Brand
GMC
Model
Sierra 2500HD
Generation
Sierra 2500HD V (GMTT1XX) Crew Cab Long Bed
Modification (Engine)
6.6 Duramax TD V8 (445 Hp) Automatic
Start of production
2020
End of production
2023
Powertrain Architecture
Internal Combustion engine
Body type
Seats
5
Doors
4
Engine systems
Particulate filter
Power
445 hp @ 2800 rpm.
Power per litre
67.4 hp/l
Torque
1234 nm @ 1600 rpm.
Engine Model/Code
Engine displacement
6604 cm
Number of cylinders
8
Engine configuration
V-engine
Number of valves per cylinder
4
Fuel injection system
Diesel Commonrail
Engine aspiration
Turbocharger, Intercooler
Valvetrain
OHV
Engine oil capacity
9.5 l
Coolant
29.1 l
Engine layout
Front, Longitudinal
Cylinder Bore
103 mm
Piston Stroke
99 mm
Compression ratio
16
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
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 brakes
Ventilated discs, 350x40 mm
Rear brakes
Ventilated discs, 360x34 mm
Assisting systems
ABS (Anti-lock braking system)
Steering type
Cone worm with recirculation balls
Power steering
Hydraulic 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
Front suspension
Coil spring, Double wishbone, Transverse stabilizer
Rear suspension
Rigid axle suspension, Leaf Spring