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  • White 2026 GMC Sierra 2500 AT4White 2026 GMC Sierra 2500 AT4White 2026 GMC Sierra 2500 AT4White 2026 GMC Sierra 2500 AT4White 2026 GMC Sierra 2500 AT4White 2026 GMC Sierra 2500 AT4

    $78,595

    $1.4K
    7,656 mi.
    Est. $1,453/mo

    Weld County Garage GMC Hummer

    4.5
    Check Availability
    Greeley, CO (3 mi)

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  • Tan 2026 GMC Sierra 2500 AT4Tan 2026 GMC Sierra 2500 AT4Tan 2026 GMC Sierra 2500 AT4Tan 2026 GMC Sierra 2500 AT4Tan 2026 GMC Sierra 2500 AT4Tan 2026 GMC Sierra 2500 AT4

    $84,487

    $7.4K

    MSRP $92,320

    Est. $1,561/mo

    Weld County Garage GMC Hummer

    4.5
    Check Availability
    Greeley, CO (3 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

    $57,990

    MSRP $67,290

    Est. $1,072/mo

    Loveland Buick GMC

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    Loveland, CO (16 mi)
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  • White 2026 GMC Sierra 2500 ProWhite 2026 GMC Sierra 2500 ProWhite 2026 GMC Sierra 2500 ProWhite 2026 GMC Sierra 2500 ProWhite 2026 GMC Sierra 2500 ProWhite 2026 GMC Sierra 2500 Pro

    $68,739

    MSRP $69,140

    Est. $1,270/mo

    Weld County Garage GMC Hummer

    4.5
    Check Availability
    Greeley, CO (3 mi)
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  • White 2026 GMC Sierra 2500 SLEWhite 2026 GMC Sierra 2500 SLEWhite 2026 GMC Sierra 2500 SLEWhite 2026 GMC Sierra 2500 SLEWhite 2026 GMC Sierra 2500 SLEWhite 2026 GMC Sierra 2500 SLE

    $73,999

    MSRP $74,400

    Est. $1,368/mo

    Weld County Garage GMC Hummer

    4.5
    Check Availability
    Greeley, CO (3 mi)
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  • Coastal Dune 2026 GMC Sierra 2500 SLECoastal Dune 2026 GMC Sierra 2500 SLECoastal Dune 2026 GMC Sierra 2500 SLECoastal Dune 2026 GMC Sierra 2500 SLECoastal Dune 2026 GMC Sierra 2500 SLECoastal Dune 2026 GMC Sierra 2500 SLE

    $81,335

    MSRP $81,335

    Est. $1,503/mo

    Markley Buick GMC

    4.9
    Check Availability
    Fort Collins, CO (23 mi)
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  • Onyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4X

    $97,755

    MSRP $97,755

    Est. $1,807/mo

    Markley Buick GMC

    4.9
    Check Availability
    Fort Collins, CO (23 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

    $97,634

    $401

    MSRP $98,035

    Est. $1,804/mo

    Weld County Garage GMC Hummer

    4.5
    Check Availability
    Greeley, CO (3 mi)
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  • White 2026 GMC Sierra 2500 SLTWhite 2026 GMC Sierra 2500 SLTWhite 2026 GMC Sierra 2500 SLTWhite 2026 GMC Sierra 2500 SLTWhite 2026 GMC Sierra 2500 SLTWhite 2026 GMC Sierra 2500 SLT

    $77,599

    $500

    MSRP $84,415

    Est. $1,434/mo

    Weld County Garage GMC Hummer

    4.5
    Check Availability
    Greeley, CO (3 mi)
    Quick view
  • White 2026 GMC Sierra 2500 DenaliWhite 2026 GMC Sierra 2500 DenaliWhite 2026 GMC Sierra 2500 DenaliWhite 2026 GMC Sierra 2500 DenaliWhite 2026 GMC Sierra 2500 DenaliWhite 2026 GMC Sierra 2500 Denali

    $86,043

    $3K

    MSRP $93,660

    Est. $1,590/mo

    Weld County Garage GMC Hummer

    4.5
    Check Availability
    Greeley, CO (3 mi)
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  • Black 2026 GMC Sierra 2500 AT4XBlack 2026 GMC Sierra 2500 AT4XBlack 2026 GMC Sierra 2500 AT4XBlack 2026 GMC Sierra 2500 AT4XBlack 2026 GMC Sierra 2500 AT4XBlack 2026 GMC Sierra 2500 AT4X

    $99,524

    MSRP $99,925

    Est. $1,839/mo

    Weld County Garage GMC Hummer

    4.5
    Check Availability
    Greeley, CO (3 mi)
    Quick view
  • 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

