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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

    $130,229

    MSRP $107,234

    Est. $2,403/mo

    Covert Buick GMC Bee Cave

    4.6
    Check Availability
    Austin, TX (26 mi)

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  • Onyx Black 2026 GMC Sierra 3500 SLEOnyx Black 2026 GMC Sierra 3500 SLEOnyx Black 2026 GMC Sierra 3500 SLEOnyx Black 2026 GMC Sierra 3500 SLEOnyx Black 2026 GMC Sierra 3500 SLEOnyx Black 2026 GMC Sierra 3500 SLE

    $87,572

    MSRP $73,577

    Est. $1,616/mo

    Covert Buick GMC Bee Cave

    4.6
    Check Availability
    Austin, TX (26 mi)

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  • Sterling 2026 GMC Sierra 3500 Denali UltimateSterling 2026 GMC Sierra 3500 Denali UltimateSterling 2026 GMC Sierra 3500 Denali UltimateSterling 2026 GMC Sierra 3500 Denali UltimateSterling 2026 GMC Sierra 3500 Denali UltimateSterling 2026 GMC Sierra 3500 Denali Ultimate

    $104,290

    Est. $1,925/mo

    Covert Buick GMC Austin

    4.5
    Check Availability
    Austin, TX (10 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

    $82,960

    $8K

    MSRP $91,960

    Est. $1,531/mo

    Covert Buick GMC Bee Cave

    4.6
    Check Availability
    Austin, TX (26 mi)
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  • Sterling Metallic 2026 GMC Sierra 3500 BaseSterling Metallic 2026 GMC Sierra 3500 BaseSterling Metallic 2026 GMC Sierra 3500 BaseSterling Metallic 2026 GMC Sierra 3500 BaseSterling Metallic 2026 GMC Sierra 3500 BaseSterling Metallic 2026 GMC Sierra 3500 Base

    $82,547

    MSRP $70,552

    Est. $1,523/mo

    Covert Buick GMC Bee Cave

    4.6
    Check Availability
    Austin, TX (26 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

    $125,443

    Est. $2,315/mo

    Covert Buick GMC Austin

    4.5
    Check Availability
    Austin, TX (10 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

    $105,623

    MSRP $106,623

    Est. $1,949/mo

    Covert Buick GMC Bee Cave

    4.6
    Check Availability
    Austin, TX (26 mi)
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  • Volcanic Red 2026 GMC Sierra 3500 SLTVolcanic Red 2026 GMC Sierra 3500 SLTVolcanic Red 2026 GMC Sierra 3500 SLTVolcanic Red 2026 GMC Sierra 3500 SLTVolcanic Red 2026 GMC Sierra 3500 SLTVolcanic Red 2026 GMC Sierra 3500 SLT

    $77,919

    MSRP $87,919

    Est. $1,438/mo

    Covert Buick GMC Bee Cave

    4.6
    Check Availability
    Austin, TX (26 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

    $102,673

    Est. $1,895/mo

    Covert Buick GMC Austin

    4.5
    Check Availability
    Austin, TX (10 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

    $95,310

    MSRP $105,310

    Est. $1,759/mo

    Covert Buick GMC Bee Cave

    4.6
    Check Availability
    Austin, TX (26 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

    $106,448

    Est. $1,965/mo

    Covert Buick GMC Austin

    4.5
    Check Availability
    Austin, TX (10 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

    $131,443

    Est. $2,426/mo

    Covert Buick GMC Austin

    4.5
    Check Availability
    Austin, TX (10 mi)
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  • Sterling 2026 GMC Sierra 3500 SLTSterling 2026 GMC Sierra 3500 SLTSterling 2026 GMC Sierra 3500 SLTSterling 2026 GMC Sierra 3500 SLTSterling 2026 GMC Sierra 3500 SLTSterling 2026 GMC Sierra 3500 SLT

    $77,769

    MSRP $87,769

    Est. $1,435/mo

    Covert Buick GMC Bee Cave

    4.6
    Check Availability
    Austin, TX (26 mi)
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  • Summit White 2026 GMC Sierra 3500 DenaliSummit White 2026 GMC Sierra 3500 DenaliSummit White 2026 GMC Sierra 3500 DenaliSummit White 2026 GMC Sierra 3500 DenaliSummit White 2026 GMC Sierra 3500 DenaliSummit White 2026 GMC Sierra 3500 Denali

    $96,080

    MSRP $105,080

    Est. $1,773/mo

    Covert Buick GMC Bee Cave

    4.6
    Check Availability
    Austin, TX (26 mi)

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  • White 2026 GMC Sierra 3500 Denali

