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  • 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

    $72,285

    MSRP $84,235

    Est. $1,332/mo

    McLarty Daniel Buick GMC

    4.6
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    Bentonville, AR (30 mi)

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  • 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

    $73,030

    MSRP $85,980

    Est. $1,346/mo

    McLarty Daniel Buick GMC

    4.6
    Check Availability
    Bentonville, AR (30 mi)
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  • 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

    $72,730

    MSRP $85,680

    Est. $1,340/mo

    McLarty Daniel Buick GMC

    4.6
    Check Availability
    Bentonville, AR (30 mi)
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  • 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

    $71,835

    MSRP $84,785

    Est. $1,324/mo

    McLarty Daniel Buick GMC

    4.6
    Check Availability
    Bentonville, AR (30 mi)
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  • 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

    $73,180

    MSRP $86,130

    Est. $1,349/mo

    McLarty Daniel Buick GMC

    4.6
    Check Availability
    Bentonville, AR (30 mi)
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  • 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

    $77,245

    MSRP $90,195

    Est. $1,424/mo

    McLarty Daniel Buick GMC

    4.6
    Check Availability
    Bentonville, AR (30 mi)
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  • 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

    $73,030

    MSRP $85,980

    Est. $1,346/mo

    McLarty Daniel Buick GMC

    4.6
    Check Availability
    Bentonville, AR (30 mi)
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  • 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

    $77,245

    MSRP $90,195

    Est. $1,424/mo

    McLarty Daniel Buick GMC

    4.6
    Check Availability
    Bentonville, AR (30 mi)
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  • 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

    $73,030

    MSRP $85,980

    Est. $1,346/mo

    McLarty Daniel Buick GMC

    4.6
    Check Availability
    Bentonville, AR (30 mi)
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  • 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

    $73,030

    MSRP $85,980

    Est. $1,346/mo

    McLarty Daniel Buick GMC

    4.6
    Check Availability
    Bentonville, AR (30 mi)
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  • 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

    $73,030

    MSRP $85,980

    Est. $1,346/mo

    McLarty Daniel Buick GMC

    4.6
    Check Availability
    Bentonville, AR (30 mi)
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  • 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

    $73,030

    MSRP $85,980

    Est. $1,346/mo

    McLarty Daniel Buick GMC

    4.6
    Check Availability
    Bentonville, AR (30 mi)
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  • 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

    $71,985

    MSRP $84,935

    Est. $1,327/mo

    McLarty Daniel Buick GMC

    4.6
    Check Availability
    Bentonville, AR (30 mi)
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  • 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

    $72,235

    MSRP $85,185

    Est. $1,331/mo

    McLarty Daniel Buick GMC

    4.6
    Check Availability
    Bentonville, AR (30 mi)
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  • 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

    $72,135

    MSRP $84,085

    Est. $1,329/mo

    McLarty Daniel Buick GMC

    4.6
    Check Availability
    Bentonville, AR (30 mi)
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  • 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

    $73,030

    MSRP $85,980

    Est. $1,346/mo

    McLarty Daniel Buick GMC

    4.6
    Check Availability
    Bentonville, AR (30 mi)
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  • 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

    $72,730

    MSRP $85,680

    Est. $1,340/mo

    McLarty Daniel Buick GMC

    4.6
    Check Availability
    Bentonville, AR (30 mi)
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  • 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

    $72,235

    MSRP $85,185

    Est. $1,331/mo

    McLarty Daniel Buick GMC

    4.6
    Check Availability
    Bentonville, AR (30 mi)
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  • 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

    $73,030

    MSRP $85,980

    Est. $1,346/mo

    McLarty Daniel Buick GMC

    4.6
    Check Availability
    Bentonville, AR (30 mi)
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  • 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

    $71,835

    MSRP $84,785

    Est. $1,324/mo

    McLarty Daniel Buick GMC

    4.6
    Check Availability
    Bentonville, AR (30 mi)
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  • 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

    $73,030

    MSRP $85,980

    Est. $1,346/mo

    McLarty Daniel Buick GMC

    4.6
    Check Availability
    Bentonville, AR (30 mi)
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  • 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

    $73,030

    MSRP $85,980

    Est. $1,346/mo

    McLarty Daniel Buick GMC

    4.6
    Check Availability
    Bentonville, AR (30 mi)
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  • 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

    $72,750

    MSRP $82,890

    Est. $1,341/mo

    Woody Buick GMC Naperville

    4.9
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    $467 delivery from Naperville, IL (467 mi)
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  • 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

    $70,413

    $1K
    Est. $1,298/mo

    Laura Buick GMC

    4.6
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    $517 delivery from Collinsville, IL (259 mi)
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  • 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

    $81,535

    MSRP $84,785

    Est. $1,503/mo

    Crain Buick GMC of Springdale

    4.5
    Check Availability
    Springdale, AR (41 mi)
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  • 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

    $76,535

    MSRP $84,785

    Est. $1,411/mo

    Crain Buick GMC of Springdale

    4.5
    Check Availability
    Springdale, AR (41 mi)
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  • 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

    $75,840

    Est. $1,398/mo

    Pinegar Chevy Buick GMC

    4.9
    Check Availability
    Branson, MO (47 mi)
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  • 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

    $76,685

    $5K

    MSRP $84,935

    Est. $1,413/mo

    Crain Buick GMC of Springdale

    4.5
    Check Availability
    Springdale, AR (41 mi)
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  • 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

    $76,040

    $5K

    MSRP $84,290

    Est. $1,401/mo

    Crain Buick GMC of Springdale

    4.5
    Check Availability
    Springdale, AR (41 mi)
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  • 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

    $86,040

    MSRP $94,290

    Est. $1,586/mo

    Crain Buick GMC of Springdale

    4.5
    Check Availability
    Springdale, AR (41 mi)
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  • Volcanic Red 2026 GMC Sierra 1500 AT4X

    $70,590

    MSRP $82,640

    Est. $1,301/mo

    Crain Buick GMC of Springdale

    4.5
    Check Availability
    Springdale, AR (41 mi)
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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)
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2026 GMC Sierra 1500 AT4X by city

GMC Sierra 1500 trims