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 2500 AT4XSterling Metallic 2026 GMC Sierra 2500 AT4XSterling Metallic 2026 GMC Sierra 2500 AT4XSterling Metallic 2026 GMC Sierra 2500 AT4XSterling Metallic 2026 GMC Sierra 2500 AT4XSterling Metallic 2026 GMC Sierra 2500 AT4X

    $92,025

    Est. $1,694/mo

    Colonial Buick GMC

    4.6
    Check Availability
    Loganville, GA (22 mi)

    Quick view
  • Summit White 2026 GMC Sierra 2500 AT4XSummit White 2026 GMC Sierra 2500 AT4XSummit White 2026 GMC Sierra 2500 AT4XSummit White 2026 GMC Sierra 2500 AT4XSummit White 2026 GMC Sierra 2500 AT4XSummit White 2026 GMC Sierra 2500 AT4X

    $91,530

    Est. $1,685/mo

    Colonial Buick GMC

    4.6
    Check Availability
    Loganville, GA (22 mi)

    Quick view
  • Summit White 2026 GMC Sierra 2500 AT4XSummit White 2026 GMC Sierra 2500 AT4XSummit White 2026 GMC Sierra 2500 AT4XSummit White 2026 GMC Sierra 2500 AT4XSummit White 2026 GMC Sierra 2500 AT4XSummit White 2026 GMC Sierra 2500 AT4X

    $95,270

    $6K
    Est. $1,754/mo

    Rick Hendrick Buick GMC

    4.8
    Check Availability
    Duluth, GA (12 mi)
    Quick view
  • Sterling Metallic 2026 GMC Sierra 2500 AT4XSterling Metallic 2026 GMC Sierra 2500 AT4XSterling Metallic 2026 GMC Sierra 2500 AT4XSterling Metallic 2026 GMC Sierra 2500 AT4XSterling Metallic 2026 GMC Sierra 2500 AT4XSterling Metallic 2026 GMC Sierra 2500 AT4X

    $95,765

    $6K
    Est. $1,763/mo

    Rick Hendrick Buick GMC

    4.8
    Check Availability
    Duluth, GA (12 mi)
    Quick view
  • Onyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4X

    $95,765

    $6K
    Est. $1,763/mo

    Rick Hendrick Buick GMC

    4.8
    Check Availability
    Duluth, GA (12 mi)
    Quick view
  • Summit White 2026 GMC Sierra 2500 AT4XSummit White 2026 GMC Sierra 2500 AT4XSummit White 2026 GMC Sierra 2500 AT4XSummit White 2026 GMC Sierra 2500 AT4XSummit White 2026 GMC Sierra 2500 AT4XSummit White 2026 GMC Sierra 2500 AT4X

    $95,270

    $6K
    Est. $1,754/mo

    Rick Hendrick Buick GMC

    4.8
    Check Availability
    Duluth, GA (12 mi)
    Quick view
  • Onyx Black 2026 GMC Sierra 2500 AT4X

    $95,765

    $3.2K
    Est. $1,763/mo

    Rick Hendrick Buick GMC

    4.8
    Check Availability
    Duluth, GA (12 mi)
    Quick view
  • Volcanic Red Tintcoat 2026 GMC Sierra 2500 AT4XVolcanic Red Tintcoat 2026 GMC Sierra 2500 AT4XVolcanic Red Tintcoat 2026 GMC Sierra 2500 AT4XVolcanic Red Tintcoat 2026 GMC Sierra 2500 AT4XVolcanic Red Tintcoat 2026 GMC Sierra 2500 AT4XVolcanic Red Tintcoat 2026 GMC Sierra 2500 AT4X

    $92,175

    Est. $1,697/mo

    Colonial Buick GMC

    4.6
    Check Availability
    Loganville, GA (22 mi)

    Quick view
  • Onyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4X

    $87,500

    3,209 mi.
    Est. $1,611/mo

    Grand Motorcars

    3.2
    Check Availability
    Marietta, GA (13 mi)
    Quick view
  • Onyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4X

    $95,765

    $6K
    Est. $1,763/mo

    Rick Hendrick Buick GMC

    4.8
    Check Availability
    Duluth, GA (12 mi)
    Quick view
  • Summit White 2026 GMC Sierra 2500 AT4XSummit White 2026 GMC Sierra 2500 AT4XSummit White 2026 GMC Sierra 2500 AT4XSummit White 2026 GMC Sierra 2500 AT4XSummit White 2026 GMC Sierra 2500 AT4XSummit White 2026 GMC Sierra 2500 AT4X

    $95,270

    $6K
    Est. $1,754/mo

    Rick Hendrick Buick GMC

    4.8
    Check Availability
    Duluth, GA (12 mi)
    Quick view
  • Coastal Dune 2026 GMC Sierra 2500 AT4XCoastal Dune 2026 GMC Sierra 2500 AT4XCoastal Dune 2026 GMC Sierra 2500 AT4XCoastal Dune 2026 GMC Sierra 2500 AT4XCoastal Dune 2026 GMC Sierra 2500 AT4XCoastal Dune 2026 GMC Sierra 2500 AT4X

