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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

    $75,918

    MSRP $83,425

    Est. $1,348/mo

    Courtesy Buick GMC

    4.9
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    Louisville, KY (276 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

    $86,807

    MSRP $92,130

    Est. $1,541/mo

    Southern Buick GMC Virginia Beach

    4.0
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    Virginia Beach, VA (710 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

    $86,460

    MSRP $91,460

    Est. $1,535/mo

    Wilson County GM

    4.1
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    Lebanon, TN (400 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

    $92,634

    $1K
    Est. $1,645/mo

    Darrell Waltrip Buick GMC

    4.8
    Check Availability
    Franklin, TN (415 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

    $77,255

    MSRP $81,720

    Est. $1,372/mo

    Walser Buick GMC Bloomington

    4.2
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    Bloomington, MN (353 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. $1,541/mo

    Fred Anderson Chevrolet Buick GMC

    4.1
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    Greer, SC (562 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

    $88,699

    MSRP $92,209

    Est. $1,575/mo

    Hill Buick GMC

    5.0
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    Newtown Square, PA (651 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

    $84,564

    MSRP $91,564

    Est. $1,501/mo

    Van Chevrolet

    4.6
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    Scottsdale, AZ (1,437 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

    $82,265

    MSRP $90,265

    Est. $1,461/mo

    Royal Moore GMC Buick

    4.9
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    Hillsboro, OR (1,769 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

    $82,502

    MSRP $90,365

    Est. $1,465/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

    $79,470

    MSRP $89,470

    Est. $1,411/mo

    Mayse Automotive

    4.5
    Check Availability
    Aurora, MO (471 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

    $90,078

    MSRP $92,534

    Est. $1,599/mo

    Tasca Buick GMC Clearwater

    4.8
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    Clearwater, FL (1,003 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

    $85,383

    MSRP $91,815

    Est. $1,516/mo

    Walser Buick GMC Roseville

    4.2
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    Roseville, MN (354 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

    $84,530

    MSRP $91,530

    Est. $1,501/mo

    Van Chevrolet

    4.6
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    Scottsdale, AZ (1,437 mi)

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  • Gray 2026 GMC Sierra 3500 AT4Gray 2026 GMC Sierra 3500 AT4Gray 2026 GMC Sierra 3500 AT4Gray 2026 GMC Sierra 3500 AT4Gray 2026 GMC Sierra 3500 AT4Gray 2026 GMC Sierra 3500 AT4

    $87,048

    Est. $1,546/mo

    McKenzie Buick GMC

    4.8
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    Milton, FL (780 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

    $70,900

    $2.1K
    1,162 mi.
    Est. $1,259/mo

    Henry Brown Buick GMC

    4.8
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    Gilbert, AZ (1,442 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

    $79,460

    $1.2K
    11,390 mi.
    Est. $1,411/mo

    Performance Buick GMC

    4.8
    Check Availability
    Cedar Knolls, NJ (688 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

    $75,998

    Est. $1,349/mo

    Luther Hudson Chevrolet GMC

    4.9
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    Hudson, WI (333 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

    $88,880

    MSRP $93,880

    Est. $1,578/mo

    Diamond Chevrolet GMC of Banning

    4.1
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    Banning, CA (1,679 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

    $85,004

    MSRP $92,004

    Est. $1,509/mo

    Van Chevrolet

    4.6
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    Scottsdale, AZ (1,437 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

    $87,717

    MSRP $97,344

    Est. $1,557/mo

    Fairway Chevrolet GMC

    4.3
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    Calcutta, OH (376 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

    $85,760

    $500

    MSRP $90,910

    Est. $1,523/mo

    Grand Rapids Chevrolet GMC

    4.3
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    Grand Rapids, MN (469 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

    $82,707

    Est. $1,469/mo

    Everett Buick GMC

    4.7
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    Bryant, AR (569 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

    $83,528

    Est. $1,483/mo

    Auto Gallery Chevrolet GMC, Inc.

    4.9
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    LaGrange, GA (628 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

    $84,074

    MSRP $94,100

    Est. $1,493/mo

    Ross Downing GMC of Gonzales

    4.0
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    Gonzales, LA (827 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

    $84,035

    MSRP $91,035

    Est. $1,492/mo

    Van Chevrolet

    4.6
    Check Availability
    Scottsdale, AZ (1,437 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

    $86,555

    $1.5K

    MSRP $91,755

    Est. $1,537/mo

    Koons Clarksville Chevy GMC

    4.5
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    Clarksville, MD (591 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

    $89,500

    MSRP $93,374

    Est. $1,589/mo

    Blaise Alexander GMC of Hazleton

    4.4
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    Hazle Township, PA (605 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

    $87,971

    Est. $1,562/mo

    Hanner Chevrolet GMC

    5.0
    Check Availability
    Baird, TX (921 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

    $86,189

    Est. $1,530/mo

    Lynch GM Superstore

    4.0
    Check Availability
    Burlington, WI (65 mi)
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GMC Sierra 3500 prices by year

Model year Average price Deals
2025 GMC Sierra 3500 AT4 $76,913 5 Great deals
2024 GMC Sierra 3500 AT4 $67,773 16 Great deals
2023 GMC Sierra 3500 AT4 $60,062 10 Good deals
2022 GMC Sierra 3500 AT4 $52,808 12 Good 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:


Is the 2026 GMC Sierra 3500 AT4 reliable?

The 2026 GMC Sierra 3500 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 3500 owners.

Ratings (2 reviews)

50% of drivers recommend this car

Rating breakdown (out of 5):
Comfort
4.0
Interior
4.0
Performance
4.5
Value
3.5
Exterior
5.0
Reliability
4.5
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