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 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

    $73,700

    $1K

    MSRP $84,684

    Est. $1,335/mo

    Albrecht Buick GMC of Wakefield

    4.0
    Check Availability
    Wakefield, MA (20 mi)
    Quick view
  • Black 2026 GMC Sierra 1500 AT4XBlack 2026 GMC Sierra 1500 AT4XBlack 2026 GMC Sierra 1500 AT4XBlack 2026 GMC Sierra 1500 AT4XBlack 2026 GMC Sierra 1500 AT4XBlack 2026 GMC Sierra 1500 AT4X

    $78,530

    $2K

    MSRP $85,780

    Est. $1,423/mo

    Tulley Buick GMC of Nashua

    4.7
    Check Availability
    Nashua, NH (21 mi)
    Quick view
  • Titanium Rush Metallic 2026 GMC Sierra 1500 AT4XTitanium Rush Metallic 2026 GMC Sierra 1500 AT4XTitanium Rush Metallic 2026 GMC Sierra 1500 AT4XTitanium Rush Metallic 2026 GMC Sierra 1500 AT4XTitanium Rush Metallic 2026 GMC Sierra 1500 AT4XTitanium Rush Metallic 2026 GMC Sierra 1500 AT4X

    $76,556

    $13K
    2,035 mi.
    Est. $1,387/mo

    Tulley Buick GMC of Nashua

    4.7
    Check Availability
    Nashua, NH (21 mi)
    Quick view
  • Volcanic Red Tintcoat 2026 GMC Sierra 1500 AT4XVolcanic Red Tintcoat 2026 GMC Sierra 1500 AT4XVolcanic Red Tintcoat 2026 GMC Sierra 1500 AT4XVolcanic Red Tintcoat 2026 GMC Sierra 1500 AT4XVolcanic Red Tintcoat 2026 GMC Sierra 1500 AT4XVolcanic Red Tintcoat 2026 GMC Sierra 1500 AT4X

    $74,428

    $1K

    MSRP $85,450

    Est. $1,348/mo

    Albrecht Buick GMC of Wakefield

    4.0
    Check Availability
    Wakefield, MA (20 mi)
    Quick view
  • Volcanic Red Tintcoat 2026 GMC Sierra 1500 AT4XVolcanic Red Tintcoat 2026 GMC Sierra 1500 AT4XVolcanic Red Tintcoat 2026 GMC Sierra 1500 AT4XVolcanic Red Tintcoat 2026 GMC Sierra 1500 AT4XVolcanic Red Tintcoat 2026 GMC Sierra 1500 AT4XVolcanic Red Tintcoat 2026 GMC Sierra 1500 AT4X

    $72,559

    $1K

    MSRP $84,535

    Est. $1,314/mo

    Albrecht Buick GMC of Wakefield

    4.0
    Check Availability
    Wakefield, MA (20 mi)
    Quick view
  • Gray 2026 GMC Sierra 1500 AT4XGray 2026 GMC Sierra 1500 AT4XGray 2026 GMC Sierra 1500 AT4XGray 2026 GMC Sierra 1500 AT4XGray 2026 GMC Sierra 1500 AT4XGray 2026 GMC Sierra 1500 AT4X

    $78,330

    $2K

    MSRP $85,580

    Est. $1,419/mo

    Tulley Buick GMC of Nashua

    4.7
    Check Availability
    Nashua, NH (21 mi)
    Quick view
  • Coastal Dune 2026 GMC Sierra 1500 AT4XCoastal Dune 2026 GMC Sierra 1500 AT4XCoastal Dune 2026 GMC Sierra 1500 AT4XCoastal Dune 2026 GMC Sierra 1500 AT4XCoastal Dune 2026 GMC Sierra 1500 AT4XCoastal Dune 2026 GMC Sierra 1500 AT4X

    $73,796

    $1K

    MSRP $84,785

    Est. $1,337/mo

    Albrecht Buick GMC of Wakefield

    4.0
    Check Availability
    Wakefield, MA (20 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

    $73,996

    MSRP $82,890

    Est. $1,340/mo

    Albrecht Buick GMC of Wakefield

    4.0
    Check Availability
    Wakefield, MA (20 mi)
    Quick view
  • Volcanic Red Tintcoat 2026 GMC Sierra 1500 AT4XVolcanic Red Tintcoat 2026 GMC Sierra 1500 AT4XVolcanic Red Tintcoat 2026 GMC Sierra 1500 AT4XVolcanic Red Tintcoat 2026 GMC Sierra 1500 AT4XVolcanic Red Tintcoat 2026 GMC Sierra 1500 AT4XVolcanic Red Tintcoat 2026 GMC Sierra 1500 AT4X

