2026 GMC Sierra 2500 AT4
Specifications, live market data, colors, and factory features.
3,195 for sale right now
$67,534 – $105,989
Specifications
Performance
- Engine
- 6.6L 8-Cylinder L8T
- Horsepower
- 401 hp
- Torque
- 464 lb-ft
- Transmission
- 10-Speed Automatic
- Drivetrain
- 4WD
Fuel & Efficiency
- Fuel
- Gasoline
- Fuel Tank
- 36 gal
Dimensions
- Length
- 266.8″
- Width
- 81.9″
- Height
- 79.7″
- Wheelbase
- 172″
- Curb Weight
- 7,482 lbs
Body & Practicality
- Body Style
- Truck
- Doors
- 4
- Seating
- 5
- Base MSRP
- $72,400
Colors
Factory colors on 2026 GMC Sierra 2500 AT4s for sale now.
Exterior
- Onyx Black(black)77
- Summit White(white)56
- Sterling Metallic(silver)45
- Coastal Dune(brown)32
- Dune(brown)17
- Volcanic Red Tintcoat(red)16
- Sterling(silver)16
- Volcanic Red(red)8
- Titanium Rush Metallic(silver)7
- Red4
Interior
- Jet Black w/Kalahari Accents(black)148
- Jet Black(black)100
- Jet Black With Kalahari Accents(black)18
- Jet Black with Kalahari accents(black)9
- Jet Blk With Kalahari Acc(black)4
- Jet Black With Kalahari Accent(black)3
- Jet Black With Kalahari Accents, Perforated Front Leather Seat T(black)3
- Jet Black With Kalahari Accents, Perforated Front(black)3
- BLACK2
- Jet Black with Kalahari accents, Perforated Front(black)1
Live Market Data
Computed from active 2026 GMC Sierra 2500 AT4 listings nationwide, updated continuously.
Price Distribution
Price vs. Mileage
Latest AT4 Listings
The newest 2026 GMC Sierra 2500 AT4s on the market.
Used 2026 GMC Sierra 2500
$82,640
Est. $1,191/mo*
Safford Chrysler Jeep Dodge RAM of Warrenton
New 2026 GMC Sierra 2500
$83,374
Est. $1,202/mo*
Todd Wenzel Buick GMC
New 2026 GMC Sierra 2500
$82,191
Est. $1,185/mo*
Rob Green Buick GMC
New 2026 GMC Sierra 2500
$88,839
Est. $1,279/mo*
Crain Buick GMC of Springdale
New 2026 GMC Sierra 2500
$82,681
Est. $1,192/mo*
Rob Green Buick GMC
New 2026 GMC Sierra 2500
$91,619
Est. $1,319/mo*
Tulley Buick GMC
New 2026 GMC Sierra 2500
$85,480
Est. $1,232/mo*
Vernon Ford
New 2026 GMC Sierra 2500
$83,388
Est. $1,202/mo*
Lindsay Buick GMC
What's Yours
Worth?
The median 2026 GMC Sierra 2500 AT4 lists for $83,347 today.
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GMC Sierra 2500 AT4
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