GMC Sierra 3500HD V (GMTT1XX) Double Cab Long Bed 6.6 Duramax TD V8 (445 Hp) SRW Automatic | Technical specs, data, fuel consumption, Dimensions

Key specs

GMC Sierra 3500HD V (GMTT1XX) Double Cab Long Bed 6.6 Duramax TD V8 (445 Hp) SRW Automatic /Pick-up 2020 - 2023/

What is the body type of GMC Sierra 3500HD V (GMTT1XX) Double Cab Long Bed?

Pick-up, 4 Doors, 5 Seats

What is the power output of GMC Sierra 3500HD Pick-up 2020 6.6 Duramax TD V8 (445 Hp) SRW Automatic?

445 Hp, 1234 Nm
910 lb.-ft.

What is the engine displacement of GMC Sierra 3500HD Pick-up 2020 6.6 Duramax TD V8 (445 Hp) SRW Automatic?

6.6 l
6604 cm³
403 cu. in.

What is the number of cylinders in 2020 GMC 6.6 Duramax TD V8 (445 Hp) SRW Automatic?

8, V-engine

What is the drivetrain of GMC Sierra 3500HD V (GMTT1XX) Double Cab Long Bed Pick-up 2020 6.6 Duramax TD V8 (445 Hp) SRW Automatic?

Rear wheel drive. Internal Combustion engine. The Internal combustion engine (ICE) drives the rear wheels of the vehicle.

What is the length of 2020 GMC Sierra 3500HD Pick-up?

6514 mm
256.46 in.

What is the width of 2020 GMC Sierra 3500HD Pick-up?

2079 mm
81.85 in.

What is the kerb weight of 2020 GMC Sierra 3500HD V (GMTT1XX) Double Cab Long Bed 6.6 Duramax TD V8 (445 Hp) SRW Automatic?

3485 kg
7683 lbs.

What is the maximum permissible mass of 2020 GMC Sierra 3500HD V (GMTT1XX) Double Cab Long Bed 6.6 Duramax TD V8 (445 Hp) SRW Automatic?

5375 kg
11850 lbs.

What are the number of gears and the gearbox type of 2020 GMC Sierra 3500HD V (GMTT1XX) Double Cab Long Bed 6.6 Duramax TD V8 (445 Hp) SRW Automatic?

10, automatic transmission Allison

GMC
- GMC Sierra 3500HD
  - Sierra 3500HD V (GMTT1XX) Double Cab Long Bed
    - 6.6 V8 (401 Hp) SRW Automatic
    - 6.6 V8 (401 Hp) DRW Automatic
    - 6.6 V8 (401 Hp) 4WD SRW Automatic
    - 6.6 V8 (401 Hp) 4WD DRW Automatic
    - 6.6 Duramax TD V8 (445 Hp) SRW Automatic
    - 6.6 Duramax TD V8 (445 Hp) DRW Automatic
    - 6.6 Duramax TD V8 (445 Hp) 4WD SRW Automatic
    - 6.6 Duramax TD V8 (445 Hp) 4WD DRW Automatic

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General information

Brand

GMC

Model

Sierra 3500HD

Generation

Sierra 3500HD V (GMTT1XX) Double Cab Long Bed

Modification (Engine)

6.6 Duramax TD V8 (445 Hp) SRW Automatic

Start of production

2020

End of production

2023

Powertrain Architecture

Internal Combustion engine

Body type

Pick-up

Seats

Doors

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Performance specs

Fuel Type

Diesel

Weight-to-power ratio

7.8 kg/Hp, 127.7 Hp/tonne

Weight-to-torque ratio

2.8 kg/Nm, 354.1 Nm/tonne

Engine specs

Power

445 Hp @ 2800 rpm.

Power per litre

67.4 Hp/l

Torque

1234 Nm @ 1600 rpm. 910 lb.-ft. @ 1600 rpm.

Engine layout

Front, Longitudinal

Engine Model/Code

Duramax L5P

Engine displacement

6604 cm³ 403 cu. in.

Number of cylinders

Engine configuration

V-engine

Cylinder Bore

103 mm 4.06 in.

Piston Stroke

99 mm 3.9 in.

Compression ratio

16:1

Number of valves per cylinder

Fuel injection system

Diesel Commonrail

Engine aspiration

Turbocharger, Intercooler

Valvetrain

OHV

Engine oil capacity

9.5 l 10.04 US qt | 8.36 UK qt

Engine oil specification

Coolant

29.1 l 30.75 US qt | 25.6 UK qt

Engine systems

Particulate filter

Volume and weights

Kerb Weight

3485 kg 7683 lbs.

Max. weight

5375 kg 11850 lbs.

Max load

1890 kg 4167 lbs.

Fuel tank capacity

136 l 35.93 US gal | 29.92 UK gal

Permitted trailer load with brakes (12%)

6577 kg 14500 lbs.

Dimensions

Length

6514 mm 256.46 in.

Width including mirrors

2079 mm 81.85 in.

Height

2054 mm 80.87 in.

Wheelbase

4127 mm 162.48 in.

Front track

1731 mm 68.15 in.

Rear (Back) track

1736 mm 68.35 in.

Ride height (ground clearance)

284 mm 11.18 in.

Drivetrain, brakes and suspension specs

Drivetrain Architecture

The Internal combustion engine (ICE) drives the rear wheels of the vehicle.

Drive wheel

Rear wheel drive

Number of gears and type of gearbox

10 gears, automatic transmission Allison

Front suspension

Coil spring, Double wishbone, Anti-roll bar

Rear suspension

Rigid axle suspension, Leaf spring

Front brakes

Ventilated discs, 350x40 mm

Rear brakes

Ventilated discs, 355x40 mm

Assisting systems

ABS (Anti-lock braking system)

Steering type

Steering rack and pinion

Power steering

Electric Steering

Tire size

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

Wheel rim size

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

Specs of GMC Sierra 3500HD V (GMTT1XX) Double Cab Long Bed 6.6 Duramax TD V8 (445 Hp) SRW Automatic /2020, 2021, 2022, 2023/