    $100,368

    MSRP $100,769

    Est. $1,855/mo

    Weld County Garage GMC Hummer

    4.5
    Check Availability
    Greeley, CO (3 mi)
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  • Tan 2026 GMC Sierra 2500 AT4XTan 2026 GMC Sierra 2500 AT4XTan 2026 GMC Sierra 2500 AT4XTan 2026 GMC Sierra 2500 AT4XTan 2026 GMC Sierra 2500 AT4XTan 2026 GMC Sierra 2500 AT4X

    $93,098

    $6.4K

    MSRP $99,925

    Est. $1,721/mo

    Weld County Garage GMC Hummer

    4.5
    Check Availability
    Greeley, CO (3 mi)
    Quick view
  • Tan 2026 GMC Sierra 2500 AT4Tan 2026 GMC Sierra 2500 AT4Tan 2026 GMC Sierra 2500 AT4Tan 2026 GMC Sierra 2500 AT4Tan 2026 GMC Sierra 2500 AT4Tan 2026 GMC Sierra 2500 AT4

    $82,399

    $2.7K

    MSRP $90,055

    Est. $1,523/mo

    Weld County Garage GMC Hummer

    4.5
    Check Availability
    Greeley, CO (3 mi)
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  • Gray 2026 GMC Sierra 2500 SLTGray 2026 GMC Sierra 2500 SLTGray 2026 GMC Sierra 2500 SLTGray 2026 GMC Sierra 2500 SLTGray 2026 GMC Sierra 2500 SLTGray 2026 GMC Sierra 2500 SLT

    $84,509

    MSRP $84,910

    Est. $1,562/mo

    Weld County Garage GMC Hummer

    4.5
    Check Availability
    Greeley, CO (3 mi)
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  • Gray 2026 GMC Sierra 2500 SLEGray 2026 GMC Sierra 2500 SLEGray 2026 GMC Sierra 2500 SLEGray 2026 GMC Sierra 2500 SLEGray 2026 GMC Sierra 2500 SLEGray 2026 GMC Sierra 2500 SLE

    $70,298

    MSRP $77,075

    Est. $1,299/mo

    Weld County Garage GMC Hummer

    4.5
    Check Availability
    Greeley, CO (3 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

    $99,768

    MSRP $100,169

    Est. $1,844/mo

    Weld County Garage GMC Hummer

    4.5
    Check Availability
    Greeley, CO (3 mi)
    Quick view
  • 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

    $66,880

    MSRP $77,420

    Est. $1,236/mo

    Loveland Buick GMC

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    Loveland, CO (16 mi)
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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

    $85,399

    MSRP $93,000

    Est. $1,578/mo

    Weld County Garage GMC Hummer

    4.5
    Check Availability
    Greeley, CO (3 mi)
    Quick view
  • 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

    $92,390

    $2.6K
    8,850 mi.
    Est. $1,707/mo

    Weld County Garage GMC Hummer

    4.5
    Check Availability
    Greeley, CO (3 mi)
    Quick view
  • Gray 2026 GMC Sierra 2500 Denali UltimateGray 2026 GMC Sierra 2500 Denali UltimateGray 2026 GMC Sierra 2500 Denali UltimateGray 2026 GMC Sierra 2500 Denali UltimateGray 2026 GMC Sierra 2500 Denali UltimateGray 2026 GMC Sierra 2500 Denali Ultimate

    $99,534

    MSRP $99,935

    Est. $1,840/mo

    Weld County Garage GMC Hummer

    4.5
    Check Availability
    Greeley, CO (3 mi)
    Quick view
  • 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

    $90,985

    MSRP $91,985

    Est. $1,682/mo

    Loveland Buick GMC

    Check Availability
    Loveland, CO (16 mi)
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  • White 2026 GMC Sierra 2500 ProWhite 2026 GMC Sierra 2500 ProWhite 2026 GMC Sierra 2500 ProWhite 2026 GMC Sierra 2500 ProWhite 2026 GMC Sierra 2500 ProWhite 2026 GMC Sierra 2500 Pro

    $56,949

    MSRP $57,350

    Est. $1,052/mo

    Weld County Garage GMC Hummer

    4.5
    Check Availability
    Greeley, CO (3 mi)
    Quick view
  • 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

    $84,414

    $1K
    Est. $1,560/mo

    Laura Buick GMC

    4.6
    Check Availability
    $1,583 delivery from Collinsville, IL (792 mi)
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  • Gray 2026 GMC Sierra 2500 Denali UltimateGray 2026 GMC Sierra 2500 Denali UltimateGray 2026 GMC Sierra 2500 Denali UltimateGray 2026 GMC Sierra 2500 Denali UltimateGray 2026 GMC Sierra 2500 Denali UltimateGray 2026 GMC Sierra 2500 Denali Ultimate

    $91,998

    $4K
    517 mi.
    Est. $1,700/mo

    CarMax Miami (International Mall)

    Check Availability
    $1,499 delivery to Loveland, CO (16 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.

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

The 2026 GMC Sierra 2500 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 $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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