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
  • Dune 2026 GMC Sierra 1500 AT4XDune 2026 GMC Sierra 1500 AT4XDune 2026 GMC Sierra 1500 AT4XDune 2026 GMC Sierra 1500 AT4XDune 2026 GMC Sierra 1500 AT4XDune 2026 GMC Sierra 1500 AT4X

    $76,754

    MSRP $86,179

    Est. $1,425/mo

    Jim Ellis Buick GMC

    4.6
    Check Availability
    Atlanta, GA (13 mi)

    Quick view
  • Onyx Black 2026 GMC Sierra 1500 AT4XOnyx Black 2026 GMC Sierra 1500 AT4XOnyx Black 2026 GMC Sierra 1500 AT4XOnyx Black 2026 GMC Sierra 1500 AT4XOnyx Black 2026 GMC Sierra 1500 AT4XOnyx Black 2026 GMC Sierra 1500 AT4X

    $75,360

    MSRP $84,785

    Est. $1,399/mo

    Jim Ellis Buick GMC

    4.6
    Check Availability
    Atlanta, GA (13 mi)

    Quick view
  • Summit White 2026 GMC Sierra 1500 AT4XSummit White 2026 GMC Sierra 1500 AT4XSummit White 2026 GMC Sierra 1500 AT4XSummit White 2026 GMC Sierra 1500 AT4XSummit White 2026 GMC Sierra 1500 AT4XSummit White 2026 GMC Sierra 1500 AT4X

    $74,465

    MSRP $83,890

    Est. $1,383/mo

    Jim Ellis Buick GMC

    4.6
    Check Availability
    Atlanta, GA (13 mi)
    Quick view
  • Sterling Metallic 2026 GMC Sierra 1500 AT4XSterling Metallic 2026 GMC Sierra 1500 AT4XSterling Metallic 2026 GMC Sierra 1500 AT4XSterling Metallic 2026 GMC Sierra 1500 AT4XSterling Metallic 2026 GMC Sierra 1500 AT4XSterling Metallic 2026 GMC Sierra 1500 AT4X

    $86,124

    Est. $1,599/mo

    Rick Hendrick Buick GMC

    4.8
    Check Availability
    Duluth, GA (21 mi)
    Quick view
  • Sterling Metallic 2026 GMC Sierra 1500 AT4XSterling Metallic 2026 GMC Sierra 1500 AT4XSterling Metallic 2026 GMC Sierra 1500 AT4XSterling Metallic 2026 GMC Sierra 1500 AT4XSterling Metallic 2026 GMC Sierra 1500 AT4XSterling Metallic 2026 GMC Sierra 1500 AT4X

    $104,274

    Est. $1,936/mo

    Rick Hendrick Buick GMC

    4.8
    Check Availability
    Duluth, GA (21 mi)
    Quick view
  • Sterling 2026 GMC Sierra 1500 AT4XSterling 2026 GMC Sierra 1500 AT4XSterling 2026 GMC Sierra 1500 AT4XSterling 2026 GMC Sierra 1500 AT4XSterling 2026 GMC Sierra 1500 AT4XSterling 2026 GMC Sierra 1500 AT4X

    $75,360

    MSRP $84,785

    Est. $1,399/mo

    Jim Ellis Buick GMC

    4.6
    Check Availability
    Atlanta, GA (13 mi)
    Quick view
  • Volcanic Red Tintcoat 2026 GMC Sierra 1500 AT4XVolcanic Red Tintcoat 2026 GMC Sierra 1500 AT4X

    $76,985

    MSRP $84,235

    Est. $1,429/mo

    ALM GMC South

    Check Availability
    Morrow, GA (11 mi)
    Quick view
  • Summit White 2026 GMC Sierra 1500 AT4XSummit White 2026 GMC Sierra 1500 AT4XSummit White 2026 GMC Sierra 1500 AT4XSummit White 2026 GMC Sierra 1500 AT4XSummit White 2026 GMC Sierra 1500 AT4XSummit White 2026 GMC Sierra 1500 AT4X

