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  • Gray 2026 GMC Sierra 2500 DenaliGray 2026 GMC Sierra 2500 DenaliGray 2026 GMC Sierra 2500 DenaliGray 2026 GMC Sierra 2500 DenaliGray 2026 GMC Sierra 2500 DenaliGray 2026 GMC Sierra 2500 Denali

    $85,880

    Est. $1,570/mo

    Bob Brady Buick GMC

    4.9
    Check Availability
    Forsyth, IL (30 mi)
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  • Volcanic Red 2026 GMC Sierra 2500 SLTVolcanic Red 2026 GMC Sierra 2500 SLTVolcanic Red 2026 GMC Sierra 2500 SLTVolcanic Red 2026 GMC Sierra 2500 SLTVolcanic Red 2026 GMC Sierra 2500 SLTVolcanic Red 2026 GMC Sierra 2500 SLT

    $73,706

    $1.3K

    MSRP $82,085

    Est. $1,348/mo

    KC Summers Auto Group

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    Mattoon, IL (18 mi)
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  • White 2026 GMC Sierra 2500 Denali UltimateWhite 2026 GMC Sierra 2500 Denali UltimateWhite 2026 GMC Sierra 2500 Denali UltimateWhite 2026 GMC Sierra 2500 Denali UltimateWhite 2026 GMC Sierra 2500 Denali UltimateWhite 2026 GMC Sierra 2500 Denali Ultimate

    $94,295

    Est. $1,724/mo

    Bob Brady Buick GMC

    4.9
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    Forsyth, IL (30 mi)
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  • Sterling 2026 GMC Sierra 2500 SLTSterling 2026 GMC Sierra 2500 SLTSterling 2026 GMC Sierra 2500 SLTSterling 2026 GMC Sierra 2500 SLTSterling 2026 GMC Sierra 2500 SLTSterling 2026 GMC Sierra 2500 SLT

    $74,872

    $1.3K

    MSRP $83,420

    Est. $1,369/mo

    KC Summers Auto Group

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    Mattoon, IL (18 mi)
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  • Cardinal Red 2026 GMC Sierra 2500 SLECardinal Red 2026 GMC Sierra 2500 SLECardinal Red 2026 GMC Sierra 2500 SLECardinal Red 2026 GMC Sierra 2500 SLECardinal Red 2026 GMC Sierra 2500 SLECardinal Red 2026 GMC Sierra 2500 SLE

    $67,706

    $1.3K

    MSRP $75,425

    Est. $1,238/mo

    KC Summers Auto Group

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    Mattoon, IL (18 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

    $67,273

    $1.3K

    MSRP $74,930

    Est. $1,230/mo

    KC Summers Auto Group

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    Mattoon, IL (18 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

    $84,867

    $5.4K

    MSRP $84,867

    Est. $1,552/mo

    Jackson Chevrolet GMC

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    Sullivan, IL (11 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

    $91,955

    MSRP $91,955

    Est. $1,681/mo

    Jackson Chevrolet GMC

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    Sullivan, IL (11 mi)
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  • Onyx Black 2026 GMC Sierra 2500 SLTOnyx Black 2026 GMC Sierra 2500 SLTOnyx Black 2026 GMC Sierra 2500 SLTOnyx Black 2026 GMC Sierra 2500 SLTOnyx Black 2026 GMC Sierra 2500 SLTOnyx Black 2026 GMC Sierra 2500 SLT

    $75,619

    $1.3K

    MSRP $84,275

    Est. $1,383/mo

    KC Summers Auto Group

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    Mattoon, IL (18 mi)
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  • Summit White 2026 GMC Sierra 2500 SLTSummit White 2026 GMC Sierra 2500 SLTSummit White 2026 GMC Sierra 2500 SLTSummit White 2026 GMC Sierra 2500 SLTSummit White 2026 GMC Sierra 2500 SLTSummit White 2026 GMC Sierra 2500 SLT

    $74,440

    $1.3K

    MSRP $82,925

    Est. $1,361/mo

    KC Summers Auto Group

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    Mattoon, IL (18 mi)
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  • Sterling 2026 GMC Sierra 2500 SLTSterling 2026 GMC Sierra 2500 SLTSterling 2026 GMC Sierra 2500 SLTSterling 2026 GMC Sierra 2500 SLTSterling 2026 GMC Sierra 2500 SLTSterling 2026 GMC Sierra 2500 SLT

    $73,575

    $1.3K

    MSRP $81,935

    Est. $1,345/mo

    KC Summers Auto Group

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    Mattoon, IL (18 mi)
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  • Glacier White 2026 GMC Sierra 2500 SLTGlacier White 2026 GMC Sierra 2500 SLTGlacier White 2026 GMC Sierra 2500 SLTGlacier White 2026 GMC Sierra 2500 SLTGlacier White 2026 GMC Sierra 2500 SLTGlacier White 2026 GMC Sierra 2500 SLT

