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  • Summit White 2026 GMC Sierra 3500 ProSummit White 2026 GMC Sierra 3500 ProSummit White 2026 GMC Sierra 3500 ProSummit White 2026 GMC Sierra 3500 ProSummit White 2026 GMC Sierra 3500 ProSummit White 2026 GMC Sierra 3500 Pro

    $54,675

    MSRP $54,675

    Est. $988/mo

    Granite Run Buick GMC

    4.1
    Check Availability
    Media, PA (9 mi)
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  • Summit White 2026 GMC Sierra 3500 ProSummit White 2026 GMC Sierra 3500 ProSummit White 2026 GMC Sierra 3500 ProSummit White 2026 GMC Sierra 3500 ProSummit White 2026 GMC Sierra 3500 ProSummit White 2026 GMC Sierra 3500 Pro

    $55,905

    Est. $1,010/mo

    Bergey's Buick GMC

    4.6
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    Souderton, PA (19 mi)
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  • White 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 Pro

    $73,705

    MSRP $74,215

    Est. $1,332/mo

    Patriot Buick GMC

    4.7
    Check Availability
    Boyertown, PA (23 mi)
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  • White 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 Pro

    $73,970

    Est. $1,337/mo

    Star GMC of Quakertown

    4.2
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    Quakertown, PA (29 mi)
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  • White 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 Pro

    $69,320

    $1.5K
    Est. $1,253/mo

    Star GMC of Quakertown

    4.2
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    Quakertown, PA (29 mi)
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  • White 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 Pro

    $56,365

    Est. $1,019/mo

    Star GMC of Quakertown

    4.2
    Check Availability
    Quakertown, PA (29 mi)
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  • Red 2026 GMC Sierra 3500 Pro

    $56,108

    Est. $1,014/mo

    Star GMC of Quakertown

    4.2
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    Quakertown, PA (29 mi)
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  • White 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 Pro

    $54,235

    $1.5K
    Est. $980/mo

    Star GMC of Quakertown

    4.2
    Check Availability
    Quakertown, PA (29 mi)
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  • White 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 Pro

    $69,420

    $1.5K
    Est. $1,255/mo

    Star GMC of Quakertown

    4.2
    Check Availability
    Quakertown, PA (29 mi)
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  • White 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 Pro

    $83,480

    Est. $1,509/mo

    Star GMC of Quakertown

    4.2
    Check Availability
    Quakertown, PA (29 mi)
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  • White 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 Pro

    $74,970

    Est. $1,355/mo

    Star GMC of Quakertown

    4.2
    Check Availability
    Quakertown, PA (29 mi)
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  • White 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 Pro

    $77,928

    Est. $1,408/mo

    Star GMC of Quakertown

    4.2
    Check Availability
    Quakertown, PA (29 mi)
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  • White 2026 GMC Sierra 3500 Pro

    $55,613

    Est. $1,005/mo

    Star GMC of Quakertown

    4.2
    Check Availability
    Quakertown, PA (29 mi)
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  • White 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 Pro

    $56,365

    Est. $1,019/mo

    Star GMC of Quakertown

    4.2
    Check Availability
    Quakertown, PA (29 mi)
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  • Red 2026 GMC Sierra 3500 ProRed 2026 GMC Sierra 3500 ProRed 2026 GMC Sierra 3500 ProRed 2026 GMC Sierra 3500 ProRed 2026 GMC Sierra 3500 ProRed 2026 GMC Sierra 3500 Pro

    $69,815

    $1.5K
    Est. $1,262/mo

    Star GMC of Quakertown

    4.2
    Check Availability
    Quakertown, PA (29 mi)
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  • White 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 Pro

    $69,420

    $1.5K
    Est. $1,255/mo

    Star GMC of Quakertown

    4.2
    Check Availability
    Quakertown, PA (29 mi)
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  • Red 2026 GMC Sierra 3500 ProRed 2026 GMC Sierra 3500 ProRed 2026 GMC Sierra 3500 ProRed 2026 GMC Sierra 3500 ProRed 2026 GMC Sierra 3500 ProRed 2026 GMC Sierra 3500 Pro

