Skip to main content
Best match Lowest price Highest price Lowest mileage Highest mileage Nearest location Best deal Newest year Oldest year Newest listed Oldest listed
Skip to Filters
  • 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

    $70,082

    Est. $1,310/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (28 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

    $67,989

    MSRP $68,090

    Est. $1,270/mo

    Sapaugh GM Country

    4.8
    Check Availability
    Herculaneum, MO (13 mi)

    Quick view
  • 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

    $58,990

    $1K
    163 mi.
    Est. $1,102/mo

    AutoNation USA St. Louis

    4.6
    Check Availability
    St. Peters, MO (29 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

    $60,495

    Est. $1,130/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (28 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

    $60,995

    $289
    Est. $1,140/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (28 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

    $59,995

    Est. $1,121/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (28 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

    $78,714

    Est. $1,471/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (28 mi)
    Quick view
  • 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

    $69,535

    Est. $1,299/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (28 mi)
    Quick view
  • 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

    $57,995

    $183
    Est. $1,084/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (28 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

    $59,725

    Est. $1,116/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (28 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

    $72,038

    Est. $1,346/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (28 mi)
    Quick view
  • 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

    $58,582

    Est. $1,095/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (28 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

    $57,995

    $183
    Est. $1,084/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (28 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

    $67,041

    MSRP $74,770

    Est. $1,253/mo

    Dave Sinclair Buick GMC

    4.9
    Check Availability
    Saint Louis, MO (7 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

    $68,680

    Est. $1,283/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (28 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

    $57,849

    Est. $1,081/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (28 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

    $58,582

    Est. $1,095/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (28 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

    $58,582

    Est. $1,095/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (28 mi)
    Quick view
  • 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

    $60,178

    Est. $1,124/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (28 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

    $69,132

    Est. $1,292/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (28 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

    $60,495

    Est. $1,130/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (28 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

    $71,479

    $3K
    Est. $1,336/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (28 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

    $71,584

    Est. $1,338/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (28 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

    $69,042

    Est. $1,290/mo

    Al Piemonte Buick GMC

    4.5
    Check Availability
    $411 delivery from Elmhurst, IL (275 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)
Skip to Listings
Best match Lowest price Highest price Lowest mileage Highest mileage Nearest location Best deal Newest year Oldest year Newest listed Oldest listed

2026 GMC Sierra 2500 SLE by city

GMC Sierra 2500 trims