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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

    $65,130

    Est. $1,188/mo

    O'Meara GMC

    3.1
    Check Availability
    Thornton, CO (17 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

    $73,414

    MSRP $73,815

    Est. $1,339/mo

    Weld County Garage GMC Hummer

    4.5
    Check Availability
    Greeley, CO (22 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

    $72,611

    MSRP $78,490

    Est. $1,325/mo

    Johnson Auto Plaza

    3.4
    Check Availability
    Brighton, CO (13 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

    $75,215

    Est. $1,372/mo

    Transwest GMC Denver

    4.8
    Check Availability
    Henderson, CO (17 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

    $74,720

    $4K
    Est. $1,363/mo

    Transwest GMC Denver

    4.8
    Check Availability
    Henderson, CO (17 mi)
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  • Sterling Metallic 2026 GMC Sierra 2500 SLESterling Metallic 2026 GMC Sierra 2500 SLESterling Metallic 2026 GMC Sierra 2500 SLESterling Metallic 2026 GMC Sierra 2500 SLESterling Metallic 2026 GMC Sierra 2500 SLESterling Metallic 2026 GMC Sierra 2500 SLE

    $75,215

    Est. $1,372/mo

    Transwest GMC Denver

    4.8
    Check Availability
    Henderson, CO (17 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

    $72,611

    MSRP $78,490

    Est. $1,325/mo

    Johnson Auto Plaza

    3.4
    Check Availability
    Brighton, CO (13 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

    $76,179

    MSRP $76,580

    Est. $1,390/mo

    Weld County Garage GMC Hummer

    4.5
    Check Availability
    Greeley, CO (22 mi)

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  • Sterling 2026 GMC Sierra 2500 SLESterling 2026 GMC Sierra 2500 SLESterling 2026 GMC Sierra 2500 SLESterling 2026 GMC Sierra 2500 SLESterling 2026 GMC Sierra 2500 SLESterling 2026 GMC Sierra 2500 SLE

    $76,037

    MSRP $79,685

    Est. $1,387/mo

    Johnson Auto Plaza

    3.4
    Check Availability
    Brighton, CO (13 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

    $75,577

    MSRP $79,190

    Est. $1,379/mo

    Johnson Auto Plaza

    3.4
    Check Availability
    Brighton, CO (13 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

    $75,577

    MSRP $79,190

    Est. $1,379/mo

    Johnson Auto Plaza

    3.4
    Check Availability
    Brighton, CO (13 mi)
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  • Sterling 2026 GMC Sierra 2500 SLESterling 2026 GMC Sierra 2500 SLESterling 2026 GMC Sierra 2500 SLESterling 2026 GMC Sierra 2500 SLESterling 2026 GMC Sierra 2500 SLESterling 2026 GMC Sierra 2500 SLE

    $76,037

    MSRP $79,685

    Est. $1,387/mo

    Johnson Auto Plaza

    3.4
    Check Availability
    Brighton, CO (13 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

    $63,330

    Est. $1,155/mo

    O'Meara GMC

    3.1
    Check Availability
    Thornton, CO (17 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

    $76,674

    MSRP $77,075

    Est. $1,399/mo

    Weld County Garage GMC Hummer

    4.5
    Check Availability
    Greeley, CO (22 mi)

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  • Sterling 2026 GMC Sierra 2500 SLESterling 2026 GMC Sierra 2500 SLESterling 2026 GMC Sierra 2500 SLESterling 2026 GMC Sierra 2500 SLESterling 2026 GMC Sierra 2500 SLESterling 2026 GMC Sierra 2500 SLE

    $76,037

    MSRP $79,685

    Est. $1,387/mo

    Johnson Auto Plaza

    3.4
    Check Availability
    Brighton, CO (13 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

    $910

    MSRP $77,420

    Est. $1,220/mo

    Loveland Buick GMC

    Check Availability
    Loveland, CO (23 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

    $66,880

    $910

    MSRP $77,380

    Est. $1,220/mo

    Loveland Buick GMC

    Check Availability
    Loveland, CO (23 mi)
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  • Sterling Metallic 2026 GMC Sierra 2500 SLESterling Metallic 2026 GMC Sierra 2500 SLESterling Metallic 2026 GMC Sierra 2500 SLESterling Metallic 2026 GMC Sierra 2500 SLESterling Metallic 2026 GMC Sierra 2500 SLESterling Metallic 2026 GMC Sierra 2500 SLE

    $64,925

    Est. $1,184/mo

    O'Meara GMC

    3.1
    Check Availability
    Thornton, CO (17 mi)
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  • Titanium Rush Metallic 2026 GMC Sierra 2500 SLETitanium Rush Metallic 2026 GMC Sierra 2500 SLETitanium Rush Metallic 2026 GMC Sierra 2500 SLETitanium Rush Metallic 2026 GMC Sierra 2500 SLETitanium Rush Metallic 2026 GMC Sierra 2500 SLETitanium Rush Metallic 2026 GMC Sierra 2500 SLE

    $62,494

    Est. $1,140/mo

    Laura Buick GMC

    4.6
    Check Availability
    $1,604 delivery from Collinsville, IL (802 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. $1,350/mo

    Weld County Garage GMC Hummer

    4.5
    Check Availability
    Greeley, CO (22 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

    $72,584

    Est. $1,324/mo

    Laura Buick GMC

    4.6
    Check Availability
    $1,604 delivery from Collinsville, IL (802 mi)
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  • Summit White 2026 GMC Sierra 2500 SLE

    $66,905

    Est. $1,221/mo

    Halladay GMC

    4.9
    Check Availability
    Cheyenne, WY (71 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

    $69,796

    MSRP $73,960

    Est. $1,273/mo

    AutoNation Buick GMC Park Meadows

    4.4
    Check Availability
    Lone Tree, CO (38 mi)
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  • Coastal Dune 2026 GMC Sierra 2500 SLE

    $81,335

    MSRP $81,335

    Est. $1,484/mo

    Markley Buick GMC

    4.9
    Check Availability
    Fort Collins, CO (31 mi)
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About the 2026 GMC Sierra 2500 SLE

Basics

SLE shown.

Seating
3
Door count
2
Drivetrain
Four 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 SLE
FAQs

How much does the 2026 GMC Sierra 2500 SLE cost?

The 2026 GMC Sierra 2500 SLE price depends on optional features. Prices typically start at $54,000.

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

The 2026 GMC Sierra 2500 SLE compares to and/or competes against the following vehicles:


Trims

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)
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2026 GMC Sierra 2500 SLE by city

GMC Sierra 2500 trims