    $93,684

    $8K

    MSRP $102,684

    Est. $1,729/mo

    Covert Buick GMC Bee Cave

    4.6
    Check Availability
    Austin, TX (26 mi)
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  • Not Priced

    Est. $0/mo

    Covert Buick GMC Bee Cave

    4.6
    Check Availability
    Austin, TX (26 mi)
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  • Dune 2026 GMC Sierra 3500 AT4

    Not Priced

    Est. $0/mo

    Covert Buick GMC Bee Cave

    4.6
    Check Availability
    Austin, TX (26 mi)
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  • Summit White 2026 GMC Sierra 3500 Base

    Not Priced

    Est. $0/mo

    Covert Buick GMC Bee Cave

    4.6
    Check Availability
    Austin, TX (26 mi)
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  • Onyx Black 2026 GMC Sierra 3500 Denali

    Not Priced

    Est. $0/mo

    Covert Buick GMC Bee Cave

    4.6
    Check Availability
    Austin, TX (26 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

    $64,515

    MSRP $71,015

    Est. $1,191/mo

    Covert Buick GMC Bee Cave

    4.6
    Check Availability
    Austin, TX (26 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

    $79,255

    MSRP $89,030

    Est. $1,463/mo

    Group 1 Buick GMC South

    4.6
    Check Availability
    Free delivery from Houston, TX (154 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. $1,803/mo

    Group 1 Buick GMC South

    4.6
    Check Availability
    Free delivery from Houston, TX (154 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

    $138,498

    35 mi.
    Est. $2,556/mo

    Lifted Trucks - San Antonio

    Check Availability
    Live Oak, TX (77 mi)
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  • Onyx Black 2026 GMC Sierra 3500 SLEOnyx Black 2026 GMC Sierra 3500 SLEOnyx Black 2026 GMC Sierra 3500 SLEOnyx Black 2026 GMC Sierra 3500 SLEOnyx Black 2026 GMC Sierra 3500 SLEOnyx Black 2026 GMC Sierra 3500 SLE

    $72,270

    MSRP $80,270

    Est. $1,334/mo

    South San Antonio Buick GMC

    4.0
    Check Availability
    San Antonio, TX (95 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

    $86,260

    $2.5K
    Est. $1,592/mo

    Ancira / Buick / GMC

    4.8
    Check Availability
    Boerne, TX (82 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

    $97,535

    Est. $1,800/mo

    Cavender Buick GMC West

    4.5
    Check Availability
    San Antonio, TX (86 mi)
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  • Summit White 2026 GMC Sierra 3500 SLTSummit White 2026 GMC Sierra 3500 SLTSummit White 2026 GMC Sierra 3500 SLTSummit White 2026 GMC Sierra 3500 SLTSummit White 2026 GMC Sierra 3500 SLTSummit White 2026 GMC Sierra 3500 SLT

    $107,725

    MSRP $85,730

    Est. $1,988/mo

    South San Antonio Buick GMC

    4.0
    Check Availability
    San Antonio, TX (95 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

    $87,760

    $1K
    Est. $1,620/mo

    Ancira / Buick / GMC

    4.8
    Check Availability
    Boerne, TX (82 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

    $89,110

    Est. $1,645/mo

    Cavender Buick GMC West

    4.5
    Check Availability
    San Antonio, TX (86 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

    $89,874

    MSRP $97,874

    Est. $1,659/mo

    South San Antonio Buick GMC

    4.0
    Check Availability
    San Antonio, TX (95 mi)
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  • Cardinal Red 2026 GMC Sierra 3500 SLECardinal Red 2026 GMC Sierra 3500 SLECardinal Red 2026 GMC Sierra 3500 SLECardinal Red 2026 GMC Sierra 3500 SLECardinal Red 2026 GMC Sierra 3500 SLECardinal Red 2026 GMC Sierra 3500 SLE

    $72,270

    MSRP $80,270

    Est. $1,334/mo

    South San Antonio Buick GMC

    4.0
    Check Availability
    San Antonio, TX (95 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

    $108,225

    Est. $1,997/mo

    Ancira / Buick / GMC

    4.8
    Check Availability
    Boerne, TX (82 mi)
    Quick view
  • 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

    $86,435

    Est. $1,595/mo

    Ancira / Buick / GMC

    4.8
    Check Availability
    Boerne, TX (82 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

    $87,160

    Est. $1,609/mo

    Ancira / Buick / GMC

    4.8
    Check Availability
    Boerne, TX (82 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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