2021 GMC Sierra 3500HD AT4
Specifications, live market data, colors, and factory features.
16 for sale right now
$33,999 – $59,695
Specifications
Performance
- Engine
- 6.6L V-Shaped L5P - DI, DURAMAX, GEN 5 VAR. 1
- Horsepower
- 401 hp
- Torque
- 464 lb-ft
- Transmission
- 6-Speed Automatic
- Drivetrain
- 4WD
Fuel & Efficiency
- Fuel
- Diesel
- Fuel Tank
- 36 gal
Dimensions
- Length
- 266.1″
- Width
- 81.9″
- Height
- 80.9″
- Wheelbase
- 172″
- Curb Weight
- 7,064 lbs
Body & Practicality
- Body Style
- Truck
- Doors
- 4
- Seating
- 5
- Base MSRP
- $59,800
Colors
Factory colors on 2021 GMC Sierra 3500HD AT4s for sale now.
Exterior
- White2
- Black (Ebony Twilight Metallic)(black)1
- Cayenne Red Tintcoat(red)1
Interior
- Black/Kalahari(black)1
- Jet Black w/Kalahari Accents(black)1
- Brown1
- Black1
Live Market Data
Computed from active 2021 GMC Sierra 3500HD AT4 listings nationwide, updated continuously.
Price Distribution
Price vs. Mileage
Latest AT4 Listings
The newest 2021 GMC Sierra 3500HD AT4s on the market.
Used 2021 GMC Sierra 3500HD
$56,495
Est. $818/mo*
Auto City
Used 2021 GMC Sierra 3500HD
$33,999
Est. $498/mo*
Amazing Luxury Motors
Used 2021 GMC Sierra 3500HD
$47,990
Est. $697/mo*
Auto Mall, Inc.
Used 2021 GMC Sierra 3500HD
$46,456
Est. $675/mo*
Dillon Mitsubishi
Used 2021 GMC Sierra 3500HD
$49,974
Est. $726/mo*
Vehicles Nashville
Used 2021 GMC Sierra 3500HD
$46,590
Est. $677/mo*
Runde Chevrolet
Used 2021 GMC Sierra 3500HD
$37,898
Est. $553/mo*
North Georgia Auto Brokers
Used 2021 GMC Sierra 3500HD
$43,748
Est. $637/mo*
Jerry's Chevrolet of Beresford
What's Yours
Worth?
The median 2021 GMC Sierra 3500HD AT4 lists for $47,141 today.
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GMC Sierra 3500HD AT4
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