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2020 6.6 Duramax TD V8 (445 Hp) 4WD Automatic

Technical specifications and auto data, engine info, fuel consumption performance specs, dimensions and volumes

FULL CAR SPECIFICATIONS

GENERAL INFO

Select Units

Brand

GMC

Modification

6.6 Duramax TD V8 (445 Hp) 4WD Automatic

Body Type

Pick-up

Start of production

2020

End of production

2023

Powertrain

ICE

Fuel type

Diesel

Fuel tank capacity

136 l 35.93 US gal
29.92 UK gal

Engine displacement

6604 cm³ 403 cu. In.

Power

445 hp (at 2800 rpm)

Torque

1234 Nm (at 1600 rpm) 910.15 lb. ft (at 1600 rpm)

Drive Axle

All wheel drive (4x4)

Gearbox type

Automatic

Number of Gears

10 Allison

Kerb weight

3573 kg 7877.1 lbs

Length

6352 mm 250.08 in

Doors

4

Seats

5

Wheel rims

7.5J x 17; 8J x 18; 8.5J x 20

ENGINE SPECIFICATION

Engine Model

Duramax L5P

Powertrain

ICE

Fuel type

Diesel

Fuel system

Diesel Commonrail

Engine Location

Front, Longitudinal

Turbine

Turbocharger

Engine systems

Particulate filter

Engine displacement

6604 cm³ 403 cu. In.

Power

445 hp (at 2800 rpm)

Torque

1234 Nm (at 1600 rpm) 910.15 lb. ft (at 1600 rpm)

Number of cylinders

8

Valves per cylinder

4

Position of cylinders

V-engine

Cylinder Bore

103 mm 4.06 in

Piston Stroke

99 mm 3.9 in

Compression ratio

16

Valvetrain

OHV

Engine oil capacity

9.5 l 10.07 US qt
8.36 UK qt

Coolant

29.1 l 30.85 US qt
25.6 UK qt

POWER-TO-WEIGHT RATIO (PWR)

Color Index

Dynamic Efficiency

high Performance

DIMENSIONS

Length

6352 mm 250.08 in

Width including mirrors

2079 mm 81.85 in

Height

2054 mm 80.87 in

Wheelbase

4037 mm 158.94 in

Front track

1731 mm 68.15 in

Rear (Back) track

1736 mm 68.35 in

Ride height

284 mm 11.18 in

DRIVETRAIN, SUSPENSION & TIRES

Drive Axle

All wheel drive (4x4)

Number of Gears

10 Allison

Brakes

- Front

Ventilated discs, 350x40 mm

- Rear

Ventilated discs, 360x34 mm

Assisting system

ABS

Steering type

Steering rack and pinion

Power steering

Electric Steering

Suspension

- Front

Coil spring, Double wishbone, Transverse stabilizer

- Rear

Rigid axle suspension, Leaf spring

Tire size

- Front

265/70 R17; 245/75 R17; 265/70 R18; 265/60 R20

Wheel rims

7.5J x 17; 8J x 18; 8.5J x 20

WEIGHTS & TRUNK SPACE

Kerb weight

3573 kg 7877.1 lbs

Max. weight

5489 kg 12101.2 lbs

Luggage capacity

- Max. roof load

1916 kg 4224.1 lbs

Max. trailer load with brakes

- 12%

9072 kg 20000.3 lbs

GMC Sierra 3500HD V (GMTT1XX) Crew Cab Standard Bed 6.6 Duramax TD V8 (445 Hp) 4WD Automatic is made in 2020 2021 2022 2023