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  • Onyx Black 2026 GMC Sierra 2500 SLTOnyx Black 2026 GMC Sierra 2500 SLTOnyx Black 2026 GMC Sierra 2500 SLTOnyx Black 2026 GMC Sierra 2500 SLTOnyx Black 2026 GMC Sierra 2500 SLTOnyx Black 2026 GMC Sierra 2500 SLT

    $73,168

    Est. $1,335/mo

    Regal Automotive Group

    4.6
    Check Availability
    Lakeland, FL (5 mi)

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  • Glacier White 2026 GMC Sierra 2500 SLTGlacier White 2026 GMC Sierra 2500 SLTGlacier White 2026 GMC Sierra 2500 SLTGlacier White 2026 GMC Sierra 2500 SLTGlacier White 2026 GMC Sierra 2500 SLTGlacier White 2026 GMC Sierra 2500 SLT

    $78,703

    Est. $1,436/mo

    Kelley Buick GMC of Bartow

    4.1
    Check Availability
    Bartow, FL (10 mi)

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  • Onyx Black 2026 GMC Sierra 2500 SLTOnyx Black 2026 GMC Sierra 2500 SLTOnyx Black 2026 GMC Sierra 2500 SLTOnyx Black 2026 GMC Sierra 2500 SLTOnyx Black 2026 GMC Sierra 2500 SLTOnyx Black 2026 GMC Sierra 2500 SLT

    $73,706

    $2K

    MSRP $83,520

    Est. $1,345/mo

    Rivard Buick GMC

    4.8
    Check Availability
    Tampa, FL (29 mi)
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  • Sterling 2026 GMC Sierra 2500 SLTSterling 2026 GMC Sierra 2500 SLTSterling 2026 GMC Sierra 2500 SLTSterling 2026 GMC Sierra 2500 SLTSterling 2026 GMC Sierra 2500 SLTSterling 2026 GMC Sierra 2500 SLT

    $77,105

    Est. $1,407/mo

    Jim Browne Dade City Chevrolet GMC

    3.9
    Check Availability
    Dade City, FL (27 mi)
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  • Summit White 2026 GMC Sierra 2500 SLTSummit White 2026 GMC Sierra 2500 SLTSummit White 2026 GMC Sierra 2500 SLT

    $80,219

    Est. $1,463/mo

    Huston Cadillac GMC

    4.9
    Check Availability
    Lake Wales, FL (20 mi)
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  • Volcanic Red 2026 GMC Sierra 2500 SLTVolcanic Red 2026 GMC Sierra 2500 SLTVolcanic Red 2026 GMC Sierra 2500 SLTVolcanic Red 2026 GMC Sierra 2500 SLTVolcanic Red 2026 GMC Sierra 2500 SLTVolcanic Red 2026 GMC Sierra 2500 SLT

    $75,955

    Est. $1,386/mo

    Regal Automotive Group

    4.6
    Check Availability
    Lakeland, FL (5 mi)
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  • Onyx Black 2026 GMC Sierra 2500 SLTOnyx Black 2026 GMC Sierra 2500 SLTOnyx Black 2026 GMC Sierra 2500 SLTOnyx Black 2026 GMC Sierra 2500 SLTOnyx Black 2026 GMC Sierra 2500 SLTOnyx Black 2026 GMC Sierra 2500 SLT

    $73,330

    Est. $1,338/mo

    Regal Automotive Group

    4.6
    Check Availability
    Lakeland, FL (5 mi)
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  • Volcanic Red 2026 GMC Sierra 2500 SLTVolcanic Red 2026 GMC Sierra 2500 SLTVolcanic Red 2026 GMC Sierra 2500 SLTVolcanic Red 2026 GMC Sierra 2500 SLTVolcanic Red 2026 GMC Sierra 2500 SLTVolcanic Red 2026 GMC Sierra 2500 SLT

    $78,289

    Est. $1,428/mo

    Kelley Buick GMC of Bartow

    4.1
    Check Availability
    Bartow, FL (10 mi)

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  • Onyx Black 2026 GMC Sierra 2500 SLTOnyx Black 2026 GMC Sierra 2500 SLTOnyx Black 2026 GMC Sierra 2500 SLTOnyx Black 2026 GMC Sierra 2500 SLTOnyx Black 2026 GMC Sierra 2500 SLTOnyx Black 2026 GMC Sierra 2500 SLT