    $86,947

    MSRP $85,384

    Est. $1,614/mo

    Jim Ellis Buick GMC

    4.6
    Check Availability
    Atlanta, GA (13 mi)

    Quick view
  • Summit White 2026 GMC Sierra 1500 AT4XSummit White 2026 GMC Sierra 1500 AT4XSummit White 2026 GMC Sierra 1500 AT4XSummit White 2026 GMC Sierra 1500 AT4XSummit White 2026 GMC Sierra 1500 AT4XSummit White 2026 GMC Sierra 1500 AT4X

    $84,780

    Est. $1,574/mo

    Rick Hendrick Buick GMC

    4.8
    Check Availability
    Duluth, GA (21 mi)
    Quick view
  • Onyx Black 2026 GMC Sierra 1500 AT4XOnyx Black 2026 GMC Sierra 1500 AT4XOnyx Black 2026 GMC Sierra 1500 AT4XOnyx Black 2026 GMC Sierra 1500 AT4XOnyx Black 2026 GMC Sierra 1500 AT4XOnyx Black 2026 GMC Sierra 1500 AT4X

    $77,730

    MSRP $85,980

    Est. $1,443/mo

    ALM GMC South

    Check Availability
    Morrow, GA (11 mi)
    Quick view
  • Sterling 2026 GMC Sierra 1500 AT4XSterling 2026 GMC Sierra 1500 AT4XSterling 2026 GMC Sierra 1500 AT4XSterling 2026 GMC Sierra 1500 AT4XSterling 2026 GMC Sierra 1500 AT4XSterling 2026 GMC Sierra 1500 AT4X

    $75,360

    MSRP $84,785

    Est. $1,399/mo

    Jim Ellis Buick GMC

    4.6
    Check Availability
    Atlanta, GA (13 mi)
    Quick view
  • Sterling 2026 GMC Sierra 1500 AT4XSterling 2026 GMC Sierra 1500 AT4XSterling 2026 GMC Sierra 1500 AT4XSterling 2026 GMC Sierra 1500 AT4XSterling 2026 GMC Sierra 1500 AT4XSterling 2026 GMC Sierra 1500 AT4X

    $75,360

    MSRP $84,785

    Est. $1,399/mo

    Jim Ellis Buick GMC

    4.6
    Check Availability
    Atlanta, GA (13 mi)
    Quick view
  • Summit White 2026 GMC Sierra 1500 AT4X

    $72,137

    MSRP $85,385

    Est. $1,339/mo

    Hardy Chevrolet GMC

    4.6
    Check Availability
    Dallas, GA (29 mi)
    Quick view
  • Dune 2026 GMC Sierra 1500 AT4XDune 2026 GMC Sierra 1500 AT4XDune 2026 GMC Sierra 1500 AT4XDune 2026 GMC Sierra 1500 AT4XDune 2026 GMC Sierra 1500 AT4XDune 2026 GMC Sierra 1500 AT4X