    $72,559

    $1K

    MSRP $84,535

    Est. $1,314/mo

    Albrecht Buick GMC of Wakefield

    4.0
    Check Availability
    Wakefield, MA (20 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

    $73,230

    $1K

    MSRP $84,189

    Est. $1,327/mo

    Albrecht Buick GMC of Wakefield

    4.0
    Check Availability
    Wakefield, MA (20 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

    $73,796

    $6.7K

    MSRP $84,785

    Est. $1,337/mo

    Albrecht Buick GMC of Wakefield

    4.0
    Check Availability
    Wakefield, MA (20 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

    $73,796

    $1K

    MSRP $84,785

    Est. $1,337/mo

    Albrecht Buick GMC of Wakefield

    4.0
    Check Availability
    Wakefield, MA (20 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

    $78,693

    MSRP $84,785

    Est. $1,425/mo

    GMC Danvers

    Check Availability
    Danvers, MA (29 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

    $73,996

    MSRP $82,890

    Est. $1,340/mo

    Albrecht Buick GMC of Wakefield

    4.0
    Check Availability
    Wakefield, MA (20 mi)
    Quick view
  • Red 2026 GMC Sierra 1500 AT4XRed 2026 GMC Sierra 1500 AT4XRed 2026 GMC Sierra 1500 AT4XRed 2026 GMC Sierra 1500 AT4XRed 2026 GMC Sierra 1500 AT4XRed 2026 GMC Sierra 1500 AT4X

    $78,480

    $2K

    MSRP $85,730

    Est. $1,422/mo

    Tulley Buick GMC of Nashua

    4.7
    Check Availability
    Nashua, NH (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

    $73,996

    MSRP $82,890

    Est. $1,340/mo

    Albrecht Buick GMC of Wakefield

    4.0
    Check Availability
    Wakefield, MA (20 mi)
    Quick view
  • Red 2026 GMC Sierra 1500 AT4XRed 2026 GMC Sierra 1500 AT4XRed 2026 GMC Sierra 1500 AT4XRed 2026 GMC Sierra 1500 AT4XRed 2026 GMC Sierra 1500 AT4XRed 2026 GMC Sierra 1500 AT4X

    $78,680

    $2K

    MSRP $85,930

    Est. $1,425/mo

    Tulley Buick GMC of Nashua

    4.7
    Check Availability
    Nashua, NH (21 mi)
    Quick view
  • Red 2026 GMC Sierra 1500 AT4XRed 2026 GMC Sierra 1500 AT4XRed 2026 GMC Sierra 1500 AT4XRed 2026 GMC Sierra 1500 AT4XRed 2026 GMC Sierra 1500 AT4XRed 2026 GMC Sierra 1500 AT4X

    $77,480

    $1K

    MSRP $85,730

    Est. $1,404/mo

    Tulley Buick GMC of Nashua

    4.7
    Check Availability
    Nashua, NH (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

    $72,416

    $1K

    MSRP $84,385

    Est. $1,312/mo

    Albrecht Buick GMC of Wakefield

    4.0
    Check Availability
    Wakefield, MA (20 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

    $72,416

    $1K

    MSRP $84,385

    Est. $1,312/mo

    Albrecht Buick GMC of Wakefield

    4.0
    Check Availability
    Wakefield, MA (20 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

    $76,745

    MSRP $81,995

    Est. $1,390/mo

    Tulley Buick GMC of Nashua

    4.7
    Check Availability
    Nashua, NH (21 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

    $83,890

    MSRP $83,890

    Est. $1,520/mo

    McGovern GMC of Westborough

    4.7
    Check Availability
    Westborough, MA (13 mi)
    Quick view
  • Onyx Black 2026 GMC Sierra 1500 AT4X

    $82,890

    Est. $1,502/mo

    Impex Chevrolet GMC

    4.7
    Check Availability
    $692 delivery from Reidsville, NC (607 mi)
    Quick view
  • Onyx Black 2026 GMC Sierra 1500 AT4X

    $84,785

    Est. $1,536/mo

    Impex Chevrolet GMC

    4.7
    Check Availability
    $692 delivery from Reidsville, NC (607 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

    $82,277

    4,252 mi.
    Est. $1,490/mo

    Butler GMC

    4.8
    Check Availability
    Charlton, MA (35 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

    $74,040

    $1K
    Est. $1,341/mo

    Marty's GMC

    4.7
    Check Availability
    Kingston, MA (50 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

    $84,385

    MSRP $84,385

    Est. $1,529/mo

    Chevrolet Buick GMC of Attleboro

    4.6
    Check Availability
    Attleboro, MA (35 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