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  • Glacier White 2026 GMC Sierra 3500 Denali UltimateGlacier White 2026 GMC Sierra 3500 Denali UltimateGlacier White 2026 GMC Sierra 3500 Denali UltimateGlacier White 2026 GMC Sierra 3500 Denali UltimateGlacier White 2026 GMC Sierra 3500 Denali UltimateGlacier White 2026 GMC Sierra 3500 Denali Ultimate

    $96,074

    MSRP $107,074

    Est. $1,810/mo

    Ross Downing GMC of Gonzales

    3.9
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    Gonzales, LA (26 mi)

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  • Glacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 Denali

    $85,530

    $10K

    MSRP $95,530

    Est. $1,611/mo

    Fabre Chevrolet GMC

    4.5
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    Saint Francisville, LA (30 mi)
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  • Onyx Black 2026 GMC Sierra 3500 Denali UltimateOnyx Black 2026 GMC Sierra 3500 Denali UltimateOnyx Black 2026 GMC Sierra 3500 Denali UltimateOnyx Black 2026 GMC Sierra 3500 Denali UltimateOnyx Black 2026 GMC Sierra 3500 Denali UltimateOnyx Black 2026 GMC Sierra 3500 Denali Ultimate

    $97,474

    MSRP $106,474

    Est. $1,836/mo

    Ross Downing GMC of Gonzales

    3.9
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    Gonzales, LA (26 mi)
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  • Glacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 Denali

    $84,160

    $10K

    MSRP $94,160

    Est. $1,586/mo

    Fabre Chevrolet GMC

    4.5
    Check Availability
    Saint Francisville, LA (30 mi)
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  • Glacier White 2026 GMC Sierra 3500 Denali UltimateGlacier White 2026 GMC Sierra 3500 Denali UltimateGlacier White 2026 GMC Sierra 3500 Denali UltimateGlacier White 2026 GMC Sierra 3500 Denali UltimateGlacier White 2026 GMC Sierra 3500 Denali UltimateGlacier White 2026 GMC Sierra 3500 Denali Ultimate

    $95,554

    Est. $1,800/mo

    Ross Downing GMC Cadillac

    4.8
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    Hammond, LA (29 mi)
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  • Summit White 2026 GMC Sierra 3500 Denali UltimateSummit White 2026 GMC Sierra 3500 Denali UltimateSummit White 2026 GMC Sierra 3500 Denali UltimateSummit White 2026 GMC Sierra 3500 Denali UltimateSummit White 2026 GMC Sierra 3500 Denali UltimateSummit White 2026 GMC Sierra 3500 Denali Ultimate

    $93,580

    Est. $1,763/mo

    Ross Downing GMC Cadillac

    4.8
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    Hammond, LA (29 mi)
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  • Sterling Metallic 2026 GMC Sierra 3500 SLTSterling Metallic 2026 GMC Sierra 3500 SLTSterling Metallic 2026 GMC Sierra 3500 SLTSterling Metallic 2026 GMC Sierra 3500 SLTSterling Metallic 2026 GMC Sierra 3500 SLTSterling Metallic 2026 GMC Sierra 3500 SLT

    $75,540

    $10K

    MSRP $85,540

    Est. $1,423/mo

    Fabre Chevrolet GMC

    4.5
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    Saint Francisville, LA (30 mi)
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  • Volcanic Red Tintcoat 2026 GMC Sierra 3500 SLTVolcanic Red Tintcoat 2026 GMC Sierra 3500 SLTVolcanic Red Tintcoat 2026 GMC Sierra 3500 SLTVolcanic Red Tintcoat 2026 GMC Sierra 3500 SLTVolcanic Red Tintcoat 2026 GMC Sierra 3500 SLTVolcanic Red Tintcoat 2026 GMC Sierra 3500 SLT

