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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

    $96,160

    $1K

    MSRP $97,160

    Est. $1,775/mo

    South San Antonio Buick GMC

    4.0
    Check Availability
    San Antonio, TX (29 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

    $74,270

    MSRP $80,270

    Est. $1,371/mo

    South San Antonio Buick GMC

    4.0
    Check Availability
    San Antonio, TX (29 mi)
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  • Coastal Dune 2026 GMC Sierra 3500 AT4Coastal Dune 2026 GMC Sierra 3500 AT4Coastal Dune 2026 GMC Sierra 3500 AT4Coastal Dune 2026 GMC Sierra 3500 AT4Coastal Dune 2026 GMC Sierra 3500 AT4Coastal Dune 2026 GMC Sierra 3500 AT4

    $91,560

    MSRP $92,560

    Est. $1,690/mo

    South San Antonio Buick GMC

    4.0
    Check Availability
    San Antonio, TX (29 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

    $91,874

    MSRP $97,874

    Est. $1,696/mo

    South San Antonio Buick GMC

    4.0
    Check Availability
    San Antonio, TX (29 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

    $96,760

    $1K

    MSRP $97,760

    Est. $1,786/mo

    South San Antonio Buick GMC

    4.0
    Check Availability
    San Antonio, TX (29 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

    $90,779

    MSRP $96,779

    Est. $1,675/mo

    South San Antonio Buick GMC

    4.0
    Check Availability
    San Antonio, TX (29 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

    $78,220

    MSRP $84,220

    Est. $1,444/mo

    South San Antonio Buick GMC

    4.0
    Check Availability
    San Antonio, TX (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

    $78,070

    MSRP $84,070

    Est. $1,441/mo

    South San Antonio Buick GMC

    4.0
    Check Availability
    San Antonio, TX (29 mi)
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  • Sterling Metallic 2026 GMC Sierra 3500 SLESterling Metallic 2026 GMC Sierra 3500 SLESterling Metallic 2026 GMC Sierra 3500 SLESterling Metallic 2026 GMC Sierra 3500 SLESterling Metallic 2026 GMC Sierra 3500 SLESterling Metallic 2026 GMC Sierra 3500 SLE

    $74,270

    MSRP $80,270

    Est. $1,371/mo

    South San Antonio Buick GMC

    4.0
    Check Availability
    San Antonio, TX (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

    $78,070

    MSRP $84,070

    Est. $1,441/mo

    South San Antonio Buick GMC

    4.0
    Check Availability
    San Antonio, TX (29 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

    $74,270

    MSRP $80,270

    Est. $1,371/mo

    South San Antonio Buick GMC

    4.0
    Check Availability
    San Antonio, TX (29 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

    $89,725

    $19K

    MSRP $85,730

    Est. $1,656/mo

    South San Antonio Buick GMC

    4.0
    Check Availability
    San Antonio, TX (29 mi)
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  • Summit White 2026 GMC Sierra 3500 SLE

    $77,665

    MSRP $78,665

    Est. $1,433/mo

    South San Antonio Buick GMC

    4.0
    Check Availability
    San Antonio, TX (29 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

    $97,184

    $775

    MSRP $97,959

    Est. $1,794/mo

    Group 1 Buick GMC South

    4.6
    Check Availability
    Free delivery from Houston, TX (228 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

    MSRP $98,454

    Est. $1,803/mo

    Group 1 Buick GMC South

    4.6
    Check Availability
    Free delivery from Houston, TX (228 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

    $94,495

    Est. $1,744/mo

    Ancira / Buick / GMC

    4.8
    Check Availability
    Boerne, TX (43 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

    $88,344

    $600
    Est. $1,630/mo

    Pursch Motors Inc

    4.9
    Check Availability
    Pleasanton, TX (33 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

    $83,265

    Est. $1,537/mo

    Ancira / Buick / GMC

    4.8
    Check Availability
    Boerne, TX (43 mi)
    Quick view
  • 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

    $80,940

    $1K
    Est. $1,494/mo

    Pursch Motors Inc

    4.9
    Check Availability
    Pleasanton, TX (33 mi)
    Quick view
  • 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

    $105,135

    Est. $1,940/mo

    Ancira / Buick / GMC

    4.8
    Check Availability
    Boerne, TX (43 mi)
    Quick view
  • 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

    $106,225

    Est. $1,960/mo

    Ancira / Buick / GMC

    4.8
    Check Availability
    Boerne, TX (43 mi)
    Quick view
  • 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

    $82,779

    $1K
    Est. $1,528/mo

    Pursch Motors Inc

    4.9
    Check Availability
    Pleasanton, TX (33 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

    $84,160

    Est. $1,553/mo

    Ancira / Buick / GMC

    4.8
    Check Availability
    Boerne, TX (43 mi)
    Quick view
  • 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

    $81,920

    $1K
    Est. $1,512/mo

    Cavender Buick GMC West

    4.5
    Check Availability
    San Antonio, TX (35 mi)
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  • Summit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLE

    $74,174

    $1.8K
    Est. $1,369/mo

    Pursch Motors Inc

    4.9
    Check Availability
    Pleasanton, TX (33 mi)
    Quick view
  • 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

    $84,760

    Est. $1,564/mo

    Ancira / Buick / GMC

    4.8
    Check Availability
    Boerne, TX (43 mi)
    Quick view
  • 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

    $85,760

    Est. $1,583/mo

    Ancira / Buick / GMC

    4.8
    Check Availability
    Boerne, TX (43 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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