2021 GMC Sierra 2500 HD Extended Cab Horsepower And Torque Specs
Horsepower And Torque Specs
| Horsepower | 445 HP |
|---|
| Horsepower RPM | 2,800 rpm |
|---|
| Torque | 910 ft-lbs |
|---|
| Torque RPM | 1,600 rpm |
|---|
| HP per Liter | 67 HP/L |
|---|
| HP per Cubic Inch | 1.11 HP/cu in |
|---|
All Available Specs
Basics
| Year |
2021 |
| Make |
GMC |
| Model |
Sierra 2500 |
| Trim |
HD Extended Cab |
| Vehicle Type |
Diesel |
Seating & Access
| Doors |
4 |
| Seating Capacity |
6 |
Powertrain
| Engine |
DURAMAX B20-DIESEL COMPATIBLE |
| Engine Configuration |
V8 |
| Engine Size (L) |
6.6 L |
| Engine Size (cu in) |
402 cu in |
| Fuel Type |
Diesel |
| Engine Induction |
Turbo |
| Transmission |
Allison 10 Spd Auto |
| Drivetrain |
4WD |
Power & Performance
| Horsepower |
445 HP |
| Horsepower RPM |
2,800 rpm |
| Torque |
910 ft-lbs |
| Torque RPM |
1,600 rpm |
| HP/Liter |
67 HP/L |
| HP/Cubic Inch |
1.1 HP/cu in |
Fuel Tank & Range
| Gas Tank Size (gal) |
36.0 gal |
| Gas Tank Size (L) |
136.3 L |
Tires
| Front Tire Size |
LT245/75R17E |
| Front Tire Width |
245 |
| Front Tire Aspect Ratio |
75 |
| Front Rim Size |
17 |
| Front Tire Load Capacity |
E |
| Rear Tire Size |
LT245/75R17E |
| Rear Tire Width |
245 |
| Rear Tire Aspect Ratio |
75 |
| Rear Rim Size |
17 |
| Rear Tire Load Capacity |
E |
| Spare Tire Size |
LT245/75R17E |
Wheels
| Front Wheel Size |
17 x - TBD - |
| Rear Wheel Size |
17 x - TBD - |
| Front Wheel Material |
Steel |
| Rear Wheel Material |
Steel |
Weight & Capacity
| Towing Capacity (lbs) |
14,500 lbs |
Legroom
| First Row Legroom (in) |
44 in. |
| First Row Legroom (cm) |
111 cm |
| Second Row Legroom (in) |
35 in. |
| Second Row Legroom (cm) |
88 cm |
Headroom
| First Row Headroom (in) |
43 in. |
| First Row Headroom (cm) |
109 cm |
| Second Row Headroom (in) |
39 in. |
| Second Row Headroom (cm) |
99 cm |
Turning Measurements
| Turning Diameter C2C (ft) |
49.5 ft |
| Turning Diameter C2C (m) |
15.1 m |
| Turning Radius C2C (ft) |
24.8 ft |
| Turning Radius C2C (m) |
7.6 m |
Ground Clearance
| Front Ground Clearance (in) |
10.2 in. |
| Front Ground Clearance (cm) |
25.9 cm |
| Rear Ground Clearance (in) |
10.2 in. |
| Rear Ground Clearance (cm) |
25.9 cm |
| Min Ground Clearance (in) |
10.2 in. |
| Min Ground Clearance (cm) |
25.9 cm |
| Max Ground Clearance (in) |
10.2 in. |
| Max Ground Clearance (cm) |
25.9 cm |
Frame Measurements
| Cab to Axle (in) |
42 in. |
| Cab to Axle (cm) |
106 cm |
Height & Length
| Height (in) |
80 in. |
| Height (cm) |
203 cm |
| Height (ft) |
6.7 ft |
| Height (m) |
2.0 m |
| Length (in) |
240 in. |
| Length (cm) |
609 cm |
| Length (ft) |
20.0 ft |
| Length (m) |
6.1 m |
Width & Track
| Width w/o Mirrors (in) |
81.8 in. |
| Width w/o Mirrors (cm) |
207 cm |
| Width w/o Mirrors (ft) |
6.8 ft |
| Width w/o Mirrors (m) |
2.1 m |
Wheelbase
| Wheelbase (in) |
149 in. |
| Wheelbase (cm) |
378 cm |
| Wheelbase (ft) |
12.4 ft |
| Wheelbase (m) |
3.8 m |