2020 6.6 V8 (401 Hp) Automatic

Brand

GMC

Model

Sierra 2500HD

Generation

GMC Sierra 2500HD V (GMTT1XX) Double 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

2913 kg 6422.1 lbs

Length

6107 mm 240.43 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

6107 mm 240.43 in

Width including mirrors

2079 mm 81.85 in

Height

2031 mm 79.96 in

Wheelbase

3795 mm 149.41 in

Front track

1731 mm 68.15 in

Rear (Back) track

1736 mm 68.35 in

Ride height

259 mm 10.2 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

2913 kg 6422.1 lbs

Max. weight

4559 kg 10050.9 lbs

Luggage capacity

- Max. roof load

1646 kg 3628.8 lbs

Max. trailer load with brakes

- 12%

6577 kg 14499.8 lbs