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
  • 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

    $74,731

    $965

    MSRP $68,083

    Est. $1,366/mo

    Lighthouse Buick GMC

    5.0
    Check Availability
    Morton, IL (20 mi)
    Quick view
  • 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

    $64,712

    $465

    MSRP $69,300

    Est. $1,183/mo

    Lighthouse Buick GMC

    5.0
    Check Availability
    Morton, IL (20 mi)
    Quick view
  • 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

    $54,722

    MSRP $59,310

    Est. $1,001/mo

    Lighthouse Buick GMC

    5.0
    Check Availability
    Morton, IL (20 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

    $82,552

    MSRP $86,810

    Est. $1,509/mo

    Lighthouse Buick GMC

    5.0
    Check Availability
    Morton, IL (20 mi)
    Quick view
  • 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

    $74,461

    MSRP $64,073

    Est. $1,362/mo

    Lighthouse Buick GMC

    5.0
    Check Availability
    Morton, IL (20 mi)
    Quick view
  • 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

    $78,843

    MSRP $67,923

    Est. $1,442/mo

    Lighthouse Buick GMC

    5.0
    Check Availability
    Morton, IL (20 mi)
    Quick view
  • Cardinal Red 2026 GMC Sierra 3500 BaseCardinal Red 2026 GMC Sierra 3500 BaseCardinal Red 2026 GMC Sierra 3500 BaseCardinal Red 2026 GMC Sierra 3500 BaseCardinal Red 2026 GMC Sierra 3500 BaseCardinal Red 2026 GMC Sierra 3500 Base

    $70,144

    $465

    MSRP $65,974

    Est. $1,283/mo

    Lighthouse Buick GMC

    5.0
    Check Availability
    Morton, IL (20 mi)
    Quick view
  • 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

    $64,523

    $965

    MSRP $64,073

    Est. $1,180/mo

    Lighthouse Buick GMC

    5.0
    Check Availability
    Morton, IL (20 mi)
    Quick view
  • Summit White 2026 GMC Sierra 3500 Base

    $54,155

    $3.5K

    MSRP $58,743

    Est. $990/mo

    Lighthouse Buick GMC

    5.0
    Check Availability
    Morton, IL (20 mi)
    Quick view
  • Summit White 2026 GMC Sierra 3500 Base

    $54,155

    $3.5K

    MSRP $58,743

    Est. $990/mo

    Lighthouse Buick GMC

    5.0
    Check Availability
    Morton, IL (20 mi)
    Quick view
  • $60,285

    $4K

    MSRP $64,873

    Est. $1,102/mo

    Lighthouse Buick GMC

    5.0
    Check Availability
    Morton, IL (20 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

    $94,274

    Est. $1,724/mo

    Laura Buick GMC

    4.5
    Check Availability
    $300 delivery from Collinsville, IL (151 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

    $88,745

    Est. $1,623/mo

    Laura Buick GMC

    4.5
    Check Availability
    $300 delivery from Collinsville, IL (151 mi)
    Quick view
  • 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

    $90,339

    Est. $1,652/mo

    Heller Chevrolet GMC

    4.3
    Check Availability
    El Paso, IL (35 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

    $90,339

    Est. $1,652/mo

    Heller Chevrolet GMC

    4.3
    Check Availability
    El Paso, IL (35 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

    $75,239

    Est. $1,376/mo

    Heller Chevrolet GMC

    4.3
    Check Availability
    El Paso, IL (35 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:


Is the 2026 GMC Sierra 3500 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.

Is the 2026 GMC Sierra 3500 a good truck?

Below are the Cars.com consumer ratings for the 2026 GMC Sierra 3500.

(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
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

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)
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