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  • Summit White 2026 GMC Sierra 1500 AT4Summit White 2026 GMC Sierra 1500 AT4Summit White 2026 GMC Sierra 1500 AT4Summit White 2026 GMC Sierra 1500 AT4Summit White 2026 GMC Sierra 1500 AT4Summit White 2026 GMC Sierra 1500 AT4

    $65,131

    $1.4K

    MSRP $74,805

    Est. $1,224/mo

    Marianna Chevrolet GMC

    4.6
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    Marianna, FL (779 mi)

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  • Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4

    $74,353

    Est. $1,398/mo

    Brookfield Buick GMC

    4.7
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    Brookfield, WI (87 mi)

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  • Volcanic Red Tintcoat 2026 GMC Sierra 1500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 1500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 1500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 1500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 1500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 1500 AT4

    $61,900

    $2K

    MSRP $75,900

    Est. $1,164/mo

    Mayse Automotive

    4.6
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    Aurora, MO (471 mi)
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  • Coastal Dune 2026 GMC Sierra 1500 AT4Coastal Dune 2026 GMC Sierra 1500 AT4Coastal Dune 2026 GMC Sierra 1500 AT4Coastal Dune 2026 GMC Sierra 1500 AT4Coastal Dune 2026 GMC Sierra 1500 AT4Coastal Dune 2026 GMC Sierra 1500 AT4

    $71,405

    $1K

    MSRP $74,655

    Est. $1,342/mo

    Trent Cadillac Buick GMC

    4.9
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    New Bern, NC (742 mi)
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  • Summit White 2026 GMC Sierra 1500 AT4Summit White 2026 GMC Sierra 1500 AT4Summit White 2026 GMC Sierra 1500 AT4Summit White 2026 GMC Sierra 1500 AT4Summit White 2026 GMC Sierra 1500 AT4Summit White 2026 GMC Sierra 1500 AT4

    $62,705

    $1K

    MSRP $74,660

    Est. $1,179/mo

    McKinney Buick GMC

    4.1
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    McKinney, TX (779 mi)
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  • Volcanic Red 2026 GMC Sierra 1500 AT4Volcanic Red 2026 GMC Sierra 1500 AT4Volcanic Red 2026 GMC Sierra 1500 AT4Volcanic Red 2026 GMC Sierra 1500 AT4Volcanic Red 2026 GMC Sierra 1500 AT4Volcanic Red 2026 GMC Sierra 1500 AT4

    $70,065

    Est. $1,317/mo

    Henry Brown Buick GMC

    4.8
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    Gilbert, AZ (1,442 mi)
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  • Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4

    $70,704

    Est. $1,329/mo

    Ed Dena's Auto Center

    4.4
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    Dinuba, CA (1,731 mi)
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  • Coastal Dune 2026 GMC Sierra 1500 AT4Coastal Dune 2026 GMC Sierra 1500 AT4Coastal Dune 2026 GMC Sierra 1500 AT4Coastal Dune 2026 GMC Sierra 1500 AT4Coastal Dune 2026 GMC Sierra 1500 AT4Coastal Dune 2026 GMC Sierra 1500 AT4

    $76,150

    MSRP $76,150

    Est. $1,431/mo

    Reynolds GMC

    4.6
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    West Covina, CA (1,724 mi)

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  • Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4

    $72,824

    $1K
    Est. $1,369/mo

    Woodhouse Buick GMC of Omaha

    4.1
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    Omaha, NE (440 mi)
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  • Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4

    $99,369

    $4K
    Est. $1,868/mo

    Rick Hendrick Chevrolet Buick GMC

    4.7
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    Richmond, VA (606 mi)
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  • Sterling Metallic 2026 GMC Sierra 1500 AT4Sterling Metallic 2026 GMC Sierra 1500 AT4Sterling Metallic 2026 GMC Sierra 1500 AT4Sterling Metallic 2026 GMC Sierra 1500 AT4Sterling Metallic 2026 GMC Sierra 1500 AT4Sterling Metallic 2026 GMC Sierra 1500 AT4