    $76,390

    $10K

    MSRP $86,390

    Est. $1,439/mo

    Fabre Chevrolet GMC

    4.5
    Check Availability
    Saint Francisville, LA (30 mi)
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  • White 2026 GMC Sierra 3500 SLTWhite 2026 GMC Sierra 3500 SLTWhite 2026 GMC Sierra 3500 SLTWhite 2026 GMC Sierra 3500 SLTWhite 2026 GMC Sierra 3500 SLTWhite 2026 GMC Sierra 3500 SLT

    $76,840

    $10K

    MSRP $86,840

    Est. $1,448/mo

    Fabre Chevrolet GMC

    4.5
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    Saint Francisville, LA (30 mi)
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  • Glacier White 2026 GMC Sierra 3500 Denali UltimateGlacier White 2026 GMC Sierra 3500 Denali UltimateGlacier White 2026 GMC Sierra 3500 Denali UltimateGlacier White 2026 GMC Sierra 3500 Denali UltimateGlacier White 2026 GMC Sierra 3500 Denali UltimateGlacier White 2026 GMC Sierra 3500 Denali Ultimate

    $98,074

    MSRP $107,074

    Est. $1,848/mo

    Ross Downing GMC of Gonzales

    3.9
    Check Availability
    Gonzales, LA (26 mi)
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  • Summit White 2026 GMC Sierra 3500 Denali UltimateSummit White 2026 GMC Sierra 3500 Denali UltimateSummit White 2026 GMC Sierra 3500 Denali UltimateSummit White 2026 GMC Sierra 3500 Denali UltimateSummit White 2026 GMC Sierra 3500 Denali UltimateSummit White 2026 GMC Sierra 3500 Denali Ultimate

    $95,080

    Est. $1,791/mo

    Ross Downing GMC Cadillac

    4.8
    Check Availability
    Hammond, LA (29 mi)
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  • Gray 2026 GMC Sierra 3500 DenaliGray 2026 GMC Sierra 3500 DenaliGray 2026 GMC Sierra 3500 DenaliGray 2026 GMC Sierra 3500 DenaliGray 2026 GMC Sierra 3500 DenaliGray 2026 GMC Sierra 3500 Denali

    $97,679

    $775

    MSRP $98,454

    Est. $1,840/mo

    Group 1 Buick GMC South

    4.6
    Check Availability
    Free delivery from Houston, TX (265 mi)
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  • Dune 2026 GMC Sierra 3500 AT4

    $84,475

    MSRP $91,975

    Est. $1,591/mo

    James Wood Motors, Inc

    4.8
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    $645 delivery from Decatur, TX (431 mi)
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  • Metallic 2026 GMC Sierra 3500 DenaliMetallic 2026 GMC Sierra 3500 DenaliMetallic 2026 GMC Sierra 3500 DenaliMetallic 2026 GMC Sierra 3500 DenaliMetallic 2026 GMC Sierra 3500 DenaliMetallic 2026 GMC Sierra 3500 Denali

    $93,260

    MSRP $93,260

    Est. $1,757/mo

    Rainbow Northshore GMC

    4.7
    Check Availability
    Covington, LA (52 mi)
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  • Glacier White 2026 GMC Sierra 3500 DenaliGlacier White 2026 GMC Sierra 3500 DenaliGlacier White 2026 GMC Sierra 3500 DenaliGlacier White 2026 GMC Sierra 3500 DenaliGlacier White 2026 GMC Sierra 3500 DenaliGlacier White 2026 GMC Sierra 3500 Denali

    $93,860

    MSRP $93,860

    Est. $1,768/mo

    Rainbow Northshore GMC

    4.7
    Check Availability
    Covington, LA (52 mi)
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  • White 2026 GMC Sierra 3500 DenaliWhite 2026 GMC Sierra 3500 DenaliWhite 2026 GMC Sierra 3500 DenaliWhite 2026 GMC Sierra 3500 DenaliWhite 2026 GMC Sierra 3500 DenaliWhite 2026 GMC Sierra 3500 Denali

    $91,680

    MSRP $92,680

    Est. $1,727/mo

    Crown Buick GMC

    4.7
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    Metairie, LA (62 mi)
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  • Onyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 Denali

