Skip to main content
Best match Lowest price Highest price Lowest mileage Highest mileage Nearest location Best deal Newest year Oldest year Newest listed Oldest listed
Skip to Filters
  • 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

    $83,242

    $500
    Est. $1,513/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (28 mi)
    Quick view
  • Onyx Black 2026 GMC Sierra 3500 SLTOnyx Black 2026 GMC Sierra 3500 SLTOnyx Black 2026 GMC Sierra 3500 SLTOnyx Black 2026 GMC Sierra 3500 SLTOnyx Black 2026 GMC Sierra 3500 SLTOnyx Black 2026 GMC Sierra 3500 SLT

    $76,027

    $500
    Est. $1,382/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (28 mi)
    Quick view
  • 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

    $96,757

    $500
    Est. $1,758/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (28 mi)
    Quick view
  • Titanium Rush Metallic 2026 GMC Sierra 3500 SLTTitanium Rush Metallic 2026 GMC Sierra 3500 SLTTitanium Rush Metallic 2026 GMC Sierra 3500 SLTTitanium Rush Metallic 2026 GMC Sierra 3500 SLTTitanium Rush Metallic 2026 GMC Sierra 3500 SLTTitanium Rush Metallic 2026 GMC Sierra 3500 SLT

    $80,903

    $500
    Est. $1,470/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (28 mi)
    Quick view
  • 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

    $72,444

    $500
    Est. $1,317/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (28 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

    $80,451

    $500
    Est. $1,462/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (28 mi)
    Quick view
  • 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

    $104,910

    $500
    Est. $1,907/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (28 mi)
    Quick view
  • Titanium Rush Metallic 2026 GMC Sierra 3500 DenaliTitanium Rush Metallic 2026 GMC Sierra 3500 DenaliTitanium Rush Metallic 2026 GMC Sierra 3500 DenaliTitanium Rush Metallic 2026 GMC Sierra 3500 DenaliTitanium Rush Metallic 2026 GMC Sierra 3500 DenaliTitanium Rush Metallic 2026 GMC Sierra 3500 Denali

    $88,205

    $500
    Est. $1,603/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (28 mi)
    Quick view
  • 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

    $71,495

    $500
    Est. $1,299/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (28 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

    $79,495

    $500
    Est. $1,445/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (28 mi)
    Quick view
  • 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

    $56,619

    $3.5K
    Est. $1,029/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (28 mi)
    Quick view
  • 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

    $64,815

    $1.5K
    Est. $1,178/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (28 mi)
    Quick view
  • 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

    $68,726

    $500
    Est. $1,249/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (28 mi)
    Quick view
  • 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

    $79,922

    $3.5K
    Est. $1,453/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (28 mi)
    Quick view
  • 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

    $80,130

    $500
    Est. $1,456/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (28 mi)
    Quick view
  • Glacier White 2026 GMC Sierra 3500 SLTGlacier White 2026 GMC Sierra 3500 SLTGlacier White 2026 GMC Sierra 3500 SLTGlacier White 2026 GMC Sierra 3500 SLTGlacier White 2026 GMC Sierra 3500 SLTGlacier White 2026 GMC Sierra 3500 SLT

    $80,333

    $3.5K
    Est. $1,460/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (28 mi)
    Quick view
  • Titanium Rush Metallic 2026 GMC Sierra 3500 SLETitanium Rush Metallic 2026 GMC Sierra 3500 SLETitanium Rush Metallic 2026 GMC Sierra 3500 SLETitanium Rush Metallic 2026 GMC Sierra 3500 SLETitanium Rush Metallic 2026 GMC Sierra 3500 SLETitanium Rush Metallic 2026 GMC Sierra 3500 SLE

    $68,914

    $500
    Est. $1,252/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (28 mi)
    Quick view
  • Sterling 2026 GMC Sierra 3500 AT4Sterling 2026 GMC Sierra 3500 AT4Sterling 2026 GMC Sierra 3500 AT4Sterling 2026 GMC Sierra 3500 AT4Sterling 2026 GMC Sierra 3500 AT4Sterling 2026 GMC Sierra 3500 AT4

    $84,495

    $3.6K
    Est. $1,536/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (28 mi)
    Quick view
  • 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

    $85,495

    $500
    Est. $1,554/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (28 mi)
    Quick view
  • Onyx Black 2026 GMC Sierra 3500 SLTOnyx Black 2026 GMC Sierra 3500 SLTOnyx Black 2026 GMC Sierra 3500 SLTOnyx Black 2026 GMC Sierra 3500 SLTOnyx Black 2026 GMC Sierra 3500 SLTOnyx Black 2026 GMC Sierra 3500 SLT

    $69,438

    $500
    Est. $1,262/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (28 mi)
    Quick view
  • 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

    $76,495

    $500
    Est. $1,390/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (28 mi)
    Quick view
  • Titanium Rush Metallic 2026 GMC Sierra 3500 SLETitanium Rush Metallic 2026 GMC Sierra 3500 SLETitanium Rush Metallic 2026 GMC Sierra 3500 SLETitanium Rush Metallic 2026 GMC Sierra 3500 SLETitanium Rush Metallic 2026 GMC Sierra 3500 SLETitanium Rush Metallic 2026 GMC Sierra 3500 SLE

    $68,726

    $500
    Est. $1,249/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (28 mi)
    Quick view
  • 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

    $90,000

    34,219 mi.
    Est. $1,636/mo

    Fairway Ford

    4.8
    Check Availability
    $1,528 delivery from Canfield, OH (510 mi)
    Quick view
  • 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

    $73,500

    $500

    MSRP $84,425

    Est. $1,336/mo

    Woody Buick GMC of Gurnee

    5.0
    Check Availability
    $439 delivery from Gurnee, IL (293 mi)
    Quick view

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 159" Denali Ultimate 4WD Crew Cab 172" Denali Ultimate
Inventory price
Starting at $97,600 Starting at $97,800
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 Crew Cab 172" Pro 2WD Crew Cab 172" Pro 2WD Crew Cab 159" Pro 4WD Crew Cab 159" Pro 4WD Double Cab 162" Pro 2WD Double Cab 162" Pro 4WD Reg Cab 142" Pro 2WD Reg Cab 142" Pro
Inventory price
Starting at $54,900 Starting at $52,100 Starting at $51,900 Starting at $54,700 Starting at $53,100 Starting at $50,300 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 Crew Cab 172" SLE 4WD Crew Cab 159" SLE 4WD Double Cab 162" SLE 4WD Reg Cab 142" SLE
Inventory price
Starting at $59,300 Starting at $59,100 Starting at $57,500 Starting at $55,200
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)
Skip to Listings
Best match Lowest price Highest price Lowest mileage Highest mileage Nearest location Best deal Newest year Oldest year Newest listed Oldest listed

Similar Cars

Research the 2026 GMC Sierra 3500

2026 GMC Sierra 3500 by city

2026 GMC Sierra 3500 by cab style