    $73,970

    Est. $1,349/mo

    Regal Automotive Group

    4.6
    Check Availability
    Lakeland, FL (5 mi)
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  • Glacier White 2026 GMC Sierra 2500 SLTGlacier White 2026 GMC Sierra 2500 SLTGlacier White 2026 GMC Sierra 2500 SLTGlacier White 2026 GMC Sierra 2500 SLTGlacier White 2026 GMC Sierra 2500 SLTGlacier White 2026 GMC Sierra 2500 SLT

    $73,363

    Est. $1,338/mo

    Regal Automotive Group

    4.6
    Check Availability
    Lakeland, FL (5 mi)
    Quick view
  • Onyx Black 2026 GMC Sierra 2500 SLTOnyx Black 2026 GMC Sierra 2500 SLTOnyx Black 2026 GMC Sierra 2500 SLTOnyx Black 2026 GMC Sierra 2500 SLTOnyx Black 2026 GMC Sierra 2500 SLTOnyx Black 2026 GMC Sierra 2500 SLT

    $73,831

    Est. $1,347/mo

    Regal Automotive Group

    4.6
    Check Availability
    Lakeland, FL (5 mi)
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  • Summit White 2026 GMC Sierra 2500 SLT

    Not Priced

    Kelley Buick GMC of Bartow

    4.1
    Check Availability
    Bartow, FL (10 mi)
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  • Volcanic Red 2026 GMC Sierra 2500 SLT

    Not Priced

    Kelley Buick GMC of Bartow

    4.1
    Check Availability
    Bartow, FL (10 mi)
    Quick view
  • Glacier White 2026 GMC Sierra 2500 SLT

    $78,703

    Est. $1,436/mo

    Kelley Buick GMC of Bartow

    4.1
    Check Availability
    Bartow, FL (10 mi)

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  • Onyx Black 2026 GMC Sierra 2500 SLT

    Not Priced

    Kelley Buick GMC of Bartow

    4.1
    Check Availability
    Bartow, FL (10 mi)
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  • Sterling Metallic 2026 GMC Sierra 2500 SLT

    $63,182

    $1K

    MSRP $70,645

    Est. $1,153/mo

    Rivard Buick GMC

    4.8
    Check Availability
    Tampa, FL (29 mi)
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  • Sterling Metallic 2026 GMC Sierra 2500 SLT

    $72,124

    MSRP $80,635

    Est. $1,316/mo

    Rivard Buick GMC

    4.8
    Check Availability
    Tampa, FL (29 mi)
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  • Onyx Black 2026 GMC Sierra 2500 SLT

    $72,124

    $1K

    MSRP $80,635

    Est. $1,316/mo

    Rivard Buick GMC

    4.8
    Check Availability
    Tampa, FL (29 mi)
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  • Summit White 2026 GMC Sierra 2500 SLT

    $71,680

    $1K

    MSRP $80,140

    Est. $1,308/mo

    Rivard Buick GMC

    4.8
    Check Availability
    Tampa, FL (29 mi)
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  • $78,151

    Est. $1,426/mo

    Kelley Buick GMC of Bartow

    4.1
    Check Availability
    Bartow, FL (10 mi)
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  • Not Priced

    Kelley Buick GMC of Bartow

    4.1
    Check Availability
    Bartow, FL (10 mi)
    Quick view
  • Onyx Black 2026 GMC Sierra 2500 SLTOnyx Black 2026 GMC Sierra 2500 SLTOnyx Black 2026 GMC Sierra 2500 SLTOnyx Black 2026 GMC Sierra 2500 SLTOnyx Black 2026 GMC Sierra 2500 SLTOnyx Black 2026 GMC Sierra 2500 SLT

    $74,885

    Est. $1,366/mo

    Laura Buick GMC

    4.5
    Check Availability
    $1,743 delivery from Collinsville, IL (872 mi)
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  • Onyx Black 2026 GMC Sierra 2500 SLTOnyx Black 2026 GMC Sierra 2500 SLTOnyx Black 2026 GMC Sierra 2500 SLTOnyx Black 2026 GMC Sierra 2500 SLTOnyx Black 2026 GMC Sierra 2500 SLTOnyx Black 2026 GMC Sierra 2500 SLT

