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  • Metallic 2026 GMC Sierra 2500 DenaliMetallic 2026 GMC Sierra 2500 DenaliMetallic 2026 GMC Sierra 2500 DenaliMetallic 2026 GMC Sierra 2500 DenaliMetallic 2026 GMC Sierra 2500 DenaliMetallic 2026 GMC Sierra 2500 Denali

    $82,230

    Est. $1,549/mo

    Ross Downing GMC Cadillac

    4.8
    Check Availability
    Hammond, LA (29 mi)

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  • Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4

    $79,735

    $1K
    Est. $1,502/mo

    Ross Downing GMC Cadillac

    4.8
    Check Availability
    Hammond, LA (29 mi)
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  • Onyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4X

    $87,370

    $10K

    MSRP $97,370

    Est. $1,646/mo

    Fabre Chevrolet GMC

    4.6
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    Saint Francisville, LA (30 mi)
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  • Dune 2026 GMC Sierra 2500 AT4Dune 2026 GMC Sierra 2500 AT4Dune 2026 GMC Sierra 2500 AT4Dune 2026 GMC Sierra 2500 AT4Dune 2026 GMC Sierra 2500 AT4Dune 2026 GMC Sierra 2500 AT4

    $80,230

    $1K
    Est. $1,511/mo

    Ross Downing GMC Cadillac

    4.8
    Check Availability
    Hammond, LA (29 mi)
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  • Sterling 2026 GMC Sierra 2500 DenaliSterling 2026 GMC Sierra 2500 DenaliSterling 2026 GMC Sierra 2500 DenaliSterling 2026 GMC Sierra 2500 DenaliSterling 2026 GMC Sierra 2500 DenaliSterling 2026 GMC Sierra 2500 Denali

    $82,230

    Est. $1,549/mo

    Ross Downing GMC Cadillac

    4.8
    Check Availability
    Hammond, LA (29 mi)
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  • Glacier White Tricoat 2026 GMC Sierra 2500 DenaliGlacier White Tricoat 2026 GMC Sierra 2500 DenaliGlacier White Tricoat 2026 GMC Sierra 2500 DenaliGlacier White Tricoat 2026 GMC Sierra 2500 DenaliGlacier White Tricoat 2026 GMC Sierra 2500 DenaliGlacier White Tricoat 2026 GMC Sierra 2500 Denali

    $79,225

    $10K

    MSRP $89,225

    Est. $1,493/mo

    Fabre Chevrolet GMC

    4.6
    Check Availability
    Saint Francisville, LA (30 mi)
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  • Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4

    $81,405

    MSRP $91,905

    Est. $1,534/mo

    Ross Downing GMC of Gonzales

    3.9
    Check Availability
    Gonzales, LA (26 mi)
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  • Onyx Black 2026 GMC Sierra 2500 Denali UltimateOnyx Black 2026 GMC Sierra 2500 Denali UltimateOnyx Black 2026 GMC Sierra 2500 Denali UltimateOnyx Black 2026 GMC Sierra 2500 Denali UltimateOnyx Black 2026 GMC Sierra 2500 Denali UltimateOnyx Black 2026 GMC Sierra 2500 Denali Ultimate

    $90,665

    MSRP $100,665

    Est. $1,708/mo

    Ross Downing GMC of Gonzales

    3.9
    Check Availability
    Gonzales, LA (26 mi)
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  • Metallic 2026 GMC Sierra 2500 DenaliMetallic 2026 GMC Sierra 2500 DenaliMetallic 2026 GMC Sierra 2500 DenaliMetallic 2026 GMC Sierra 2500 DenaliMetallic 2026 GMC Sierra 2500 DenaliMetallic 2026 GMC Sierra 2500 Denali

    $83,670

    MSRP $94,170

    Est. $1,576/mo

    Ross Downing GMC of Gonzales

    3.9
    Check Availability
    Gonzales, LA (26 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

    $73,875

    MSRP $84,375

    Est. $1,392/mo

    Ross Downing GMC of Gonzales

    3.9
    Check Availability
    Gonzales, LA (26 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

    $75,955

    MSRP $86,455

    Est. $1,431/mo

    Ross Downing GMC of Gonzales

    3.9
    Check Availability
    Gonzales, LA (26 mi)
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  • Summit White 2026 GMC Sierra 2500 ProSummit White 2026 GMC Sierra 2500 ProSummit White 2026 GMC Sierra 2500 ProSummit White 2026 GMC Sierra 2500 ProSummit White 2026 GMC Sierra 2500 ProSummit White 2026 GMC Sierra 2500 Pro

    $50,355

    Est. $949/mo

    Ross Downing GMC Cadillac

    4.8
    Check Availability
    Hammond, LA (29 mi)
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  • Onyx Black 2026 GMC Sierra 2500 DenaliOnyx Black 2026 GMC Sierra 2500 DenaliOnyx Black 2026 GMC Sierra 2500 DenaliOnyx Black 2026 GMC Sierra 2500 DenaliOnyx Black 2026 GMC Sierra 2500 DenaliOnyx Black 2026 GMC Sierra 2500 Denali

    $81,310

    Est. $1,532/mo

    Ross Downing GMC Cadillac

    4.8
    Check Availability
    Hammond, LA (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

    $76,250

    MSRP $86,750

    Est. $1,436/mo

    Ross Downing GMC of Gonzales

    3.9
    Check Availability
    Gonzales, LA (26 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

    $75,140

    Est. $1,416/mo

    Ross Downing GMC Cadillac

    4.8
    Check Availability
    Hammond, LA (29 mi)
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  • Metallic 2026 GMC Sierra 2500 Denali UltimateMetallic 2026 GMC Sierra 2500 Denali UltimateMetallic 2026 GMC Sierra 2500 Denali UltimateMetallic 2026 GMC Sierra 2500 Denali UltimateMetallic 2026 GMC Sierra 2500 Denali UltimateMetallic 2026 GMC Sierra 2500 Denali Ultimate

