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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

    $56,995

    Est. $1,066/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (20 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

    $56,995

    Est. $1,066/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (20 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

    $71,584

    Est. $1,339/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (20 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

    $57,995

    Est. $1,084/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (20 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

    $56,995

    Est. $1,066/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (20 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

    $71,995

    Est. $1,346/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (20 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

    $59,318

    Est. $1,109/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (20 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

    $69,132

    Est. $1,293/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (20 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

    $67,535

    Est. $1,263/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (20 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

    $72,038

    Est. $1,347/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (20 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

    $78,732

    Est. $1,472/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (20 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

    $69,132

    Est. $1,293/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (20 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

    $70,535

    Est. $1,319/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (20 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

    $70,535

    Est. $1,319/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (20 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

    $68,680

    Est. $1,284/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (20 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

    $70,535

    Est. $1,319/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (20 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

    $69,132

    Est. $1,293/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (20 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

    $63,438

    $500

    MSRP $68,090

    Est. $1,186/mo

    Sapaugh GM Country

    4.8
    Check Availability
    Herculaneum, MO (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

    $62,983

    $500

    MSRP $67,595

    Est. $1,178/mo

    Sapaugh GM Country

    4.8
    Check Availability
    Herculaneum, MO (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

    $66,988

    $2.5K

    MSRP $75,695

    Est. $1,253/mo

    Dave Sinclair Buick GMC

    4.9
    Check Availability
    Saint Louis, MO (3 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

    $67,958

    $2.5K

    MSRP $76,785

    Est. $1,271/mo

    Dave Sinclair Buick GMC

    4.9
    Check Availability
    Saint Louis, MO (3 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

    $50,563

    $2.1K

    MSRP $57,240

    Est. $945/mo

    Dave Sinclair Buick GMC

    4.9
    Check Availability
    Saint Louis, MO (3 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

    $66,164

    $2.4K

    MSRP $74,770

    Est. $1,237/mo

    Dave Sinclair Buick GMC

    4.9
    Check Availability
    Saint Louis, MO (3 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 SLE

    $70,415

    MSRP $77,630

    Est. $1,317/mo

    Bob Brockland Buick GMC

    4.6
    Check Availability
    Columbia, IL (8 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

    $61,998

    1,004 mi.
    Est. $1,159/mo

    CarMax Gastonia

    Check Availability
    $549 delivery to St. Louis, MO (3 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

    $51,369

    Est. $961/mo

    Behlmann Buick GMC

    4.7
    Check Availability
    Troy, MO (47 mi)
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  • Summit White 2026 GMC Sierra 2500 SLE

    $53,649

    $10K
    Est. $1,003/mo

    Behlmann Buick GMC

    4.7
    Check Availability
    Troy, MO (47 mi)
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  • Onyx Black 2026 GMC Sierra 2500 SLE

    $56,314

    Est. $1,053/mo

    Behlmann Buick GMC

    4.7
    Check Availability
    Troy, MO (47 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

    $51,369

    Est. $961/mo

    Behlmann Buick GMC

    4.7
    Check Availability
    Troy, MO (47 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

    Not Priced

    Laura Chevrolet Buick GMC of Sullivan, LLC

    4.8
    Check Availability
    Sullivan, MO (48 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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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