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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

    $58,560

    $1K
    Est. $1,078/mo

    Handy Cadillac Buick GMC

    4.0
    Check Availability
    Saint Albans, VT (30 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

    $64,310

    MSRP $65,310

    Est. $1,184/mo

    Brennan Buick GMC

    4.2
    Check Availability
    Plattsburgh, NY (13 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

    $64,805

    MSRP $65,805

    Est. $1,193/mo

    Brennan Buick GMC

    4.2
    Check Availability
    Plattsburgh, NY (13 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

    $60,235

    $1.5K

    MSRP $65,235

    Est. $1,109/mo

    Brennan Buick GMC

    4.2
    Check Availability
    Plattsburgh, NY (13 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

    $64,805

    MSRP $65,805

    Est. $1,193/mo

    Brennan Buick GMC

    4.2
    Check Availability
    Plattsburgh, NY (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

    $59,750

    $2K

    MSRP $65,750

    Est. $1,100/mo

    Brennan Buick GMC

    4.2
    Check Availability
    Plattsburgh, NY (13 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

    $58,235

    $2K

    MSRP $65,235

    Est. $1,072/mo

    Brennan Buick GMC

    4.2
    Check Availability
    Plattsburgh, NY (13 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

    $64,305

    $500

    MSRP $65,805

    Est. $1,184/mo

    Brennan Buick GMC

    4.2
    Check Availability
    Plattsburgh, NY (13 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

    $64,305

    $500

    MSRP $65,805

    Est. $1,184/mo

    Brennan Buick GMC

    4.2
    Check Availability
    Plattsburgh, NY (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

    $61,810

    $2K

    MSRP $65,310

    Est. $1,138/mo

    Brennan Buick GMC

    4.2
    Check Availability
    Plattsburgh, NY (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

    $63,810

    $500

    MSRP $65,310

    Est. $1,175/mo

    Brennan Buick GMC

    4.2
    Check Availability
    Plattsburgh, NY (13 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

    $69,435

    MSRP $76,435

    Est. $1,279/mo

    Key Chevrolet GMC Cadillac of Burlington

    1.6
    Check Availability
    South Burlington, VT (14 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

    $69,435

    MSRP $76,435

    Est. $1,279/mo

    Key Chevrolet GMC Cadillac of Burlington

    1.6
    Check Availability
    South Burlington, VT (14 mi)
    Quick view
  • 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

    $64,305

    $500

    MSRP $65,805

    Est. $1,184/mo

    Brennan Buick GMC

    4.2
    Check Availability
    Plattsburgh, NY (13 mi)
    Quick view
  • 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

    $69,435

    MSRP $76,435

    Est. $1,279/mo

    Key Chevrolet GMC Cadillac of Burlington

    1.6
    Check Availability
    South Burlington, VT (14 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

    $66,620

    MSRP $73,620

    Est. $1,227/mo

    Key Chevrolet GMC Cadillac of Burlington

    1.6
    Check Availability
    South Burlington, VT (14 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

    $63,385

    $2K

    MSRP $66,885

    Est. $1,167/mo

    Brennan Buick GMC

    4.2
    Check Availability
    Plattsburgh, NY (13 mi)
    Quick view
  • 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

    $64,305

    $500

    MSRP $65,805

    Est. $1,184/mo

    Brennan Buick GMC

    4.2
    Check Availability
    Plattsburgh, NY (13 mi)
    Quick view
  • Sterling Metallic 2026 GMC Sierra 2500 SLE

    $57,260

    MSRP $64,260

    Est. $1,054/mo

    Key Chevrolet GMC Cadillac of Burlington

    1.6
    Check Availability
    South Burlington, VT (14 mi)
    Quick view
  • Cardinal Red 2026 GMC Sierra 2500 SLE

    $67,018

    MSRP $74,018

    Est. $1,234/mo

    Key Chevrolet GMC Cadillac of Burlington

    1.6
    Check Availability
    South Burlington, VT (14 mi)
    Quick view
  • Onyx Black 2026 GMC Sierra 2500 SLE

    $67,115

    MSRP $74,115

    Est. $1,236/mo

    Key Chevrolet GMC Cadillac of Burlington

    1.6
    Check Availability
    South Burlington, VT (14 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

    $60,030

    Est. $1,105/mo

    Coleman Buick GMC

    4.4
    Check Availability
    $599 delivery from Lawrenceville, NJ (299 mi)
    Quick view
  • 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

    $57,245

    $750
    Est. $1,054/mo

    Laura Buick GMC

    4.5
    Check Availability
    $1,885 delivery from Collinsville, IL (943 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

    $63,325

    MSRP $63,325

    Est. $1,166/mo

    Ellis Chevrolet GMC Buick

    4.6
    Check Availability
    Malone, NY (47 mi)
    Quick view
  • 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

    $66,235

    MSRP $66,235

    Est. $1,220/mo

    Ellis Chevrolet GMC Buick

    4.6
    Check Availability
    Malone, NY (47 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

    $77,920

    MSRP $77,920

    Est. $1,435/mo

    Ellis Chevrolet GMC Buick

    4.6
    Check Availability
    Malone, NY (47 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.

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