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  • Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4

    $91,735

    MSRP $92,735

    Est. $1,724/mo

    Vision Buick GMC

    4.1
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    Rochester, NY (524 mi)

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  • Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4

    $92,750

    MSRP $92,750

    Est. $1,743/mo

    Thompson Buick Cadillac GMC

    3.8
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    Raleigh, NC (641 mi)

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  • Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4

    $88,698

    MSRP $92,699

    Est. $1,667/mo

    Corwin Buick GMC Cadillac Reno

    4.6
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    Reno, NV (1,683 mi)
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  • Coastal Dune 2026 GMC Sierra 3500 AT4Coastal Dune 2026 GMC Sierra 3500 AT4Coastal Dune 2026 GMC Sierra 3500 AT4Coastal Dune 2026 GMC Sierra 3500 AT4Coastal Dune 2026 GMC Sierra 3500 AT4Coastal Dune 2026 GMC Sierra 3500 AT4

    $91,884

    Est. $1,727/mo

    Quebedeaux Buick GMC

    4.5
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    Tucson, AZ (1,440 mi)
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  • Sterling Metallic 2026 GMC Sierra 3500 AT4Sterling Metallic 2026 GMC Sierra 3500 AT4Sterling Metallic 2026 GMC Sierra 3500 AT4Sterling Metallic 2026 GMC Sierra 3500 AT4Sterling Metallic 2026 GMC Sierra 3500 AT4Sterling Metallic 2026 GMC Sierra 3500 AT4

    $87,960

    Est. $1,653/mo

    Royal Buick GMC Cadillac

    4.7
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    Tucson, AZ (1,441 mi)
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  • Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4

    $86,844

    Est. $1,632/mo

    West Metro Buick GMC

    5.0
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    Monticello, MN (389 mi)
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  • Titanium Rush Metallic 2026 GMC Sierra 3500 AT4Titanium Rush Metallic 2026 GMC Sierra 3500 AT4Titanium Rush Metallic 2026 GMC Sierra 3500 AT4Titanium Rush Metallic 2026 GMC Sierra 3500 AT4Titanium Rush Metallic 2026 GMC Sierra 3500 AT4Titanium Rush Metallic 2026 GMC Sierra 3500 AT4

    $86,805

    MSRP $93,305

    Est. $1,632/mo

    Fred Anderson Chevrolet Buick GMC

    4.2
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    Greer, SC (562 mi)
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  • Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4

    $81,790

    MSRP $81,790

    Est. $1,537/mo

    Thompson Buick Cadillac GMC

    3.8
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    Raleigh, NC (641 mi)

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  • Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4

    $84,484

    MSRP $92,310

    Est. $1,588/mo

    Walser Buick GMC Bloomington

    4.2
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    Bloomington, MN (353 mi)
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  • Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4

    $74,387

    Est. $1,398/mo

    Luther Hudson Chevrolet GMC

    4.9
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    Hudson, WI (333 mi)
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  • Sterling Metallic 2026 GMC Sierra 3500 AT4Sterling Metallic 2026 GMC Sierra 3500 AT4Sterling Metallic 2026 GMC Sierra 3500 AT4Sterling Metallic 2026 GMC Sierra 3500 AT4Sterling Metallic 2026 GMC Sierra 3500 AT4Sterling Metallic 2026 GMC Sierra 3500 AT4

    $87,910

    MSRP $91,910

    Est. $1,652/mo

    Hill Buick GMC

    5.0
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    Newtown Square, PA (651 mi)
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  • Sterling 2026 GMC Sierra 3500 AT4Sterling 2026 GMC Sierra 3500 AT4Sterling 2026 GMC Sierra 3500 AT4Sterling 2026 GMC Sierra 3500 AT4Sterling 2026 GMC Sierra 3500 AT4Sterling 2026 GMC Sierra 3500 AT4

    $91,715

    Est. $1,724/mo

    Huston Cadillac GMC

    4.9
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    Lake Wales, FL (1,023 mi)
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  • Titanium Rush Metallic 2026 GMC Sierra 3500 AT4Titanium Rush Metallic 2026 GMC Sierra 3500 AT4Titanium Rush Metallic 2026 GMC Sierra 3500 AT4Titanium Rush Metallic 2026 GMC Sierra 3500 AT4Titanium Rush Metallic 2026 GMC Sierra 3500 AT4Titanium Rush Metallic 2026 GMC Sierra 3500 AT4

    $81,470

    2,881 mi.
    Est. $1,531/mo

    ALM Kennesaw

    4.4
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    Kennesaw, GA (569 mi)
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  • Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4

    $84,835

    MSRP $91,035

    Est. $1,595/mo

    Van Chevrolet

    4.6
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    Scottsdale, AZ (1,437 mi)

