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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

    $71,170

    $1K

    MSRP $73,170

    Est. $1,280/mo

    Lee GMC Truck Center

    4.4
    Check Availability
    Auburn, ME (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

    $71,620

    $1K

    MSRP $73,620

    Est. $1,288/mo

    Lee GMC Truck Center

    4.4
    Check Availability
    Auburn, ME (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

    $71,604

    $4K

    MSRP $66,050

    Est. $1,288/mo

    Bill Dodge GMC Buick

    4.5
    Check Availability
    Westbrook, ME (15 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

    $67,964

    $4K

    MSRP $62,410

    Est. $1,222/mo

    Bill Dodge GMC Buick

    4.5
    Check Availability
    Westbrook, ME (15 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

    $61,850

    $1K

    MSRP $63,850

    Est. $1,112/mo

    Lee GMC Truck Center

    4.4
    Check Availability
    Auburn, ME (18 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

    $71,665

    $1K

    MSRP $73,665

    Est. $1,289/mo

    Lee GMC Truck Center

    4.4
    Check Availability
    Auburn, ME (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

    $71,405

    $1K

    MSRP $73,405

    Est. $1,284/mo

    Lee GMC Truck Center

    4.4
    Check Availability
    Auburn, ME (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

    $68,634

    $4K

    MSRP $63,080

    Est. $1,235/mo

    Bill Dodge GMC Buick

    4.5
    Check Availability
    Westbrook, ME (15 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

    $71,455

    $1K

    MSRP $73,455

    Est. $1,285/mo

    Lee GMC Truck Center

    4.4
    Check Availability
    Auburn, ME (18 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

    $73,120

    $1K

    MSRP $75,120

    Est. $1,315/mo

    Lee GMC Truck Center

    4.4
    Check Availability
    Auburn, ME (18 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

    $61,755

    $1K

    MSRP $63,755

    Est. $1,111/mo

    Lee GMC Truck Center

    4.4
    Check Availability
    Auburn, ME (18 mi)
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  • Dune 2026 GMC Sierra 2500 SLEDune 2026 GMC Sierra 2500 SLEDune 2026 GMC Sierra 2500 SLEDune 2026 GMC Sierra 2500 SLEDune 2026 GMC Sierra 2500 SLEDune 2026 GMC Sierra 2500 SLE

    $71,565

    $1K

    MSRP $73,565

    Est. $1,287/mo

    Lee GMC Truck Center

    4.4
    Check Availability
    Auburn, ME (18 mi)
    Quick view
  • Titanium 2026 GMC Sierra 2500 SLETitanium 2026 GMC Sierra 2500 SLETitanium 2026 GMC Sierra 2500 SLETitanium 2026 GMC Sierra 2500 SLETitanium 2026 GMC Sierra 2500 SLETitanium 2026 GMC Sierra 2500 SLE

    $71,565

    $1K

    MSRP $73,565

    Est. $1,287/mo

    Lee GMC Truck Center

    4.4
    Check Availability
    Auburn, ME (18 mi)
    Quick view
  • 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

    $64,795

    $750

    MSRP $66,545

    Est. $1,165/mo

    Bill Dodge GMC Buick

    4.5
    Check Availability
    Westbrook, ME (15 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

    $69,042

    Est. $1,242/mo

    Al Piemonte Buick GMC

    4.5
    Check Availability
    $1,350 delivery from Elmhurst, IL (900 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

    $59,999

    247 mi.
    Est. $1,079/mo

    Key GMC of Rochester

    4.7
    Check Availability
    Rochester, NH (54 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

    $73,734

    MSRP $74,734

    Est. $1,326/mo

    Weirs Motor Sales, Inc.

    4.4
    Check Availability
    Arundel, ME (34 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

    $61,110

    $1K

    MSRP $63,610

    Est. $1,099/mo

    Ecodrive Chevrolet GMC of Gorham

    4.7
    Check Availability
    Gorham, NH (57 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

    $73,165

    $1K

    MSRP $75,665

    Est. $1,316/mo

    Ecodrive Chevrolet GMC of Gorham

    4.7
    Check Availability
    Gorham, NH (57 mi)
    Quick view
  • 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

    $73,734

    $1K

    MSRP $74,734

    Est. $1,326/mo

    Weirs Motor Sales, Inc.

    4.4
    Check Availability
    Arundel, ME (34 mi)
    Quick view
  • 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

    $62,155

    $1K

    MSRP $64,655

    Est. $1,118/mo

    Ecodrive Chevrolet GMC of Gorham

    4.7
    Check Availability
    Gorham, NH (57 mi)
    Quick view
  • 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

    $68,605

    MSRP $74,605

    Est. $1,234/mo

    Key GMC of Rochester

    4.7
    Check Availability
    Rochester, NH (54 mi)
    Quick view

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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