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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

    $68,187

    $490

    MSRP $75,750

    Est. $1,192/mo

    Walser Buick GMC Bloomington

    4.2
    Bloomington, MN (21 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

    $67,298

    $2.6K

    MSRP $74,750

    Est. $1,176/mo

    Walser Buick GMC Bloomington

    4.2
    Bloomington, MN (21 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

    $64,144

    $6.7K

    MSRP $74,555

    Est. $1,121/mo

    Walser Buick GMC Roseville

    4.2
    Roseville, MN (25 mi)
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  • Dune 2026 GMC Sierra 1500 AT4Dune 2026 GMC Sierra 1500 AT4Dune 2026 GMC Sierra 1500 AT4Dune 2026 GMC Sierra 1500 AT4Dune 2026 GMC Sierra 1500 AT4Dune 2026 GMC Sierra 1500 AT4

    $67,350

    $3.2K
    Est. $1,177/mo

    Lupient Buick GMC

    4.0
    Golden Valley, MN (17 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

    $65,014

    $1.4K

    MSRP $75,550

    Est. $1,136/mo

    Walser Buick GMC Roseville

    4.2
    Roseville, MN (25 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

    $66,151

    $2.5K

    MSRP $73,455

    Est. $1,156/mo

    Walser Buick GMC Bloomington

    4.2
    Bloomington, MN (21 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

    $66,797

    $3.2K

    MSRP $76,350

    Est. $1,167/mo

    McCarthy Auto World

    4.2
    Coon Rapids, MN (22 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

    $68,866

    $518

    MSRP $76,510

    Est. $1,204/mo

    Walser Buick GMC Bloomington

    4.2
    Bloomington, MN (21 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

    $64,012

    $2.4K

    MSRP $74,404

    Est. $1,119/mo

    Walser Buick GMC Roseville

    4.2
    Roseville, MN (25 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

    $69,545

    Est. $1,216/mo

    Luther Brookdale Chevrolet

    4.5
    BROOKLYN CENTER, MN (19 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

    $66,430

    $6.6K

    MSRP $73,755

    Est. $1,161/mo

    Walser Buick GMC Roseville

    4.2
    Roseville, MN (25 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

    $67,545

    Est. $1,181/mo

    Luther Brookdale Chevrolet

    4.5
    BROOKLYN CENTER, MN (19 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

    $68,187

    $490

    MSRP $75,750

    Est. $1,192/mo

    Walser Buick GMC Bloomington

    4.2
    Bloomington, MN (21 mi)
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  • Onyx Black 2026 GMC Sierra 1500 AT4

    $68,187

    $490

    MSRP $75,750

    Est. $1,192/mo

    Walser Buick GMC Bloomington

    4.2
    Bloomington, MN (21 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

    $70,850

    $3.2K
    Est. $1,238/mo

    Lupient Buick GMC

    4.0
    Golden Valley, MN (17 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

    $66,355

    $2.2K
    Est. $1,160/mo

    West Metro Buick GMC

    5.0
    Monticello, MN (21 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

    $68,434

    $499

    MSRP $76,015

    Est. $1,196/mo

    Walser Buick GMC Bloomington

    4.2
    Bloomington, MN (21 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

    $70,455

    Est. $1,231/mo

    Lupient Buick GMC

    4.0
    Golden Valley, MN (17 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

    $68,400

    $498

    MSRP $76,010

    Est. $1,195/mo

    Walser Buick GMC Roseville

    4.2
    Roseville, MN (25 mi)
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  • Onyx Black 2026 GMC Sierra 1500 AT4

    $68,187

    $490

    MSRP $75,750

    Est. $1,192/mo

    Walser Buick GMC Bloomington

    4.2
    Bloomington, MN (21 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

    $70,355

    Est. $1,230/mo

    Lupient Buick GMC

    4.0
    Golden Valley, MN (17 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

    $67,355

    $3.2K
    Est. $1,177/mo

    Lupient Buick GMC

    4.0
    Golden Valley, MN (17 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

    $67,419

    $6.8K

    MSRP $74,905

    Est. $1,178/mo

    Walser Buick GMC Roseville

    4.2
    Roseville, MN (25 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

    $70,355

    $3.2K
    Est. $1,230/mo

    Lupient Buick GMC

    4.0
    Golden Valley, MN (17 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

    $70,355

    $3.2K
    Est. $1,230/mo

    Lupient Buick GMC

    4.0
    Golden Valley, MN (17 mi)
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  • Onyx Black 2026 GMC Sierra 1500 AT4

    $68,866

    $518

    MSRP $76,510

    Est. $1,204/mo

    Walser Buick GMC Bloomington

    4.2
    Bloomington, MN (21 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

    $66,320

    $3.2K
    Est. $1,159/mo

    West Metro Buick GMC

    5.0
    Monticello, MN (21 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

    $66,815

    $3.2K
    Est. $1,168/mo

    West Metro Buick GMC

    5.0
    Monticello, MN (21 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

    $64,412

    $2.2K

    MSRP $73,455

    Est. $1,126/mo

    Woody Buick GMC Naperville

    4.9
    $356 delivery from Naperville, IL (356 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

    $60,679

    $6.7K

    MSRP $75,750

    Est. $1,061/mo

    Shottenkirk Fort Madison

    4.7
    $487 delivery from Fort Madison, IA (325 mi)
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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 (6 reviews)

83% of drivers recommend this car

Rating breakdown (out of 5):
Comfort
4.3
Interior
4.3
Performance
4.5
Value
3.7
Exterior
4.5
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 city

GMC Sierra 1500 trims