    $80,770

    MSRP $91,270

    Est. $1,522/mo

    Mossy GMC

    4.7
    Check Availability
    New Orleans, LA (67 mi)
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  • Glacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 Denali

    $84,265

    MSRP $95,765

    Est. $1,587/mo

    Legacy Westbank Buick GMC

    4.5
    Check Availability
    Harvey, LA (72 mi)
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  • Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4

    $80,680

    $2.5K

    MSRP $93,680

    Est. $1,520/mo

    Legacy GMC

    4.8
    Check Availability
    Slidell, LA (74 mi)
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  • Sterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 Denali

    $84,165

    $500

    MSRP $95,165

    Est. $1,586/mo

    Legacy GMC

    4.8
    Check Availability
    Slidell, LA (74 mi)
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  • Sterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 Denali

    $85,290

    $500

    MSRP $96,290

    Est. $1,607/mo

    Legacy GMC

    4.8
    Check Availability
    Slidell, LA (74 mi)
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  • Summit White 2026 GMC Sierra 3500 BaseSummit White 2026 GMC Sierra 3500 BaseSummit White 2026 GMC Sierra 3500 BaseSummit White 2026 GMC Sierra 3500 BaseSummit White 2026 GMC Sierra 3500 BaseSummit White 2026 GMC Sierra 3500 Base

    $66,725

    $1K

    MSRP $72,725

    Est. $1,257/mo

    Legacy GMC

    4.8
    Check Availability
    Slidell, LA (74 mi)
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  • Glacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 Denali

    $93,760

    $3K

    MSRP $107,260

    Est. $1,766/mo

    Legacy GMC

    4.8
    Check Availability
    Slidell, LA (74 mi)
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  • Glacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 Denali

    $86,300

    $500

    MSRP $97,300

    Est. $1,626/mo

    Legacy GMC

    4.8
    Check Availability
    Slidell, LA (74 mi)
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  • Onyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 Denali

    $81,665

    $3K

    MSRP $95,165

    Est. $1,539/mo

    Legacy GMC

    4.8
    Check Availability
    Slidell, LA (74 mi)
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About the 2026 GMC Sierra 3500

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 3500
FAQs

How much does the 2026 GMC Sierra 3500 cost?

The 2026 GMC Sierra 3500 price depends on trim level and optional features. Prices typically start at $48,200 and go as high as $97,800 for fully loaded models.

What are some similar vehicles and competitors of the 2026 GMC Sierra 3500?

The 2026 GMC Sierra 3500 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 $73,400 Starting at $73,600
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 (2 styles)

Style
4WD Crew Cab 159" Denali 4WD Crew Cab 172" Denali
Inventory price
Starting at $76,300 Starting at $76,500
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)

Denali Ultimate (2 styles)

Style
4WD Crew Cab 172" Denali Ultimate 4WD Crew Cab 159" Denali Ultimate
Inventory price
Starting at $97,800 Starting at $97,600
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 (8 styles)

Style
4WD Double Cab 162" Pro 2WD Double Cab 162" Pro 2WD Crew Cab 172" Pro 4WD Crew Cab 172" Pro 2WD Crew Cab 159" Pro 4WD Crew Cab 159" Pro 4WD Reg Cab 142" Pro 2WD Reg Cab 142" Pro
Inventory price
Starting at $53,100 Starting at $50,300 Starting at $52,100 Starting at $54,900 Starting at $51,900 Starting at $54,700 Starting at $51,000 Starting at $48,200
Combined MPG
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)

SLE (4 styles)

Style
4WD Double Cab 162" SLE 4WD Reg Cab 142" SLE 4WD Crew Cab 172" SLE 4WD Crew Cab 159" SLE
Inventory price
Starting at $57,500 Starting at $55,200 Starting at $59,300 Starting at $59,100
Combined MPG
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)

SLT (2 styles)

Style
4WD Crew Cab 172" SLT 4WD Crew Cab 159" SLT
Inventory price
Starting at $66,600 Starting at $66,400
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)
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