starting at $47,000 Starting at $49,800 Starting at $50,900 Starting at $50,700 Starting at $53,500 Starting at $53,700
Combined MPG
0 0 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) 470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel)

SLE (5 styles)

Style
4WD Double Cab 162" SLE 4WD Double Cab 149" SLE 4WD Reg Cab 142" SLE 4WD Crew Cab 172" SLE 4WD Crew Cab 159" SLE
Inventory price
Starting at $56,300 Starting at $56,100 Starting at $54,000 Starting at $58,100 Starting at $57,900
Combined MPG
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)

SLT (2 styles)

Style
4WD Crew Cab 159" SLT 4WD Crew Cab 172" SLT
Inventory price
Starting at $65,200 Starting at $65,500
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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