    $66,359

    $1K
    Est. $1,247/mo

    Lou Fusz Buick GMC

    4.5
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    St. Louis, MO (265 mi)
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  • Summit White 2026 GMC Sierra 1500 AT4Summit White 2026 GMC Sierra 1500 AT4Summit White 2026 GMC Sierra 1500 AT4Summit White 2026 GMC Sierra 1500 AT4Summit White 2026 GMC Sierra 1500 AT4Summit White 2026 GMC Sierra 1500 AT4

    $79,450

    $1K

    MSRP $74,455

    Est. $1,493/mo

    Parks GMC Kernersville

    4.0
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    Kernersville, NC (568 mi)
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  • 2026 GMC Sierra 1500 AT42026 GMC Sierra 1500 AT42026 GMC Sierra 1500 AT42026 GMC Sierra 1500 AT42026 GMC Sierra 1500 AT42026 GMC Sierra 1500 AT4

    $70,900

    Est. $1,333/mo

    Performance Buick GMC

    4.8
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    Cedar Knolls, NJ (688 mi)
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  • Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4

    $71,550

    $1K

    MSRP $75,300

    Est. $1,345/mo

    Marianna Chevrolet GMC

    4.6
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    Marianna, FL (779 mi)

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  • Sterling Metallic 2026 GMC Sierra 1500 AT4Sterling Metallic 2026 GMC Sierra 1500 AT4Sterling Metallic 2026 GMC Sierra 1500 AT4Sterling Metallic 2026 GMC Sierra 1500 AT4Sterling Metallic 2026 GMC Sierra 1500 AT4Sterling Metallic 2026 GMC Sierra 1500 AT4

    $75,105

    MSRP $75,105

    Est. $1,412/mo

    Legacy GMC

    4.8
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    Slidell, LA (813 mi)
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  • Summit White 2026 GMC Sierra 1500 AT4Summit White 2026 GMC Sierra 1500 AT4Summit White 2026 GMC Sierra 1500 AT4Summit White 2026 GMC Sierra 1500 AT4Summit White 2026 GMC Sierra 1500 AT4Summit White 2026 GMC Sierra 1500 AT4

    $64,301

    $2.4K
    Est. $1,209/mo

    Ewing Buick GMC

    4.6
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    Plano, TX (790 mi)
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  • Sterling 2026 GMC Sierra 1500 AT4Sterling 2026 GMC Sierra 1500 AT4Sterling 2026 GMC Sierra 1500 AT4Sterling 2026 GMC Sierra 1500 AT4Sterling 2026 GMC Sierra 1500 AT4Sterling 2026 GMC Sierra 1500 AT4

    $60,204

    $1K
    Est. $1,132/mo

    Lorenzo Buick GMC

    4.4
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    Miami, FL (1,188 mi)
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  • Sterling 2026 GMC Sierra 1500 AT4Sterling 2026 GMC Sierra 1500 AT4Sterling 2026 GMC Sierra 1500 AT4Sterling 2026 GMC Sierra 1500 AT4Sterling 2026 GMC Sierra 1500 AT4Sterling 2026 GMC Sierra 1500 AT4

    $65,592

    $4.7K
    Est. $1,233/mo

    Regal Automotive Group

    4.6
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    Lakeland, FL (1,007 mi)
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  • Sterling Metallic 2026 GMC Sierra 1500 AT4Sterling Metallic 2026 GMC Sierra 1500 AT4Sterling Metallic 2026 GMC Sierra 1500 AT4Sterling Metallic 2026 GMC Sierra 1500 AT4Sterling Metallic 2026 GMC Sierra 1500 AT4Sterling Metallic 2026 GMC Sierra 1500 AT4

    $66,584

    $376
    6,945 mi.
    Est. $1,252/mo

    Audi Grapevine

    4.7
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    Grapevine, TX (807 mi)
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  • Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4

    $92,546

    $1K

    MSRP $75,650

    Est. $1,740/mo

    Starling Buick GMC Stuart

    4.9
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    Stuart, FL (1,095 mi)

