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  • Coastal Dune 2026 GMC Sierra 2500 AT4Coastal Dune 2026 GMC Sierra 2500 AT4Coastal Dune 2026 GMC Sierra 2500 AT4Coastal Dune 2026 GMC Sierra 2500 AT4Coastal Dune 2026 GMC Sierra 2500 AT4Coastal Dune 2026 GMC Sierra 2500 AT4

    $74,365

    Est. $1,302/mo

    Randy Curnow Buick GMC

    4.9
    Check Availability
    Kansas City, KS (16 mi)
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  • Sterling Metallic 2026 GMC Sierra 2500 AT4Sterling Metallic 2026 GMC Sierra 2500 AT4Sterling Metallic 2026 GMC Sierra 2500 AT4Sterling Metallic 2026 GMC Sierra 2500 AT4Sterling Metallic 2026 GMC Sierra 2500 AT4Sterling Metallic 2026 GMC Sierra 2500 AT4

    $80,641

    MSRP $91,035

    Est. $1,412/mo

    Oakes Buick GMC

    4.8
    Check Availability
    Kansas City, MO (20 mi)
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  • Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4

    $85,253

    MSRP $89,855

    Est. $1,493/mo

    Roberts-Robinson Chevrolet GMC

    4.9
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    Excelsior Springs, MO (24 mi)
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  • Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4

    $76,980

    $900
    18,709 mi.
    Est. $1,348/mo

    Van Chevrolet Cadillac

    3.8
    Check Availability
    Kansas City, MO (13 mi)
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  • Coastal Dune 2026 GMC Sierra 2500 AT4Coastal Dune 2026 GMC Sierra 2500 AT4Coastal Dune 2026 GMC Sierra 2500 AT4Coastal Dune 2026 GMC Sierra 2500 AT4Coastal Dune 2026 GMC Sierra 2500 AT4Coastal Dune 2026 GMC Sierra 2500 AT4

    $93,185

    Est. $1,632/mo

    Cable Dahmer Buick GMC of Kansas City

    4.0
    Check Availability
    Kansas City, MO (28 mi)
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  • Sterling Metallic 2026 GMC Sierra 2500 AT4Sterling Metallic 2026 GMC Sierra 2500 AT4Sterling Metallic 2026 GMC Sierra 2500 AT4Sterling Metallic 2026 GMC Sierra 2500 AT4Sterling Metallic 2026 GMC Sierra 2500 AT4Sterling Metallic 2026 GMC Sierra 2500 AT4

    $77,035

    $8.5K
    Est. $1,349/mo

    Randy Curnow Buick GMC

    4.9
    Check Availability
    Kansas City, KS (16 mi)
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  • Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4

    $74,365

    Est. $1,302/mo

    Randy Curnow Buick GMC

    4.9
    Check Availability
    Kansas City, KS (16 mi)
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  • GAZ/White 2026 GMC Sierra 2500 AT4GAZ/White 2026 GMC Sierra 2500 AT4GAZ/White 2026 GMC Sierra 2500 AT4GAZ/White 2026 GMC Sierra 2500 AT4GAZ/White 2026 GMC Sierra 2500 AT4GAZ/White 2026 GMC Sierra 2500 AT4

    $68,550

    Est. $1,200/mo

    Randy Curnow Buick GMC

    4.9
    Check Availability
    Kansas City, KS (16 mi)
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  • Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4

    $84,793

    MSRP $89,360

    Est. $1,485/mo

    Roberts-Robinson Chevrolet GMC

    4.9
    Check Availability
    Excelsior Springs, MO (24 mi)
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  • GAZ SUMMIT WHITE 2026 GMC Sierra 2500 AT4GAZ SUMMIT WHITE 2026 GMC Sierra 2500 AT4GAZ SUMMIT WHITE 2026 GMC Sierra 2500 AT4GAZ SUMMIT WHITE 2026 GMC Sierra 2500 AT4GAZ SUMMIT WHITE 2026 GMC Sierra 2500 AT4GAZ SUMMIT WHITE 2026 GMC Sierra 2500 AT4

    $73,870

    Est. $1,293/mo

    Randy Curnow Buick GMC

    4.9
    Check Availability
    Kansas City, KS (16 mi)
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  • GBA ONYX BLACK 2026 GMC Sierra 2500 AT4GBA ONYX BLACK 2026 GMC Sierra 2500 AT4GBA ONYX BLACK 2026 GMC Sierra 2500 AT4GBA ONYX BLACK 2026 GMC Sierra 2500 AT4GBA ONYX BLACK 2026 GMC Sierra 2500 AT4GBA ONYX BLACK 2026 GMC Sierra 2500 AT4

    $75,545

    Est. $1,323/mo

    Randy Curnow Buick GMC

    4.9
    Check Availability
    Kansas City, KS (16 mi)
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  • Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4

    $78,620

    $4K
    691 mi.
    Est. $1,377/mo

    Oakes Buick GMC

    4.8
    Check Availability
    Kansas City, MO (20 mi)
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  • Coastal Dune 2026 GMC Sierra 2500 AT4Coastal Dune 2026 GMC Sierra 2500 AT4Coastal Dune 2026 GMC Sierra 2500 AT4Coastal Dune 2026 GMC Sierra 2500 AT4Coastal Dune 2026 GMC Sierra 2500 AT4Coastal Dune 2026 GMC Sierra 2500 AT4

