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 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

    $77,324

    Est. $1,417/mo

    Regal Automotive Group

    4.5
    Check Availability
    Lakeland, FL (23 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

    $77,000

    Est. $1,411/mo

    Kelley Buick GMC of Bartow

    4.1
    Check Availability
    Bartow, FL (29 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

    $79,522

    Est. $1,457/mo

    Regal Automotive Group

    4.5
    Check Availability
    Lakeland, FL (23 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

    $83,029

    MSRP $85,279

    Est. $1,522/mo

    Tasca Buick GMC Clearwater

    4.8
    Check Availability
    Clearwater, FL (27 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

    $83,730

    MSRP $85,980

    Est. $1,535/mo

    Ferman Buick GMC

    4.8
    Check Availability
    Lutz, FL (16 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

    $78,760

    Est. $1,443/mo

    Regal Automotive Group

    4.5
    Check Availability
    Lakeland, FL (23 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

    $79,144

    Est. $1,451/mo

    Regal Automotive Group

    4.5
    Check Availability
    Lakeland, FL (23 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

    $78,472

    Est. $1,438/mo

    Regal Automotive Group

    4.5
    Check Availability
    Lakeland, FL (23 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

    $79,219

    Est. $1,452/mo

    Jim Browne Dade City Chevrolet GMC

    3.7
    Check Availability
    Dade City, FL (25 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

    $78,819

    Est. $1,445/mo

    Jim Browne Dade City Chevrolet GMC

    3.7
    Check Availability
    Dade City, FL (25 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

    $79,144

    Est. $1,451/mo

    Regal Automotive Group

    4.5
    Check Availability
    Lakeland, FL (23 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

    $79,144

    Est. $1,451/mo

    Regal Automotive Group

    4.5
    Check Availability
    Lakeland, FL (23 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

    $83,730

    MSRP $85,980

    Est. $1,535/mo

    Ferman Buick GMC

    4.8
    Check Availability
    Lutz, FL (16 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

    $77,000

    Est. $1,411/mo

    Kelley Buick GMC of Bartow

    4.1
    Check Availability
    Bartow, FL (29 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

    $83,730

    MSRP $85,980

    Est. $1,535/mo

    Ferman Buick GMC

    4.8
    Check Availability
    Lutz, FL (16 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

    $85,074

    MSRP $87,324

    Est. $1,559/mo

    Tasca Buick GMC Clearwater

    4.8
    Check Availability
    Clearwater, FL (27 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

    $83,029

    MSRP $85,279

    Est. $1,522/mo

    Tasca Buick GMC Clearwater

    4.8
    Check Availability
    Clearwater, FL (27 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

    $76,551

    MSRP $84,384

    Est. $1,403/mo

    Rivard Buick GMC

    4.8
    Check Availability
    Tampa, FL (4 mi)
    Quick view
  • Volcanic Red 2026 GMC Sierra 1500 AT4XVolcanic Red 2026 GMC Sierra 1500 AT4XVolcanic Red 2026 GMC Sierra 1500 AT4XVolcanic Red 2026 GMC Sierra 1500 AT4XVolcanic Red 2026 GMC Sierra 1500 AT4XVolcanic Red 2026 GMC Sierra 1500 AT4X

    $79,369

    Est. $1,455/mo

    Jim Browne Dade City Chevrolet GMC

    3.7
    Check Availability
    Dade City, FL (25 mi)
    Quick view
  • Volcanic Red 2026 GMC Sierra 1500 AT4XVolcanic Red 2026 GMC Sierra 1500 AT4XVolcanic Red 2026 GMC Sierra 1500 AT4XVolcanic Red 2026 GMC Sierra 1500 AT4XVolcanic Red 2026 GMC Sierra 1500 AT4XVolcanic Red 2026 GMC Sierra 1500 AT4X

    $85,000

    Est. $1,558/mo

    Kelley Buick GMC of Bartow

    4.1
    Check Availability
    Bartow, FL (29 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

    $83,730

    MSRP $85,980

    Est. $1,535/mo

    Ferman Buick GMC

    4.8
    Check Availability
    Lutz, FL (16 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

    $83,730

    MSRP $85,980

    Est. $1,535/mo

    Ferman Buick GMC

    4.8
    Check Availability
    Lutz, FL (16 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

    $79,156

    Est. $1,451/mo

    Laura Buick GMC

    4.6
    Check Availability
    $1,726 delivery from Collinsville, IL (863 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

    $72,995

    Est. $1,338/mo

    Impex Chevrolet GMC

    4.7
    Check Availability
    $681 delivery from Reidsville, NC (598 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