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  • Gray 2026 GMC Sierra 1500 AT4Gray 2026 GMC Sierra 1500 AT4Gray 2026 GMC Sierra 1500 AT4Gray 2026 GMC Sierra 1500 AT4Gray 2026 GMC Sierra 1500 AT4Gray 2026 GMC Sierra 1500 AT4

    $65,054

    $250

    MSRP $73,855

    Est. $1,223/mo

    Bob Howard Buick GMC

    4.6
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    Oklahoma City, OK (686 mi)
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  • Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4

    $64,997

    Est. $1,222/mo

    Jimmy Britt Chevrolet

    4.3
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    Greensboro, GA (625 mi)
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  • Volcanic Red Tintcoat 2026 GMC Sierra 1500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 1500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 1500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 1500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 1500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 1500 AT4

    $73,035

    Est. $1,373/mo

    Tom Kelley Buick GMC

    4.8
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    Fort Wayne, IN (137 mi)
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  • Tan 2026 GMC Sierra 1500 AT4Tan 2026 GMC Sierra 1500 AT4Tan 2026 GMC Sierra 1500 AT4Tan 2026 GMC Sierra 1500 AT4Tan 2026 GMC Sierra 1500 AT4Tan 2026 GMC Sierra 1500 AT4

    $67,996

    $1K
    Est. $1,278/mo

    Bob Allen Motor Mall

    4.6
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    Danville, KY (329 mi)
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  • Sterling Metallic 2026 GMC Sierra 1500 AT4Sterling Metallic 2026 GMC Sierra 1500 AT4Sterling Metallic 2026 GMC Sierra 1500 AT4Sterling Metallic 2026 GMC Sierra 1500 AT4Sterling Metallic 2026 GMC Sierra 1500 AT4Sterling Metallic 2026 GMC Sierra 1500 AT4

    $63,000

    $1K

    MSRP $73,675

    Est. $1,184/mo

    Kirksville Motor Company

    4.9
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    Kirksville, MO (282 mi)
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  • Sterling Metallic 2026 GMC Sierra 1500 AT4Sterling Metallic 2026 GMC Sierra 1500 AT4Sterling Metallic 2026 GMC Sierra 1500 AT4Sterling Metallic 2026 GMC Sierra 1500 AT4Sterling Metallic 2026 GMC Sierra 1500 AT4Sterling Metallic 2026 GMC Sierra 1500 AT4

    $63,650

    $1.9K

    MSRP $74,650

    Est. $1,196/mo

    Walser Buick GMC Roseville

    4.2
    Check Availability
    Roseville, MN (354 mi)
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GMC Sierra 1500 prices by year

Model year Average price Deals
2025 GMC Sierra 1500 AT4 $60,175 75 Great deals
2024 GMC Sierra 1500 AT4 $55,572 19 Great deals
2023 GMC Sierra 1500 AT4 $50,243 15 Great deals
2022 GMC Sierra 1500 AT4 $44,901 43 Great deals
2021 GMC Sierra 1500 AT4 $38,371 120 Great deals
2020 GMC Sierra 1500 AT4 $36,744 37 Great deals
2019 GMC Sierra 1500 AT4 $33,359 14 Great deals

About the 2026 GMC Sierra 1500 AT4

Basics

AT4 shown.

Seating
5
Door count
4
Drivetrain
Four Wheel Drive
Combined MPG
23
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 AT4
FAQs

How much does the 2026 GMC Sierra 1500 AT4 cost?

The 2026 GMC Sierra 1500 AT4 price depends on optional features. Prices typically start at $67,000.

What is the MPG of the 2026 GMC Sierra 1500 AT4?

The 2026 GMC Sierra 1500 AT4 offers up to 21 MPG in city driving and 24 MPG on the highway for a combined rating of 23 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 AT4?

The 2026 GMC Sierra 1500 AT4 compares to and/or competes against the following vehicles:


Is the 2026 GMC Sierra 1500 AT4 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

AT4 (2 styles)

Style
4WD Crew Cab 147" AT4 4WD Crew Cab 157" AT4
Inventory price
Starting at $67,000 Starting at $67,500
Combined MPG
23 23
Engine
420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) 420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel)
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2026 GMC Sierra 1500 AT4 by popular city

GMC Sierra 1500 trims