2021 GMC Sierra 2500HD AT4
Specifications, live market data, colors, and factory features.
93 for sale right now
$39,236 – $71,990
Specifications
Performance
- Engine
- 6.6L 8-Cylinder L8T - SIDI, VVT, CAST IRON
- Horsepower
- 401 hp
- Torque
- 464 lb-ft
- Transmission
- 6-Speed Automatic
- Drivetrain
- 4WD
Fuel & Efficiency
- Fuel
- Gasoline
- Fuel Tank
- 36 gal
Dimensions
- Length
- 266.1″
- Width
- 81.9″
- Height
- 79.7″
- Wheelbase
- 172″
- Curb Weight
- 6,950 lbs
Body & Practicality
- Body Style
- Truck
- Doors
- 4
- Seating
- 5
- Base MSRP
- $58,600
Colors
Factory colors on 2021 GMC Sierra 2500HD AT4s for sale now.
Exterior
- Summit White(white)20
- Onyx Black(black)11
- Cayenne Red Tintcoat(red)6
- Black5
- Pacific Blue Metallic(blue)4
- Ebony Twilight Metallic(black)4
- Brownstone Metallic(brown)1
- White1
- [GAZ] Summit White(white)1
- BLACK1
Interior
- Jet Black w/Kalahari Accents(black)29
- Jet Black(black)15
- Jet Black with Kalahari Accents(black)4
- Black2
- Jet Black W/Kalahari Acce(black)1
- Jet Black With Kalahari Accents(black)1
- BLACK1
- Jet Black With Kalahari Accent(black)1
Live Market Data
Computed from active 2021 GMC Sierra 2500HD AT4 listings nationwide, updated continuously.
Price Distribution
Price vs. Mileage
Latest AT4 Listings
The newest 2021 GMC Sierra 2500HD AT4s on the market.
Used 2021 GMC Sierra 2500HD
$47,490
Est. $690/mo*
Eynon GMC
Used 2021 GMC Sierra 2500HD
$59,442
Est. $860/mo*
Graff Mt. Pleasant
Used 2021 GMC Sierra 2500HD
$53,584
Est. $777/mo*
Reineke Ford Lincoln
Used 2021 GMC Sierra 2500HD
$59,995
Est. $868/mo*
Unlimited Motors
Used 2021 GMC Sierra 2500HD
$52,488
Est. $761/mo*
Cochran Chrysler Dodge Jeep RAM
Used 2021 GMC Sierra 2500HD
$52,300
Est. $759/mo*
Leshen Auto Sales
Used 2021 GMC Sierra 2500HD
$49,018
Est. $712/mo*
Collierville Chrysler Dodge Jeep RAM
Used 2021 GMC Sierra 2500HD
$71,990
Est. $1,039/mo*
Lifted Trucks
What's Yours
Worth?
The median 2021 GMC Sierra 2500HD AT4 lists for $52,498 today.
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GMC Sierra 2500HD AT4
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