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

    $77,347

    MSRP $82,215

    Est. $1,431/mo

    Walser Buick GMC Bloomington

    4.2
    Check Availability
    Bloomington, MN (22 mi)

    Quick view
  • Sterling Metallic 2026 GMC Sierra 3500 AT4Sterling Metallic 2026 GMC Sierra 3500 AT4Sterling Metallic 2026 GMC Sierra 3500 AT4Sterling Metallic 2026 GMC Sierra 3500 AT4Sterling Metallic 2026 GMC Sierra 3500 AT4Sterling Metallic 2026 GMC Sierra 3500 AT4

    $76,876

    MSRP $81,920

    Est. $1,422/mo

    Walser Buick GMC Bloomington

    4.2
    Check Availability
    Bloomington, MN (22 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

    $85,410

    $1.9K
    Est. $1,580/mo

    West Metro Buick GMC

    5.0
    Check Availability
    Monticello, MN (22 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

    $91,310

    Est. $1,689/mo

    Luther Brookdale Chevrolet

    4.5
    Check Availability
    BROOKLYN CENTER, MN (7 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

    $86,911

    $1K

    MSRP $94,540

    Est. $1,608/mo

    McCarthy Auto World

    4.2
    Check Availability
    Coon Rapids, MN (4 mi)
    Quick view
  • Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4

    $80,029

    5,358 mi.
    Est. $1,481/mo

    Forest Lake Ford

    4.4
    Check Availability
    Forest Lake, MN (21 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

    $84,897

    MSRP $92,405

    Est. $1,571/mo

    Walser Buick GMC Bloomington

    4.2
    Check Availability
    Bloomington, MN (22 mi)
    Quick view
  • Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4

    $83,690

    MSRP $91,060

    Est. $1,548/mo

    Walser Buick GMC Bloomington

    4.2
    Check Availability
    Bloomington, MN (22 mi)

    Quick view
  • Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4

    $84,383

    MSRP $91,815

    Est. $1,561/mo

    Walser Buick GMC Roseville

    4.2
    Check Availability
    Roseville, MN (14 mi)
    Quick view
  • Sterling Metallic 2026 GMC Sierra 3500 AT4Sterling Metallic 2026 GMC Sierra 3500 AT4Sterling Metallic 2026 GMC Sierra 3500 AT4Sterling Metallic 2026 GMC Sierra 3500 AT4Sterling Metallic 2026 GMC Sierra 3500 AT4Sterling Metallic 2026 GMC Sierra 3500 AT4

    $76,915

    Est. $1,423/mo

    West Metro Buick GMC

    5.0
    Check Availability
    Monticello, MN (22 mi)
    Quick view
  • Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4

    $77,112

    $6.7K

    MSRP $83,510

    Est. $1,427/mo

    McCarthy Auto World

    4.2
    Check Availability
    Coon Rapids, MN (4 mi)
    Quick view
  • Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4

    $84,855

    $1.9K
    Est. $1,570/mo

    West Metro Buick GMC

    5.0
    Check Availability
    Monticello, MN (22 mi)
    Quick view
  • Sterling Metallic 2026 GMC Sierra 3500 AT4Sterling Metallic 2026 GMC Sierra 3500 AT4Sterling Metallic 2026 GMC Sierra 3500 AT4Sterling Metallic 2026 GMC Sierra 3500 AT4Sterling Metallic 2026 GMC Sierra 3500 AT4Sterling Metallic 2026 GMC Sierra 3500 AT4

    $85,910

    Est. $1,590/mo

    West Metro Buick GMC

    5.0
    Check Availability
    Monticello, MN (22 mi)
    Quick view
  • Coastal Dune 2026 GMC Sierra 3500 AT4Coastal Dune 2026 GMC Sierra 3500 AT4Coastal Dune 2026 GMC Sierra 3500 AT4Coastal Dune 2026 GMC Sierra 3500 AT4Coastal Dune 2026 GMC Sierra 3500 AT4Coastal Dune 2026 GMC Sierra 3500 AT4

    $77,457

    MSRP $81,920

    Est. $1,433/mo

    Walser Buick GMC Bloomington

    4.2
    Check Availability
    Bloomington, MN (22 mi)

    Quick view
  • Coastal Dune 2026 GMC Sierra 3500 AT4Coastal Dune 2026 GMC Sierra 3500 AT4Coastal Dune 2026 GMC Sierra 3500 AT4Coastal Dune 2026 GMC Sierra 3500 AT4Coastal Dune 2026 GMC Sierra 3500 AT4Coastal Dune 2026 GMC Sierra 3500 AT4

    $91,310

    Est. $1,689/mo

    Luther Brookdale Chevrolet

    4.5
    Check Availability
    BROOKLYN CENTER, MN (7 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

    $77,731

    MSRP $82,215

    Est. $1,438/mo

    Walser Buick GMC Bloomington

    4.2
    Check Availability
    Bloomington, MN (22 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

    $92,975

    $1K
    Est. $1,720/mo

    Lupient Buick GMC

    4.0
    Check Availability
    Golden Valley, MN (14 mi)
    Quick view
  • Titanium Rush Metallic 2026 GMC Sierra 3500 AT4Titanium Rush Metallic 2026 GMC Sierra 3500 AT4Titanium Rush Metallic 2026 GMC Sierra 3500 AT4Titanium Rush Metallic 2026 GMC Sierra 3500 AT4Titanium Rush Metallic 2026 GMC Sierra 3500 AT4Titanium Rush Metallic 2026 GMC Sierra 3500 AT4

