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

2020 GMC Sierra 3500HD V (GMTT1XX) Crew Cab Long Bed - Photo 1

Key specs

GMC Sierra 3500HD V (GMTT1XX) Crew 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) Crew 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) Crew 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?

6759 mm
266.1 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) Crew Cab Long Bed 6.6 Duramax TD V8 (445 Hp) SRW Automatic?

3560 kg
7848 lbs.

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

5398 kg
11901 lbs.

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

10, automatic transmission Allison

GMC
- GMC Sierra 3500HD
  - Sierra 3500HD V (GMTT1XX) Crew 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) Crew 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

8 kg/Hp, 125 Hp/tonne

Weight-to-torque ratio

2.9 kg/Nm, 346.6 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

Volume and weights

Kerb Weight

3560 kg 7848 lbs.

Max. weight

5398 kg 11901 lbs.

Max load

1838 kg 4052 lbs.

Fuel tank capacity

136 l 35.93 US gal | 29.92 UK gal

Permitted trailer load with brakes (12%)

9072 kg 20000 lbs.

Dimensions

Length

6759 mm 266.1 in.

Width including mirrors

2079 mm 81.85 in.

Height

2049 mm 80.67 in.

Wheelbase

4369 mm 172.01 in.

Front track

1731 mm 68.15 in.

Rear (Back) track

1736 mm 68.35 in.

Ride height (ground clearance)

283 mm 11.14 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, 360x34 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) Crew Cab Long Bed 6.6 Duramax TD V8 (445 Hp) SRW Automatic /2020, 2021, 2022, 2023/