    $74,365

    Est. $1,302/mo

    Randy Curnow Buick GMC

    4.9
    Check Availability
    Kansas City, KS (16 mi)
    Quick view
  • GAZ SUMMIT WHITE 2026 GMC Sierra 2500 AT4GAZ SUMMIT WHITE 2026 GMC Sierra 2500 AT4GAZ SUMMIT WHITE 2026 GMC Sierra 2500 AT4GAZ SUMMIT WHITE 2026 GMC Sierra 2500 AT4GAZ SUMMIT WHITE 2026 GMC Sierra 2500 AT4GAZ SUMMIT WHITE 2026 GMC Sierra 2500 AT4

    $76,540

    $8.5K
    Est. $1,340/mo

    Randy Curnow Buick GMC

    4.9
    Check Availability
    Kansas City, KS (16 mi)
    Quick view
  • 2026 GMC Sierra 2500 AT42026 GMC Sierra 2500 AT42026 GMC Sierra 2500 AT42026 GMC Sierra 2500 AT42026 GMC Sierra 2500 AT42026 GMC Sierra 2500 AT4

    $99,025

    Est. $1,734/mo

    Randy Curnow Buick GMC

    4.9
    Check Availability
    Kansas City, KS (16 mi)
    Quick view
  • Coastal Dune 2026 GMC Sierra 2500 AT4Coastal Dune 2026 GMC Sierra 2500 AT4Coastal Dune 2026 GMC Sierra 2500 AT4Coastal Dune 2026 GMC Sierra 2500 AT4Coastal Dune 2026 GMC Sierra 2500 AT4Coastal Dune 2026 GMC Sierra 2500 AT4

    $82,355

    Est. $1,442/mo

    Randy Curnow Buick GMC

    4.9
    Check Availability
    Kansas City, KS (16 mi)
    Quick view
  • Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4

    $82,650

    Est. $1,447/mo

    Randy Curnow Buick GMC

    4.9
    Check Availability
    Kansas City, KS (16 mi)
    Quick view
  • Coastal Dune 2026 GMC Sierra 2500 AT4Coastal Dune 2026 GMC Sierra 2500 AT4Coastal Dune 2026 GMC Sierra 2500 AT4Coastal Dune 2026 GMC Sierra 2500 AT4Coastal Dune 2026 GMC Sierra 2500 AT4Coastal Dune 2026 GMC Sierra 2500 AT4

    $82,650

    Est. $1,447/mo

    Randy Curnow Buick GMC

    4.9
    Check Availability
    Kansas City, KS (16 mi)
    Quick view
  • Coastal Dune 2026 GMC Sierra 2500 AT4Coastal Dune 2026 GMC Sierra 2500 AT4Coastal Dune 2026 GMC Sierra 2500 AT4Coastal Dune 2026 GMC Sierra 2500 AT4Coastal Dune 2026 GMC Sierra 2500 AT4Coastal Dune 2026 GMC Sierra 2500 AT4

    $82,855

    Est. $1,451/mo

    Randy Curnow Buick GMC

    4.9
    Check Availability
    Kansas City, KS (16 mi)
    Quick view
  • Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4

    $80,860

    Est. $1,416/mo

    Randy Curnow Buick GMC

    4.9
    Check Availability
    Kansas City, KS (16 mi)
    Quick view
  • Coastal Dune 2026 GMC Sierra 2500 AT4Coastal Dune 2026 GMC Sierra 2500 AT4Coastal Dune 2026 GMC Sierra 2500 AT4Coastal Dune 2026 GMC Sierra 2500 AT4Coastal Dune 2026 GMC Sierra 2500 AT4Coastal Dune 2026 GMC Sierra 2500 AT4

    $82,650

    Est. $1,447/mo

    Randy Curnow Buick GMC

    4.9
    Check Availability
    Kansas City, KS (16 mi)
    Quick view
  • Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4

    $80,641

    MSRP $91,035

    Est. $1,412/mo

    Oakes Buick GMC

    4.8
    Check Availability
    Kansas City, MO (20 mi)
    Quick view
  • Coastal Dune 2026 GMC Sierra 2500 AT4Coastal Dune 2026 GMC Sierra 2500 AT4Coastal Dune 2026 GMC Sierra 2500 AT4Coastal Dune 2026 GMC Sierra 2500 AT4

    $80,641

    MSRP $91,035

    Est. $1,412/mo

    Oakes Buick GMC

    4.8
    Check Availability
    Kansas City, MO (20 mi)
    Quick view
  • Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4

    $77,035

    $8.5K
    Est. $1,349/mo

    Randy Curnow Buick GMC

    4.9
    Check Availability
    Kansas City, KS (16 mi)
    Quick view
  • Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4

    $79,248

    MSRP $90,935

    Est. $1,388/mo

    VanGuard GMC

    4.9
    Check Availability
    $689 delivery from Sherman, TX (406 mi)
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  • Coastal Dune 2026 GMC Sierra 2500 AT4Coastal Dune 2026 GMC Sierra 2500 AT4Coastal Dune 2026 GMC Sierra 2500 AT4Coastal Dune 2026 GMC Sierra 2500 AT4Coastal Dune 2026 GMC Sierra 2500 AT4Coastal Dune 2026 GMC Sierra 2500 AT4

    $82,196

    MSRP $94,285

    Est. $1,439/mo

    VanGuard GMC

    4.9
    Check Availability
    $689 delivery from Sherman, TX (406 mi)
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About the 2026 GMC Sierra 2500 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 2500 AT4
FAQs

How much does the 2026 GMC Sierra 2500 AT4 cost?

The 2026 GMC Sierra 2500 AT4 price depends on optional features. Prices typically start at $72,200.

What are some similar vehicles and competitors of the 2026 GMC Sierra 2500 AT4?

The 2026 GMC Sierra 2500 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 $72,200 Starting at $72,400
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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2026 GMC Sierra 2500 AT4 by city

GMC Sierra 2500 trims