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
  • Sterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 Denali

    $85,190

    MSRP $93,690

    Est. $1,554/mo

    Mandal Buick GMC Inc.

    4.6
    Check Availability
    D'lberville, MS (1 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

    $85,790

    MSRP $94,290

    Est. $1,565/mo

    Mandal Buick GMC Inc.

    4.6
    Check Availability
    D'lberville, MS (1 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

    $85,190

    MSRP $93,690

    Est. $1,554/mo

    Mandal Buick GMC Inc.

    4.6
    Check Availability
    D'lberville, MS (1 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

    $84,820

    MSRP $95,320

    Est. $1,547/mo

    Mandal Buick GMC Inc.

    4.6
    Check Availability
    D'lberville, MS (1 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

    $85,790

    MSRP $94,290

    Est. $1,565/mo

    Mandal Buick GMC Inc.

    4.6
    Check Availability
    D'lberville, MS (1 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

    $86,815

    MSRP $97,315

    Est. $1,584/mo

    Mandal Buick GMC Inc.

    4.6
    Check Availability
    D'lberville, MS (1 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

    $94,930

    MSRP $102,430

    Est. $1,732/mo

    Mandal Buick GMC Inc.

    4.6
    Check Availability
    D'lberville, MS (1 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

    $85,390

    MSRP $93,890

    Est. $1,558/mo

    Mandal Buick GMC Inc.

    4.6
    Check Availability
    D'lberville, MS (1 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

    $85,790

    MSRP $94,290

    Est. $1,565/mo

    Mandal Buick GMC Inc.

    4.6
    Check Availability
    D'lberville, MS (1 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

    $85,990

    MSRP $94,490

    Est. $1,569/mo

    Mandal Buick GMC Inc.

    4.6
    Check Availability
    D'lberville, MS (1 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

    $85,790

    MSRP $94,290

    Est. $1,565/mo

    Mandal Buick GMC Inc.

    4.6
    Check Availability
    D'lberville, MS (1 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

    $85,790

    MSRP $94,290

    Est. $1,565/mo

    Mandal Buick GMC Inc.

    4.6
    Check Availability
    D'lberville, MS (1 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

    $68,255

    MSRP $63,760

    Est. $1,245/mo

    Mandal Buick GMC Inc.

    4.6
    Check Availability
    D'lberville, MS (1 mi)
    Quick view
  • Sterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 Denali

    $85,190

    MSRP $93,690

    Est. $1,554/mo

    Mandal Buick GMC Inc.

    4.6
    Check Availability
    D'lberville, MS (1 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

    $85,190

    MSRP $93,690

    Est. $1,554/mo

    Mandal Buick GMC Inc.

    4.6
    Check Availability
    D'lberville, MS (1 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

    $85,190

    MSRP $93,690

    Est. $1,554/mo

    Mandal Buick GMC Inc.

    4.6
    Check Availability
    D'lberville, MS (1 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

    $85,190

    MSRP $93,690

    Est. $1,554/mo

    Mandal Buick GMC Inc.

    4.6
    Check Availability
    D'lberville, MS (1 mi)
    Quick view
  • Sterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 Denali

    $85,190

    MSRP $93,690

    Est. $1,554/mo

    Mandal Buick GMC Inc.

    4.6
    Check Availability
    D'lberville, MS (1 mi)
    Quick view
  • Sterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 Denali

    $85,190

    MSRP $93,690

    Est. $1,554/mo

    Mandal Buick GMC Inc.

    4.6
    Check Availability
    D'lberville, MS (1 mi)
    Quick view
  • Sterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 Denali

    $85,190

    MSRP $93,690

    Est. $1,554/mo

    Mandal Buick GMC Inc.

    4.6
    Check Availability
    D'lberville, MS (1 mi)
    Quick view
  • Sterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 Denali

    $85,190

    MSRP $93,690

    Est. $1,554/mo

    Mandal Buick GMC Inc.

    4.6
    Check Availability
    D'lberville, MS (1 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

    $85,190

    MSRP $93,690

    Est. $1,554/mo

    Mandal Buick GMC Inc.

    4.6
    Check Availability
    D'lberville, MS (1 mi)
    Quick view
  • 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

    $82,315

    MSRP $89,815

    Est. $1,502/mo

    James Wood Motors, Inc

    4.8
    Check Availability
    $817 delivery from Decatur, TX (545 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

    $81,785

    MSRP $89,015

    Est. $1,492/mo

    James Wood Motors, Inc

    4.8
    Check Availability
    $817 delivery from Decatur, TX (545 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 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 Reg Cab 142" SLE 4WD Double Cab 162" SLE 4WD Crew Cab 172" SLE 4WD Crew Cab 159" SLE
Inventory price
Starting at $55,200 Starting at $57,500 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

Research the 2026 GMC Sierra 3500

Compare the 2026 GMC Sierra 3500

2026 GMC Sierra 3500 by city

GMC Sierra 3500 trims

2026 GMC Sierra 3500 by cab style