Home >> Car catalog >> Chevrolet >> Silverado 2500 HD >> Silverado 2500 HD IV (T1XX) Crew Cab Long Bed >> 6.6 Duramax V8 (445 Hp) Automatic
All brands Blog Login Register Car Specs API
English ▼

Specs of Chevrolet Silverado 2500 HD IV (T1XX) Crew Cab Long Bed 6.6 Duramax V8 (445 Hp) Automatic /2020, 2021, 2022, 2023/

Key specs

Chevrolet Silverado 2500 HD IV (T1XX) Crew Cab Long Bed 6.6 Duramax V8 (445 Hp) Automatic /Pick-up 2020 - 2023/

What is the body type of Chevrolet Silverado 2500 HD IV (T1XX) Crew Cab Long Bed?
Pick-up, 4 Doors, 5 Seats
What is the power output of Chevrolet Silverado 2500 HD Pick-up 2020 6.6 Duramax V8 (445 Hp) Automatic?
445 Hp, 1234 Nm
910 lb.-ft.
What is the engine displacement of Chevrolet Silverado 2500 HD Pick-up 2020 6.6 Duramax V8 (445 Hp) Automatic?
6.6 l
6604 cm3
403 cu. in.
What is the number of cylinders in 2020 Chevrolet 6.6 Duramax V8 (445 Hp) Automatic?
8, V-engine
What is the drivetrain of Chevrolet Silverado 2500 HD IV (T1XX) Crew Cab Long Bed Pick-up 2020 6.6 Duramax V8 (445 Hp) 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 Chevrolet Silverado 2500 HD Pick-up?
6759 mm
266.1 in.
What is the width of 2020 Chevrolet Silverado 2500 HD Pick-up?
2079 mm
81.85 in.
What is the kerb weight of 2020 Chevrolet Silverado 2500 HD IV (T1XX) Crew Cab Long Bed 6.6 Duramax V8 (445 Hp) Automatic?
3446 kg
7597 lbs.
What is the maximum permissible mass of 2020 Chevrolet Silverado 2500 HD IV (T1XX) Crew Cab Long Bed 6.6 Duramax V8 (445 Hp) Automatic?
4990 kg
11001 lbs.
What is the trunk (boot) capacity of 2020 Chevrolet Silverado 2500 HD Pick-up?
2364 l
83.5 cu. ft.
What are the number of gears and the gearbox type of 2020 Chevrolet Silverado 2500 HD IV (T1XX) Crew Cab Long Bed 6.6 Duramax V8 (445 Hp) Automatic?
10, automatic transmission Allison

General information

Modification (Engine)
6.6 Duramax V8 (445 Hp) Automatic
Start of production
2020
End of production
2023
Powertrain Architecture
Internal Combustion engine
Body type
Pick-up
Seats
5
Doors
4
Looking for Chevrolet Silverado 2500 HD on the used-car market?
Check its history →

Performance specs

Fuel Type
Diesel
Weight-to-power ratio
7.7 kg/Hp, 129.1 Hp/tonne
Weight-to-torque ratio
2.8 kg/Nm, 358.1 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
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
3446 kg 7597 lbs.
Max. weight
4990 kg 11001 lbs.
Max load
1544 kg 3404 lbs.
Trunk (boot) space - maximum
2364 l 83.5 cu. ft.
Fuel tank capacity
136 l 35.93 US gal | 29.92 UK gal
Permitted trailer load with brakes (12%)
8392 kg 18501 lbs.

Dimensions

Length
6759 mm 266.1 in.
Width
2079 mm 81.85 in.
Height
2023 mm 79.65 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)
256 mm 10.08 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
Independent torsion bar, double wishbone
Rear suspension
Rigid axle suspension, Leaf spring
Front brakes
Ventilated discs, 355x40 mm
Rear brakes
Ventilated discs, 360x34 mm
Assisting systems
ABS (Anti-lock braking system)
Steering type
Recirculating-ball steering
Power steering
Hydraulic 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