2020 6.6 V8 (401 Hp) Automatic

Brand

GMC

Model

Sierra 2500HD

Generation

GMC Sierra 2500HD V (GMTT1XX) Crew Cab Standard Bed

Modification

6.6 V8 (401 Hp) Automatic

Body Type

Pick-up

Start of production

2020

End of production

2023

Powertrain

ICE

Fuel type

Petrol (Gasoline)

Fuel tank capacity

136 l 35.93 US gal
29.92 UK gal

Power

401 hp (at 5200 rpm)

Torque

629 Nm (at 4000 rpm) 463.93 lb. ft (at 4000 rpm)

Drive Axle

Rear wheel drive

Gearbox type

Automatic

Number of Gears

6 Hydra-Matic

Kerb weight

2963 kg 6532.3 lbs

Length

6352 mm 250.08 in

Doors

4

Seats

5

Wheel rims

7.5J x 17; 8J x 18

Engine Model

L8T

Powertrain

ICE

Fuel type

Petrol (Gasoline)

Fuel system

Direct injection

Engine Location

Front, Longitudinal

Turbine

none

Power

401 hp (at 5200 rpm)

Torque

629 Nm (at 4000 rpm) 463.93 lb. ft (at 4000 rpm)

Number of cylinders

8

Valves per cylinder

2

Position of cylinders

V-engine

Cylinder Bore

103.25 mm 4.06 in

Piston Stroke

98 mm 3.86 in

Compression ratio

10.8

Valvetrain

OHV, VVT

Engine oil capacity

7.6 l 8.06 US qt
6.69 UK qt

Coolant

14.6 l 15.48 US qt
12.85 UK qt

Length

6352 mm 250.08 in

Width including mirrors

2079 mm 81.85 in

Height

2027 mm 79.8 in

Wheelbase

4037 mm 158.94 in

Front track

1731 mm 68.15 in

Rear (Back) track

1736 mm 68.35 in

Ride height

257 mm 10.12 in

Drive Axle

Rear wheel drive

Number of Gears

6 Hydra-Matic

Brakes

- Front

Ventilated discs, 355x40 mm

- Rear

Ventilated discs, 360x34 mm

Assisting system

ABS

Steering type

Cone worm with recirculation balls

Power steering

Hydraulic Steering

Suspension

- Front

Coil spring, Double wishbone, Transverse stabilizer

- Rear

Rigid axle suspension, Leaf spring

Tire size

- Front

265/70 R17; 245/75 R17; 275/70 R18

Wheel rims

7.5J x 17; 8J x 18

Kerb weight

2963 kg 6532.3 lbs

Max. weight

4604 kg 10150.1 lbs

Luggage capacity

- Max. roof load

1641 kg 3617.8 lbs

Max. trailer load with brakes

- 12%

6577 kg 14499.8 lbs