    $75,397

    Est. $1,375/mo

    Laura Buick GMC

    4.5
    Check Availability
    $1,743 delivery from Collinsville, IL (872 mi)
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  • Summit White 2026 GMC Sierra 2500 SLTSummit White 2026 GMC Sierra 2500 SLTSummit White 2026 GMC Sierra 2500 SLTSummit White 2026 GMC Sierra 2500 SLTSummit White 2026 GMC Sierra 2500 SLTSummit White 2026 GMC Sierra 2500 SLT

    $79,898

    $499

    MSRP $83,025

    Est. $1,458/mo

    Century Buick GMC

    4.8
    Check Availability
    Tampa, FL (37 mi)
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  • Sterling Metallic 2026 GMC Sierra 2500 SLTSterling Metallic 2026 GMC Sierra 2500 SLTSterling Metallic 2026 GMC Sierra 2500 SLTSterling Metallic 2026 GMC Sierra 2500 SLTSterling Metallic 2026 GMC Sierra 2500 SLTSterling Metallic 2026 GMC Sierra 2500 SLT

    $72,674

    $500
    Est. $1,326/mo

    Orange Buick GMC

    4.4
    Check Availability
    Orlando, FL (46 mi)
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  • Onyx Black 2026 GMC Sierra 2500 SLTOnyx Black 2026 GMC Sierra 2500 SLTOnyx Black 2026 GMC Sierra 2500 SLTOnyx Black 2026 GMC Sierra 2500 SLTOnyx Black 2026 GMC Sierra 2500 SLTOnyx Black 2026 GMC Sierra 2500 SLT

    $82,365

    $500
    Est. $1,503/mo

    Orange Buick GMC

    4.4
    Check Availability
    Orlando, FL (46 mi)
    Quick view
  • Onyx Black 2026 GMC Sierra 2500 SLTOnyx Black 2026 GMC Sierra 2500 SLTOnyx Black 2026 GMC Sierra 2500 SLTOnyx Black 2026 GMC Sierra 2500 SLTOnyx Black 2026 GMC Sierra 2500 SLTOnyx Black 2026 GMC Sierra 2500 SLT

    $68,341

    MSRP $75,045

    Est. $1,247/mo

    Ferman Buick GMC

    4.8
    Check Availability
    Lutz, FL (34 mi)
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  • Glacier White Tricoat 2026 GMC Sierra 2500 SLTGlacier White Tricoat 2026 GMC Sierra 2500 SLTGlacier White Tricoat 2026 GMC Sierra 2500 SLTGlacier White Tricoat 2026 GMC Sierra 2500 SLTGlacier White Tricoat 2026 GMC Sierra 2500 SLTGlacier White Tricoat 2026 GMC Sierra 2500 SLT

    $73,274

    $500
    Est. $1,337/mo

    Orange Buick GMC

    4.4
    Check Availability
    Orlando, FL (46 mi)
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  • Summit White 2026 GMC Sierra 2500 SLTSummit White 2026 GMC Sierra 2500 SLTSummit White 2026 GMC Sierra 2500 SLTSummit White 2026 GMC Sierra 2500 SLTSummit White 2026 GMC Sierra 2500 SLTSummit White 2026 GMC Sierra 2500 SLT

    $71,835

    $3.2K

    MSRP $75,060

    Est. $1,310/mo

    Ferman Buick GMC

    4.8
    Check Availability
    Lutz, FL (34 mi)
    Quick view
  • Sterling Metallic 2026 GMC Sierra 2500 SLT

    $83,785

    Est. $1,528/mo

    Orange Buick GMC

    4.4
    Check Availability
    Orlando, FL (46 mi)
    Quick view

About the 2026 GMC Sierra 2500 SLT

Basics

SLT shown.

Seating
5
Door count
4
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 SLT
FAQs

How much does the 2026 GMC Sierra 2500 SLT cost?

The 2026 GMC Sierra 2500 SLT price depends on optional features. Prices typically start at $65,200.

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

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


Trims

SLT (2 styles)

Style
4WD Crew Cab 159" SLT 4WD Crew Cab 172" SLT
Inventory price
Starting at $65,200 Starting at $65,500
Combined MPG
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)
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2026 GMC Sierra 2500 SLT by city

GMC Sierra 2500 trims