    $76,143

    $1.3K

    MSRP $84,875

    Est. $1,392/mo

    KC Summers Auto Group

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    Mattoon, IL (18 mi)
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  • Titanium Rush Metallic 2026 GMC Sierra 2500 SLTTitanium Rush Metallic 2026 GMC Sierra 2500 SLTTitanium Rush Metallic 2026 GMC Sierra 2500 SLTTitanium Rush Metallic 2026 GMC Sierra 2500 SLTTitanium Rush Metallic 2026 GMC Sierra 2500 SLTTitanium Rush Metallic 2026 GMC Sierra 2500 SLT

    $74,872

    $1.3K

    MSRP $83,420

    Est. $1,369/mo

    KC Summers Auto Group

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    Mattoon, IL (18 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

    $62,767

    $1.3K

    MSRP $69,310

    Est. $1,148/mo

    KC Summers Auto Group

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    Mattoon, IL (18 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

    $52,195

    $4.2K

    MSRP $52,195

    Est. $954/mo

    Jackson Chevrolet GMC

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    Sullivan, IL (11 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

    $100,506

    Est. $1,838/mo

    Laura Buick GMC

    4.5
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    $216 delivery from Collinsville, IL (109 mi)
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  • Sterling 2026 GMC Sierra 2500 SLTSterling 2026 GMC Sierra 2500 SLTSterling 2026 GMC Sierra 2500 SLTSterling 2026 GMC Sierra 2500 SLTSterling 2026 GMC Sierra 2500 SLTSterling 2026 GMC Sierra 2500 SLT

    $74,410

    Est. $1,361/mo

    Laura Buick GMC

    4.5
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    $216 delivery from Collinsville, IL (109 mi)
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  • Black 2026 GMC Sierra 2500 Denali UltimateBlack 2026 GMC Sierra 2500 Denali UltimateBlack 2026 GMC Sierra 2500 Denali UltimateBlack 2026 GMC Sierra 2500 Denali UltimateBlack 2026 GMC Sierra 2500 Denali UltimateBlack 2026 GMC Sierra 2500 Denali Ultimate

    $88,998

    3,231 mi.
    Est. $1,627/mo

    CarMax Springfield

    4.7
    Check Availability
    Springfield, IL (66 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

    $82,407

    $495
    8,393 mi.
    Est. $1,507/mo

    Leman's Chevy City

    4.5
    Check Availability
    Bloomington, IL (59 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

    $89,098

    $485

    MSRP $98,185

    Est. $1,629/mo

    Barker Motor Company

    4.8
    Check Availability
    Bloomington, IL (59 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

    $83,525

    Est. $1,527/mo

    Shields Auto Mart

    5.0
    Check Availability
    Paxton, IL (56 mi)
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  • Volcanic Red Tintcoat 2026 GMC Sierra 2500 SLTVolcanic Red Tintcoat 2026 GMC Sierra 2500 SLTVolcanic Red Tintcoat 2026 GMC Sierra 2500 SLTVolcanic Red Tintcoat 2026 GMC Sierra 2500 SLTVolcanic Red Tintcoat 2026 GMC Sierra 2500 SLTVolcanic Red Tintcoat 2026 GMC Sierra 2500 SLT

    $68,890

    $3.5K

    MSRP $73,460

    Est. $1,260/mo

    Steve Schmitt of Litchfield

    4.6
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    Litchfield, IL (75 mi)
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  • Volcanic Red 2026 GMC Sierra 2500 SLTVolcanic Red 2026 GMC Sierra 2500 SLTVolcanic Red 2026 GMC Sierra 2500 SLTVolcanic Red 2026 GMC Sierra 2500 SLTVolcanic Red 2026 GMC Sierra 2500 SLTVolcanic Red 2026 GMC Sierra 2500 SLT

    $69,550

    MSRP $70,795

    Est. $1,272/mo

    Hosick GMC

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    Vandalia, IL (61 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

    $80,232

    MSRP $88,215

    Est. $1,467/mo

    Barker Motor Company

    4.8
    Check Availability
    Bloomington, IL (59 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

    $82,325

    Est. $1,505/mo

    Shields Auto Mart

    5.0
    Check Availability
    Paxton, IL (56 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

    $90,198

    MSRP $90,410

    Est. $1,649/mo

    Pilson GMC

    5.0
    Check Availability
    Clinton, IN (56 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

    $75,590

    MSRP $76,590

    Est. $1,382/mo

    Steve Schmitt of Litchfield

    4.6
    Check Availability
    Litchfield, IL (75 mi)
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  • Onyx Black 2026 GMC Sierra 2500 Denali Ultimate

    $98,035

    MSRP $98,035

    Est. $1,793/mo

    Vermilion Chevrolet GMC

    4.2
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    Tilton, IL (52 mi)
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  • Onyx Black 2026 GMC Sierra 2500 SLEOnyx Black 2026 GMC Sierra 2500 SLEOnyx Black 2026 GMC Sierra 2500 SLEOnyx Black 2026 GMC Sierra 2500 SLEOnyx Black 2026 GMC Sierra 2500 SLEOnyx Black 2026 GMC Sierra 2500 SLE

    $61,103

    MSRP $66,855

    Est. $1,117/mo

    Barker Motor Company

    4.8
    Check Availability
    Bloomington, IL (59 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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