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Specs of GMC Sierra 3500HD V (GMTT1XX) Regular Cab Long Bed 6.6 Duramax TD V8 (445 Hp) 4WD SRW Automatic /2020, 2021, 2022, 2023/

Key specs

GMC Sierra 3500HD V (GMTT1XX) Regular Cab Long Bed 6.6 Duramax TD V8 (445 Hp) 4WD SRW Automatic /Pick-up 2020 - 2023/

What is the body type of GMC Sierra 3500HD V (GMTT1XX) Regular Cab Long Bed?
Pick-up, 2 Doors, 2 Seats
What is the power output of GMC Sierra 3500HD Pick-up 2020 6.6 Duramax TD V8 (445 Hp) 4WD 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) 4WD 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) 4WD SRW Automatic?
8, V-engine
What is the drivetrain of GMC Sierra 3500HD V (GMTT1XX) Regular Cab Long Bed Pick-up 2020 6.6 Duramax TD V8 (445 Hp) 4WD SRW Automatic?
All wheel drive (4x4). Internal Combustion engine. The Internal combustion engine (ICE) drives the rear wheels permanently, and the front wheels are driven through an electrically or mechanically operated clutch if necessary.
What is the length of 2020 GMC Sierra 3500HD Pick-up?
5982 mm
235.51 in.
What is the width of 2020 GMC Sierra 3500HD Pick-up?
2076 mm
81.73 in.
What is the kerb weight of 2020 GMC Sierra 3500HD V (GMTT1XX) Regular Cab Long Bed 6.6 Duramax TD V8 (445 Hp) 4WD SRW Automatic?
3422 kg
7544 lbs.
What is the maximum permissible mass of 2020 GMC Sierra 3500HD V (GMTT1XX) Regular Cab Long Bed 6.6 Duramax TD V8 (445 Hp) 4WD SRW Automatic?
5352 kg
11799 lbs.
What is the number of gears in What is the gearbox type of 2020 GMC Sierra 3500HD V (GMTT1XX) Regular Cab Long Bed 6.6 Duramax TD V8 (445 Hp) 4WD SRW Automatic?
10, automatic transmission Allison

General information

Brand
Modification (Engine)
6.6 Duramax TD V8 (445 Hp) 4WD SRW Automatic
Start of production
2020 year
End of production
2023 year
Powertrain Architecture
Internal Combustion engine
Body type
Pick-up
Seats
2
Doors
2

Performance specs

Fuel Type
Diesel
Weight-to-power ratio
7.7 kg/Hp, 130 Hp/tonne
Weight-to-torque ratio
2.8 kg/Nm, 360.6 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
8
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
4
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
3422 kg 7544 lbs.
Max. weight
5352 kg 11799 lbs.
Max load
1930 kg 4255 lbs.
Fuel tank capacity
106 l 28 US gal | 23.32 UK gal
Permitted trailer load with brakes (12%)
6577 kg 14500 lbs.

Dimensions

Length
5982 mm 235.51 in.
Width including mirrors
2076 mm 81.73 in.
Height
2056 mm 80.94 in.
Wheelbase
3595 mm 141.54 in.
Front track
1731 mm 68.15 in.
Rear (Back) track
1736 mm 68.35 in.
Ride height (ground clearance)
285 mm 11.22 in.

Drivetrain, brakes and suspension specs

Drivetrain Architecture
The Internal combustion engine (ICE) drives the rear wheels permanently, and the front wheels are driven through an electrically or mechanically operated clutch if necessary.
Drive wheel
All wheel drive (4x4)
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
Tires size
265/70 R17; 245/75 R17; 265/70 R18; 265/60 R20
Wheel rims size
7.5J x 17; 8J x 18; 8.5J x 20