    $88,460

    $1K
    Est. $1,667/mo

    Ross Downing GMC Cadillac

    4.8
    Check Availability
    Hammond, LA (29 mi)
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  • Dune 2026 GMC Sierra 2500 AT4XDune 2026 GMC Sierra 2500 AT4XDune 2026 GMC Sierra 2500 AT4XDune 2026 GMC Sierra 2500 AT4XDune 2026 GMC Sierra 2500 AT4XDune 2026 GMC Sierra 2500 AT4X

    $88,400

    Est. $1,665/mo

    Ross Downing GMC Cadillac

    4.8
    Check Availability
    Hammond, LA (29 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

    $76,250

    MSRP $86,750

    Est. $1,436/mo

    Ross Downing GMC of Gonzales

    3.9
    Check Availability
    Gonzales, LA (26 mi)
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  • Summit White 2026 GMC Sierra 2500 ProSummit White 2026 GMC Sierra 2500 ProSummit White 2026 GMC Sierra 2500 ProSummit White 2026 GMC Sierra 2500 ProSummit White 2026 GMC Sierra 2500 ProSummit White 2026 GMC Sierra 2500 Pro

    $49,605

    MSRP $56,605

    Est. $935/mo

    Ross Downing GMC of Gonzales

    3.9
    Check Availability
    Gonzales, LA (26 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

    $75,755

    MSRP $86,255

    Est. $1,427/mo

    Ross Downing GMC of Gonzales

    3.9
    Check Availability
    Gonzales, LA (26 mi)
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  • Sterling 2026 GMC Sierra 2500 DenaliSterling 2026 GMC Sierra 2500 DenaliSterling 2026 GMC Sierra 2500 DenaliSterling 2026 GMC Sierra 2500 DenaliSterling 2026 GMC Sierra 2500 DenaliSterling 2026 GMC Sierra 2500 Denali

    $79,810

    Est. $1,504/mo

    Ross Downing GMC Cadillac

    4.8
    Check Availability
    Hammond, LA (29 mi)
    Quick view
  • Metallic 2026 GMC Sierra 2500 DenaliMetallic 2026 GMC Sierra 2500 DenaliMetallic 2026 GMC Sierra 2500 DenaliMetallic 2026 GMC Sierra 2500 DenaliMetallic 2026 GMC Sierra 2500 DenaliMetallic 2026 GMC Sierra 2500 Denali

    $85,210

    Est. $1,605/mo

    Ross Downing GMC Cadillac

    4.8
    Check Availability
    Hammond, LA (29 mi)
    Quick view
  • White 2026 GMC Sierra 2500 SLTWhite 2026 GMC Sierra 2500 SLTWhite 2026 GMC Sierra 2500 SLTWhite 2026 GMC Sierra 2500 SLTWhite 2026 GMC Sierra 2500 SLTWhite 2026 GMC Sierra 2500 SLT

    $85,685

    MSRP $86,460

    Est. $1,614/mo

    Group 1 Buick GMC South

    4.6
    Check Availability
    Free delivery from Houston, TX (265 mi)
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  • Red 2026 GMC Sierra 2500 AT4Red 2026 GMC Sierra 2500 AT4Red 2026 GMC Sierra 2500 AT4Red 2026 GMC Sierra 2500 AT4Red 2026 GMC Sierra 2500 AT4Red 2026 GMC Sierra 2500 AT4

    $90,780

    MSRP $91,555

    Est. $1,710/mo

    Group 1 Buick GMC South

    4.6
    Check Availability
    Free delivery from Houston, TX (265 mi)
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About the 2026 GMC Sierra 2500

Basics

Pro shown (base trim).

Seating
2
Door count
2
Drivetrain
Rear-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
FAQs

How much does the 2026 GMC Sierra 2500 cost?

The 2026 GMC Sierra 2500 price depends on trim level and optional features. Prices typically start at $47,000 and go as high as $94,500 for fully loaded models.

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

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


Trims

AT4 (2 styles)

Style
4WD Crew Cab 159" AT4 4WD Crew Cab 172" AT4
Inventory price
Starting at $72,200 Starting at $72,400
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)

AT4X (1 style)

Style
4WD Crew Cab 159" AT4X
Inventory price
Starting at $85,200
Combined MPG
0
Engine
470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel)

Denali (2 styles)

Style
4WD Crew Cab 159" Denali 4WD Crew Cab 172" Denali
Inventory price
Starting at $75,200 Starting at $75,400
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)

Denali Ultimate (2 styles)

Style
4WD Crew Cab 159" Denali Ultimate 4WD Crew Cab 172" Denali Ultimate
Inventory price
Starting at $94,200 Starting at $94,500
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)

Pro (10 styles)

Style
4WD Double Cab 162" Pro 4WD Double Cab 149" Pro 2WD Double Cab 149" Pro 2WD Double Cab 162" Pro 2WD Reg Cab 142" Pro 4WD Reg Cab 142" Pro 2WD Crew Cab 172" Pro 2WD Crew Cab 159" Pro 4WD Crew Cab 159" Pro 4WD Crew Cab 172" Pro
Inventory price
Starting at $51,900 Starting at $51,700 Starting at $48,900 Starting at $49,100 Starting at $47,000 Starting at $49,800 Starting at $50,900 Starting at $50,700 Starting at $53,500 Starting at $53,700
Combined MPG
0 0 0 0 0 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) 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)

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)

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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