    $91,310

    Est. $1,689/mo

    Luther Brookdale Chevrolet

    4.5
    Check Availability
    BROOKLYN CENTER, MN (7 mi)
    Quick view
  • Titanium Rush Metallic 2026 GMC Sierra 3500 AT4Titanium Rush Metallic 2026 GMC Sierra 3500 AT4Titanium Rush Metallic 2026 GMC Sierra 3500 AT4Titanium Rush Metallic 2026 GMC Sierra 3500 AT4Titanium Rush Metallic 2026 GMC Sierra 3500 AT4Titanium Rush Metallic 2026 GMC Sierra 3500 AT4

    $86,921

    $1K

    MSRP $93,995

    Est. $1,608/mo

    McCarthy Auto World

    4.2
    Check Availability
    Coon Rapids, MN (4 mi)
    Quick view
  • Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4

    $77,255

    MSRP $81,720

    Est. $1,429/mo

    Walser Buick GMC Bloomington

    4.2
    Check Availability
    Bloomington, MN (22 mi)

    Quick view
  • Sterling Metallic 2026 GMC Sierra 3500 AT4Sterling Metallic 2026 GMC Sierra 3500 AT4Sterling Metallic 2026 GMC Sierra 3500 AT4Sterling Metallic 2026 GMC Sierra 3500 AT4Sterling Metallic 2026 GMC Sierra 3500 AT4Sterling Metallic 2026 GMC Sierra 3500 AT4

    $74,870

    Est. $1,385/mo

    West Metro Buick GMC

    5.0
    Check Availability
    Monticello, MN (22 mi)
    Quick view
  • Titanium Rush Metallic 2026 GMC Sierra 3500 AT4Titanium Rush Metallic 2026 GMC Sierra 3500 AT4Titanium Rush Metallic 2026 GMC Sierra 3500 AT4Titanium Rush Metallic 2026 GMC Sierra 3500 AT4Titanium Rush Metallic 2026 GMC Sierra 3500 AT4Titanium Rush Metallic 2026 GMC Sierra 3500 AT4

    $84,898

    MSRP $92,405

    Est. $1,571/mo

    Walser Buick GMC Roseville

    4.2
    Check Availability
    Roseville, MN (14 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

    $75,120

    $4K
    Est. $1,390/mo

    Lupient Buick GMC

    4.0
    Check Availability
    Golden Valley, MN (14 mi)
    Quick view
  • Coastal Dune 2026 GMC Sierra 3500 AT4Coastal Dune 2026 GMC Sierra 3500 AT4Coastal Dune 2026 GMC Sierra 3500 AT4Coastal Dune 2026 GMC Sierra 3500 AT4Coastal Dune 2026 GMC Sierra 3500 AT4Coastal Dune 2026 GMC Sierra 3500 AT4

    $85,929

    MSRP $93,000

    Est. $1,590/mo

    McCarthy Auto World

    4.2
    Check Availability
    Coon Rapids, MN (4 mi)
    Quick view
  • Black 2026 GMC Sierra 3500 AT4Black 2026 GMC Sierra 3500 AT4Black 2026 GMC Sierra 3500 AT4Black 2026 GMC Sierra 3500 AT4Black 2026 GMC Sierra 3500 AT4Black 2026 GMC Sierra 3500 AT4

    $85,227

    $1K
    Est. $1,577/mo

    Mauer GMC

    4.8
    Check Availability
    Inver Grove Heights, MN (25 mi)
    Quick view
  • Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4

    $86,060

    Est. $1,592/mo

    West Metro Buick GMC

    5.0
    Check Availability
    Monticello, MN (22 mi)
    Quick view
  • Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4

    $84,855

    Est. $1,570/mo

    West Metro Buick GMC

    5.0
    Check Availability
    Monticello, MN (22 mi)
    Quick view
  • Sterling Metallic 2026 GMC Sierra 3500 AT4Sterling Metallic 2026 GMC Sierra 3500 AT4Sterling Metallic 2026 GMC Sierra 3500 AT4Sterling Metallic 2026 GMC Sierra 3500 AT4Sterling Metallic 2026 GMC Sierra 3500 AT4Sterling Metallic 2026 GMC Sierra 3500 AT4

    $72,912

    MSRP $81,320

    Est. $1,349/mo

    Woody Buick GMC Naperville

    4.9
    Check Availability
    $351 delivery from Naperville, IL (352 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

    $84,276

    Est. $1,559/mo

    Laura Buick GMC

    4.5
    Check Availability
    $960 delivery from Collinsville, IL (481 mi)
    Quick view

About the 2026 GMC Sierra 3500 AT4

Basics

AT4 shown.

Seating
5
Door count
4
Drivetrain
Four 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 AT4
FAQs

How much does the 2026 GMC Sierra 3500 AT4 cost?

The 2026 GMC Sierra 3500 AT4 price depends on optional features. Prices typically start at $73,400.

What are some similar vehicles and competitors of the 2026 GMC Sierra 3500 AT4?

The 2026 GMC Sierra 3500 AT4 compares to and/or competes against the following vehicles:


Is the 2026 GMC Sierra 3500 AT4 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

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)
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

2026 GMC Sierra 3500 AT4 by city

GMC Sierra 3500 trims