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  • Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4

    $82,880

    MSRP $92,639

    Est. $1,558/mo

    Rivard Buick GMC

    4.8
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    Tampa, FL (1,008 mi)
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  • Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4

    $82,241

    1,205 mi.
    Est. $1,546/mo

    Kelley Auto Mall of Decatur

    4.6
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    Decatur, IN (159 mi)
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  • Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4

    $90,034

    MSRP $92,534

    Est. $1,692/mo

    Tasca Buick GMC Clearwater

    4.8
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    Clearwater, FL (1,003 mi)
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  • White Sand 2026 GMC Sierra 3500 AT4White Sand 2026 GMC Sierra 3500 AT4White Sand 2026 GMC Sierra 3500 AT4White Sand 2026 GMC Sierra 3500 AT4White Sand 2026 GMC Sierra 3500 AT4White Sand 2026 GMC Sierra 3500 AT4

    $80,903

    5,127 mi.
    Est. $1,521/mo

    Holz Motors

    4.7
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    Hales Corners, WI (76 mi)
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  • Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4

    $79,470

    MSRP $89,470

    Est. $1,494/mo

    Mayse Automotive

    4.6
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    Aurora, MO (471 mi)
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  • Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4

    $83,269

    $7K

    MSRP $90,269

    Est. $1,565/mo

    GMC of Rochester

    4.3
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    Rochester, MN (289 mi)

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  • Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4

    $83,703

    MSRP $90,365

    Est. $1,573/mo

    Rydell Chevrolet GMC of Grand Forks

    4.6
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    Grand Forks, ND (620 mi)
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  • Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4

    $75,800

    $100
    1,125 mi.
    Est. $1,425/mo

    Henry Brown Buick GMC

    4.8
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    Gilbert, AZ (1,442 mi)
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  • Volcanic Red 2026 GMC Sierra 3500 AT4Volcanic Red 2026 GMC Sierra 3500 AT4Volcanic Red 2026 GMC Sierra 3500 AT4Volcanic Red 2026 GMC Sierra 3500 AT4Volcanic Red 2026 GMC Sierra 3500 AT4Volcanic Red 2026 GMC Sierra 3500 AT4

    $80,890

    $3.5K
    Est. $1,520/mo

    Salt Lake Valley Buick GMC

    4.4
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    South Salt Lake, UT (1,259 mi)
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  • Coastal Dune 2026 GMC Sierra 3500 AT4Coastal Dune 2026 GMC Sierra 3500 AT4Coastal Dune 2026 GMC Sierra 3500 AT4Coastal Dune 2026 GMC Sierra 3500 AT4Coastal Dune 2026 GMC Sierra 3500 AT4Coastal Dune 2026 GMC Sierra 3500 AT4

    $82,995

    6,363 mi.
    Est. $1,560/mo

    Hendrick Chevrolet

    4.5
    Check Availability
    Columbia, SC (644 mi)
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  • Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4

    $86,135

    $1K
    Est. $1,619/mo

    Handy Cadillac Buick GMC

    4.0
    Check Availability
    Saint Albans, VT (758 mi)
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  • Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4

    $82,114

    $8K

    MSRP $91,114

    Est. $1,543/mo

    GMC of Rochester

    4.3
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    Rochester, MN (289 mi)

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  • Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4

    $90,964

    MSRP $90,465

    Est. $1,710/mo

    Murdock GM

    4.4
    Check Availability
    Logan, UT (1,242 mi)
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GMC Sierra 3500 prices by year

Model year Average price Deals
2025 GMC Sierra 3500 AT4 $76,736 24 Good deals
2024 GMC Sierra 3500 AT4 $68,522 5 Great deals
2023 GMC Sierra 3500 AT4 $58,736 8 Great deals
2022 GMC Sierra 3500 AT4 $53,847 11 Great deals

About the 2026 GMC Sierra 3500 AT4

Basics

AT4 shown.

Seating
5
Door count
4
Drivetrain
Four Wheel Drive
Combined MPG
0
Transmission
10-Speed A/T
Engine
470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel)
Side view of the 2026 GMC Sierra 3500 AT4
FAQs

How much does the 2026 GMC Sierra 3500 AT4 cost?

The 2026 GMC Sierra 3500 AT4 price depends on optional features. Prices typically start at $73,400.

What are some similar vehicles and competitors of the 2026 GMC Sierra 3500 AT4?

The 2026 GMC Sierra 3500 AT4 compares to and/or competes against the following vehicles:


Trims

AT4 (2 styles)

Style
4WD Crew Cab 159" AT4 4WD Crew Cab 172" AT4
Inventory price
Starting at $73,400 Starting at $73,600
Combined MPG
0 0
Engine
470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel)
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GMC Sierra 3500 trims