    $56,960

    Est. $1,029/mo

    Star GMC of Quakertown

    4.2
    Check Availability
    Quakertown, PA (29 mi)
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  • White 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 Pro

    $72,980

    $1.5K
    Est. $1,319/mo

    Star GMC of Quakertown

    4.2
    Check Availability
    Quakertown, PA (29 mi)
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  • White 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 Pro

    $56,465

    Est. $1,020/mo

    Star GMC of Quakertown

    4.2
    Check Availability
    Quakertown, PA (29 mi)
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  • White 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 Pro

    $56,070

    Est. $1,013/mo

    Star GMC of Quakertown

    4.2
    Check Availability
    Quakertown, PA (29 mi)
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  • Red 2026 GMC Sierra 3500 ProRed 2026 GMC Sierra 3500 ProRed 2026 GMC Sierra 3500 ProRed 2026 GMC Sierra 3500 ProRed 2026 GMC Sierra 3500 ProRed 2026 GMC Sierra 3500 Pro

    $55,065

    Est. $995/mo

    Star GMC of Quakertown

    4.2
    Check Availability
    Quakertown, PA (29 mi)
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  • White 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 Pro

    $82,470

    Est. $1,490/mo

    Star GMC of Quakertown

    4.2
    Check Availability
    Quakertown, PA (29 mi)
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  • Red 2026 GMC Sierra 3500 ProRed 2026 GMC Sierra 3500 ProRed 2026 GMC Sierra 3500 ProRed 2026 GMC Sierra 3500 ProRed 2026 GMC Sierra 3500 ProRed 2026 GMC Sierra 3500 Pro

    $60,160

    Est. $1,087/mo

    Star GMC of Quakertown

    4.2
    Check Availability
    Quakertown, PA (29 mi)
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  • White 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 ProWhite 2026 GMC Sierra 3500 Pro

    $72,970

    Est. $1,319/mo

    Star GMC of Quakertown

    4.2
    Check Availability
    Quakertown, PA (29 mi)
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  • Summit White 2026 GMC Sierra 3500 ProSummit White 2026 GMC Sierra 3500 ProSummit White 2026 GMC Sierra 3500 ProSummit White 2026 GMC Sierra 3500 ProSummit White 2026 GMC Sierra 3500 ProSummit White 2026 GMC Sierra 3500 Pro

    $80,761

    Est. $1,460/mo

    Ewald Buick GMC of Menomonee Falls

    4.7
    Check Availability
    $516 delivery from Menomonee Falls, WI (689 mi)
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  • Onyx Black 2026 GMC Sierra 3500 ProOnyx Black 2026 GMC Sierra 3500 ProOnyx Black 2026 GMC Sierra 3500 ProOnyx Black 2026 GMC Sierra 3500 ProOnyx Black 2026 GMC Sierra 3500 ProOnyx Black 2026 GMC Sierra 3500 Pro

    $65,731

    Est. $1,188/mo

    Laura Buick GMC

    4.5
    Check Availability
    $1,568 delivery from Collinsville, IL (784 mi)
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About the 2026 GMC Sierra 3500 Pro

Basics

Pro shown.

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 Pro
FAQs

How much does the 2026 GMC Sierra 3500 Pro cost?

The 2026 GMC Sierra 3500 Pro price depends on optional features. Prices typically start at $48,200.

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

The 2026 GMC Sierra 3500 Pro compares to and/or competes against the following vehicles:


Is the 2026 GMC Sierra 3500 Pro reliable?

The 2026 GMC Sierra 3500 has an average reliability rating of 5 out of 5 according to Cars.com consumers. Find real-world reliability insights within consumer reviews from 2026 Sierra 3500 owners.

Ratings (1 review)

Rating breakdown (out of 5):
Comfort
3.0
Interior
5.0
Performance
5.0
Value
3.0
Exterior
5.0
Reliability
5.0
Trims

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)
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