    $129,988

    434 mi.
    Est. $2,393/mo

    Mall of Georgia MINI

    4.9
    Check Availability
    Buford, GA (23 mi)
    Quick view
  • Onyx Black 2026 GMC Sierra 2500 AT4X

    $96,641

    MSRP $108,790

    Est. $1,779/mo

    Hardy Chevrolet GMC

    4.6
    Check Availability
    Dallas, GA (28 mi)
    Quick view
  • Sterling Metallic 2026 GMC Sierra 2500 AT4X

    $92,025

    $7K
    Est. $1,694/mo

    Colonial Buick GMC

    4.6
    Check Availability
    Loganville, GA (22 mi)

    Quick view
  • Volcanic Red 2026 GMC Sierra 2500 AT4X

    $96,775

    MSRP $108,940

    Est. $1,782/mo

    Hardy Chevrolet GMC

    4.6
    Check Availability
    Dallas, GA (28 mi)
    Quick view
  • Dune 2026 GMC Sierra 2500 AT4X

    $88,213

    $1K

    MSRP $99,400

    Est. $1,624/mo

    Hardy Chevrolet GMC

    4.6
    Check Availability
    Dallas, GA (28 mi)
    Quick view
  • Onyx Black 2026 GMC Sierra 2500 AT4X

    $87,877

    MSRP $99,025

    Est. $1,618/mo

    Hardy Chevrolet GMC

    4.6
    Check Availability
    Dallas, GA (28 mi)
    Quick view
  • Onyx Black 2026 GMC Sierra 2500 AT4X

    $96,641

    MSRP $108,790

    Est. $1,779/mo

    Hardy Chevrolet GMC

    4.6
    Check Availability
    Dallas, GA (28 mi)
    Quick view
  • $87,877

    MSRP $99,025

    Est. $1,618/mo

    Hardy Chevrolet GMC

    4.6
    Check Availability
    Dallas, GA (28 mi)
    Quick view
  • Volcanic Red Tintcoat 2026 GMC Sierra 2500 AT4X

    $92,175

    Est. $1,697/mo

    Colonial Buick GMC

    4.6
    Check Availability
    Loganville, GA (22 mi)

    Quick view
  • Onyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4X

    $89,599

    $400
    4,676 mi.
    Est. $1,650/mo

    Jimmy Britt Chevrolet

    4.3
    Check Availability
    $399 delivery from Greensboro, GA (67 mi)
    Quick view
  • Sterling 2026 GMC Sierra 2500 AT4XSterling 2026 GMC Sierra 2500 AT4XSterling 2026 GMC Sierra 2500 AT4XSterling 2026 GMC Sierra 2500 AT4XSterling 2026 GMC Sierra 2500 AT4XSterling 2026 GMC Sierra 2500 AT4X

    $90,677

    $1K
    Est. $1,670/mo

    Laura Buick GMC

    4.6
    Check Availability
    $920 delivery from Collinsville, IL (460 mi)
    Quick view
  • Onyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4X

    $92,025

    Est. $1,694/mo

    Southtowne Chevrolet Cadillac Buick GMC

    3.9
    Check Availability
    Newnan, GA (44 mi)
    Quick view
  • Volcanic Red 2026 GMC Sierra 2500 AT4XVolcanic Red 2026 GMC Sierra 2500 AT4XVolcanic Red 2026 GMC Sierra 2500 AT4XVolcanic Red 2026 GMC Sierra 2500 AT4XVolcanic Red 2026 GMC Sierra 2500 AT4XVolcanic Red 2026 GMC Sierra 2500 AT4X

    $92,965

    $1K
    Est. $1,712/mo

    Southtowne Chevrolet Cadillac Buick GMC

    3.9
    Check Availability
    Newnan, GA (44 mi)
    Quick view
  • Sterling 2026 GMC Sierra 2500 AT4XSterling 2026 GMC Sierra 2500 AT4XSterling 2026 GMC Sierra 2500 AT4XSterling 2026 GMC Sierra 2500 AT4XSterling 2026 GMC Sierra 2500 AT4XSterling 2026 GMC Sierra 2500 AT4X

    $92,815

    $1K
    Est. $1,709/mo

    Southtowne Chevrolet Cadillac Buick GMC

    3.9
    Check Availability
    Newnan, GA (44 mi)
    Quick view

About the 2026 GMC Sierra 2500 AT4X

Basics

AT4X 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 2500 AT4X
FAQs

How much does the 2026 GMC Sierra 2500 AT4X cost?

The 2026 GMC Sierra 2500 AT4X price depends on optional features. Prices typically start at $85,200.

What are some similar vehicles and competitors of the 2026 GMC Sierra 2500 AT4X?

The 2026 GMC Sierra 2500 AT4X compares to and/or competes against the following vehicles:


Trims

AT4X (1 style)

Style
4WD Crew Cab 159" AT4X
Inventory price
Starting at $85,200
Combined MPG
0
Engine
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 2500 AT4X by city

GMC Sierra 2500 trims