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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

    $65,858

    $1K
    Est. $1,163/mo

    Laura Buick GMC

    4.5
    Collinsville, IL (20 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

    $83,673

    Est. $1,478/mo

    Lou Fusz Buick GMC

    4.4
    St. Louis, MO (11 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

    $76,123

    Est. $1,345/mo

    Lou Fusz Buick GMC

    4.4
    St. Louis, MO (11 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

    $53,113

    $1K

    MSRP $57,030

    Est. $938/mo

    Dave Sinclair Buick GMC

    4.9
    Saint Louis, MO (3 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

    $91,422

    Est. $1,615/mo

    Lou Fusz Buick GMC

    4.4
    St. Louis, MO (11 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

    $83,673

    Est. $1,478/mo

    Lou Fusz Buick GMC

    4.4
    St. Louis, MO (11 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

    $86,575

    Est. $1,529/mo

    Lou Fusz Buick GMC

    4.4
    St. Louis, MO (11 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

    $73,518

    Est. $1,299/mo

    Lou Fusz Buick GMC

    4.4
    St. Louis, MO (11 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

    $83,280

    Est. $1,471/mo

    Lou Fusz Buick GMC

    4.4
    St. Louis, MO (11 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

    $83,673

    Est. $1,478/mo

    Lou Fusz Buick GMC

    4.4
    St. Louis, MO (11 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

    $90,005

    Est. $1,590/mo

    Lou Fusz Buick GMC

    4.4
    St. Louis, MO (11 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

    $90,016

    Est. $1,590/mo

    Lou Fusz Buick GMC

    4.4
    St. Louis, MO (11 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

    $79,413

    Est. $1,403/mo

    Lou Fusz Buick GMC

    4.4
    St. Louis, MO (11 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

    $87,123

    Est. $1,539/mo

    Lou Fusz Buick GMC

    4.4
    St. Louis, MO (11 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

    $83,910

    Est. $1,482/mo

    Lou Fusz Buick GMC

    4.4
    St. Louis, MO (11 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

    $93,832

    Est. $1,657/mo

    Lou Fusz Buick GMC

    4.4
    St. Louis, MO (11 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

    $99,268

    Est. $1,753/mo

    Lou Fusz Buick GMC

    4.4
    St. Louis, MO (11 mi)
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  • Summit White 2026 GMC Sierra 3500 Pro

    $73,733

    Est. $1,302/mo

    Lou Fusz Buick GMC

    4.4
    St. Louis, MO (11 mi)
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  • Summit White 2026 GMC Sierra 3500 Pro

    $69,593

    Est. $1,229/mo

    Lou Fusz Buick GMC

    4.4
    St. Louis, MO (11 mi)
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  • Summit White 2026 GMC Sierra 3500 Pro

    $69,593

    Est. $1,229/mo

    Lou Fusz Buick GMC

    4.4
    St. Louis, MO (11 mi)
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  • Summit White 2026 GMC Sierra 3500 Pro

    $79,431

    Est. $1,403/mo

    Lou Fusz Buick GMC

    4.4
    St. Louis, MO (11 mi)
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  • Summit White 2026 GMC Sierra 3500 Pro

    $73,233

    Est. $1,294/mo

    Lou Fusz Buick GMC

    4.4
    St. Louis, MO (11 mi)
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  • $79,431

    Est. $1,403/mo

    Lou Fusz Buick GMC

    4.4
    St. Louis, MO (11 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. $1,427/mo

    Ewald Buick GMC of Menomonee Falls

    4.7
    $299 delivery from Menomonee Falls, WI (341 mi)
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  • Sterling Metallic 2026 GMC Sierra 3500 Base

    $52,662

    $6K

    MSRP $58,340

    Est. $930/mo

    Woody Buick GMC of Gurnee

    5.0
    $439 delivery from Gurnee, IL (293 mi)
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  • White 2026 GMC Sierra 3500 BaseWhite 2026 GMC Sierra 3500 BaseWhite 2026 GMC Sierra 3500 BaseWhite 2026 GMC Sierra 3500 BaseWhite 2026 GMC Sierra 3500 BaseWhite 2026 GMC Sierra 3500 Base

    $60,565

    Est. $1,070/mo

    Bob Brady Buick GMC

    4.9
    Forsyth, IL (120 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

    $66,440

    $1K
    Est. $1,174/mo

    Autry Morlan Inc.

    4.2
    Sikeston, MO (123 mi)
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  • Sterling 2026 GMC Sierra 3500 BaseSterling 2026 GMC Sierra 3500 BaseSterling 2026 GMC Sierra 3500 BaseSterling 2026 GMC Sierra 3500 BaseSterling 2026 GMC Sierra 3500 BaseSterling 2026 GMC Sierra 3500 Base

    $66,440

    $1K
    Est. $1,174/mo

    Autry Morlan Inc.

    4.2
    Sikeston, MO (123 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

    $66,716

    $1K
    Est. $1,178/mo

    Autry Morlan Inc.

    4.2
    Sikeston, MO (123 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

    $65,394

    $1K
    Est. $1,155/mo

    Autry Morlan Inc.

    4.2
    Sikeston, MO (123 mi)
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  • Summit White 2026 GMC Sierra 3500 Base

    $56,158

    MSRP $57,130

    Est. $992/mo

    Frank Leta Buick GMC

    4.1
    Cape Girardeau, MO (97 mi)
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  • Sterling 2026 GMC Sierra 3500 ProSterling 2026 GMC Sierra 3500 ProSterling 2026 GMC Sierra 3500 ProSterling 2026 GMC Sierra 3500 ProSterling 2026 GMC Sierra 3500 ProSterling 2026 GMC Sierra 3500 Pro

    $55,422

    Est. $979/mo

    Poage Auto Plaza, Inc.

    Quincy, IL (111 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

    $57,927

    Est. $1,023/mo

    Poage Auto Plaza, Inc.

    Quincy, IL (111 mi)
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  • Cardinal Red 2026 GMC Sierra 3500 Pro

    $67,110

    Est. $1,185/mo

    Poage Auto Plaza, Inc.

    Quincy, IL (111 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 4.5 out of 5 according to Cars.com consumers. Find real-world reliability insights within consumer reviews from 2026 Sierra 3500 owners.

Ratings (2 reviews)

50% of drivers recommend this car

Rating breakdown (out of 5):
Comfort
4.0
Interior
4.0
Performance
4.5
Value
3.5
Exterior
5.0
Reliability
4.5
Trims

Pro (8 styles)

Style
4WD Double Cab 162" Pro 2WD Double Cab 162" Pro 2WD Crew Cab 159" Pro 4WD Crew Cab 159" Pro 2WD Crew Cab 172" Pro 4WD Crew Cab 172" Pro 2WD Reg Cab 142" Pro 4WD Reg Cab 142" Pro
Inventory price
Starting at $53,100 Starting at $50,300 Starting at $51,900 Starting at $54,700 Starting at $52,100 Starting at $54,900 Starting at $48,200 Starting at $51,000
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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2026 GMC Sierra 3500 Pro by city

GMC Sierra 3500 trims