    $76,754

    MSRP $86,179

    Est. $1,425/mo

    Jim Ellis Buick GMC

    4.6
    Check Availability
    Atlanta, GA (13 mi)

    Quick view
  • Summit White 2026 GMC Sierra 1500 AT4X

    $71,706

    MSRP $83,790

    Est. $1,331/mo

    Hardy Chevrolet GMC

    4.6
    Check Availability
    Dallas, GA (29 mi)
    Quick view
  • Summit White 2026 GMC Sierra 1500 AT4X

    $72,137

    MSRP $85,385

    Est. $1,339/mo

    Hardy Chevrolet GMC

    4.6
    Check Availability
    Dallas, GA (29 mi)
    Quick view
  • Summit White 2026 GMC Sierra 1500 AT4X

    $72,137

    MSRP $85,385

    Est. $1,339/mo

    Hardy Chevrolet GMC

    4.6
    Check Availability
    Dallas, GA (29 mi)
    Quick view
  • Summit White 2026 GMC Sierra 1500 AT4X

    $75,142

    MSRP $85,085

    Est. $1,395/mo

    Hardy Chevrolet GMC

    4.6
    Check Availability
    Dallas, GA (29 mi)
    Quick view
  • Summit White 2026 GMC Sierra 1500 AT4X

    $71,706

    MSRP $83,790

    Est. $1,331/mo

    Hardy Chevrolet GMC

    4.6
    Check Availability
    Dallas, GA (29 mi)
    Quick view
  • Dune 2026 GMC Sierra 1500 AT4XDune 2026 GMC Sierra 1500 AT4XDune 2026 GMC Sierra 1500 AT4XDune 2026 GMC Sierra 1500 AT4XDune 2026 GMC Sierra 1500 AT4XDune 2026 GMC Sierra 1500 AT4X

    $75,526

    MSRP $86,179

    Est. $1,402/mo

    Jim Ellis Buick GMC

    4.6
    Check Availability
    Atlanta, GA (13 mi)

    Quick view
  • Dune 2026 GMC Sierra 1500 AT4X

    $72,150

    MSRP $84,285

    Est. $1,340/mo

    Hardy Chevrolet GMC

    4.6
    Check Availability
    Dallas, GA (29 mi)
    Quick view
  • Onyx Black 2026 GMC Sierra 1500 AT4X

    $72,581

    MSRP $85,880

    Est. $1,348/mo

    Hardy Chevrolet GMC

    4.6
    Check Availability
    Dallas, GA (29 mi)
    Quick view
  • Onyx Black 2026 GMC Sierra 1500 AT4X

    $84,785

    Est. $1,574/mo

    Impex Chevrolet GMC

    4.7
    Check Availability
    $366 delivery from Reidsville, NC (321 mi)
    Quick view
  • White 2026 GMC Sierra 1500 AT4XWhite 2026 GMC Sierra 1500 AT4XWhite 2026 GMC Sierra 1500 AT4XWhite 2026 GMC Sierra 1500 AT4XWhite 2026 GMC Sierra 1500 AT4XWhite 2026 GMC Sierra 1500 AT4X

    $68,998

    $4K
    7,305 mi.
    Est. $1,281/mo

    CarMax Texas Stadium (Irving)

    4.2
    Check Availability
    $449 delivery to Stockbridge, GA (12 mi)
    Quick view

About the 2026 GMC Sierra 1500 AT4X

Basics

AT4X shown.

Seating
5
Door count
4
Drivetrain
Four Wheel Drive
Combined MPG
19
Transmission
10-Speed A/T
Engine
420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel)
Side view of the 2026 GMC Sierra 1500 AT4X
FAQs

How much does the 2026 GMC Sierra 1500 AT4X cost?

The 2026 GMC Sierra 1500 AT4X price depends on optional features. Prices typically start at $79,600.

What is the MPG of the 2026 GMC Sierra 1500 AT4X?

The 2026 GMC Sierra 1500 AT4X offers up to 19 MPG in city driving and 20 MPG on the highway for a combined rating of 19 MPG.

These figures are based on EPA mileage ratings and are for comparison purposes only. The actual mileage will vary depending on the selected vehicle options, driving conditions, driving habits, vehicle maintenance, and other factors.

What are some similar vehicles and competitors of the 2026 GMC Sierra 1500 AT4X?

The 2026 GMC Sierra 1500 AT4X compares to and/or competes against the following vehicles:


Is the 2026 GMC Sierra 1500 AT4X reliable?

The 2026 GMC Sierra 1500 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 1500 owners.

Ratings (4 reviews)

75% of drivers recommend this car

Rating breakdown (out of 5):
Comfort
4.0
Interior
4.0
Performance
4.2
Value
3.5
Exterior
4.2
Reliability
4.5
Trims

AT4X (1 style)

Style
4WD Crew Cab 147" AT4X
Inventory price
Starting at $79,600
Combined MPG
19
Engine
420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline 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 1500 AT4X by city

GMC Sierra 1500 trims