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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

    Not Priced

    MSRP $85,580

    i.g. Burton Buick GMC of Elkton

    Check Availability
    Elkton, MD (6 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

    $72,988

    1,941 mi.
    Est. $1,244/mo

    Union Park Honda BMW Buick GMC Volvo Car

    2.4
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    Wilmington, DE (10 mi)
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  • Onyx Black 2026 GMC Sierra 1500 AT4X

    $75,630

    MSRP $85,880

    Est. $1,289/mo

    i.g. Burton Buick GMC of Elkton

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    Elkton, MD (6 mi)
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  • Onyx Black 2026 GMC Sierra 1500 AT4X

    $85,980

    MSRP $85,980

    Est. $1,466/mo

    Granite Run Buick GMC

    4.1
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    Media, PA (23 mi)
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  • Onyx Black 2026 GMC Sierra 1500 AT4X

    $84,785

    MSRP $84,785

    Est. $1,446/mo

    Granite Run Buick GMC

    4.1
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    Media, PA (23 mi)
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  • Onyx Black 2026 GMC Sierra 1500 AT4X

    $85,980

    MSRP $85,980

    Est. $1,466/mo

    Granite Run Buick GMC

    4.1
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    Media, PA (23 mi)
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  • Dune 2026 GMC Sierra 1500 AT4X

    $85,980

    MSRP $85,980

    Est. $1,466/mo

    Granite Run Buick GMC

    4.1
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    Media, PA (23 mi)
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  • Summit White 2026 GMC Sierra 1500 AT4X

    $85,485

    MSRP $85,485

    Est. $1,457/mo

    Granite Run Buick GMC

    4.1
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    Media, PA (23 mi)
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  • Dune 2026 GMC Sierra 1500 AT4X

    $85,980

    MSRP $85,980

    Est. $1,466/mo

    Granite Run Buick GMC

    4.1
    Check Availability
    Media, PA (23 mi)
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  • Dune 2026 GMC Sierra 1500 AT4X

    $85,980

    MSRP $85,980

    Est. $1,466/mo

    Granite Run Buick GMC

    4.1
    Check Availability
    Media, PA (23 mi)
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  • Onyx Black 2026 GMC Sierra 1500 AT4X

    $85,980

    MSRP $85,980

    Est. $1,466/mo

    Granite Run Buick GMC

    4.1
    Check Availability
    Media, PA (23 mi)
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  • Dune 2026 GMC Sierra 1500 AT4X

    $85,980

    MSRP $85,980

    Est. $1,466/mo

    Granite Run Buick GMC

    4.1
    Check Availability
    Media, PA (23 mi)
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  • Summit White 2026 GMC Sierra 1500 AT4X

    $85,485

    MSRP $85,485

    Est. $1,457/mo

    Granite Run Buick GMC

    4.1
    Check Availability
    Media, PA (23 mi)
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  • Onyx Black 2026 GMC Sierra 1500 AT4X

    $85,980

    MSRP $85,980

    Est. $1,466/mo

    Granite Run Buick GMC

    4.1
    Check Availability
    Media, PA (23 mi)
    Quick view
  • Onyx Black 2026 GMC Sierra 1500 AT4X

    $85,980

    MSRP $85,980

    Est. $1,466/mo

    Granite Run Buick GMC

    4.1
    Check Availability
    Media, PA (23 mi)
    Quick view
  • Onyx Black 2026 GMC Sierra 1500 AT4X

    $85,980

    MSRP $85,980

    Est. $1,466/mo

    Granite Run Buick GMC

    4.1
    Check Availability
    Media, PA (23 mi)
    Quick view
  • Summit White 2026 GMC Sierra 1500 AT4X

    $84,290

    MSRP $84,290

    Est. $1,437/mo

    Granite Run Buick GMC

    4.1
    Check Availability
    Media, PA (23 mi)
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  • Dune 2026 GMC Sierra 1500 AT4X

    $84,085

    MSRP $84,085

    Est. $1,434/mo

    Granite Run Buick GMC

    4.1
    Check Availability
    Media, PA (23 mi)
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  • Summit White 2026 GMC Sierra 1500 AT4X

    $83,590

    MSRP $83,590

    Est. $1,425/mo

    Granite Run Buick GMC

    4.1
    Check Availability
    Media, PA (23 mi)
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  • $85,980

    MSRP $85,980

    Est. $1,466/mo

    Granite Run Buick GMC

    4.1
    Check Availability
    Media, PA (23 mi)
    Quick view
  • $85,980

    MSRP $85,980

    Est. $1,466/mo

    Granite Run Buick GMC

    4.1
    Check Availability
    Media, PA (23 mi)
    Quick view
  • $85,980

    MSRP $85,980

    Est. $1,466/mo

    Granite Run Buick GMC

    4.1
    Check Availability
    Media, PA (23 mi)
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  • 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

    $75,245

    Est. $1,283/mo

    Impex Chevrolet GMC

    4.7
    Check Availability
    $359 delivery from Reidsville, NC (315 mi)
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  • 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. $1,176/mo

    CarMax Texas Stadium (Irving)

    4.2
    Check Availability
    $1,199 delivery to Newark, DE (2 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