Brand
GMC
Model
Sierra 2500HD
Generation
Sierra 2500HD III (GMT900, facelift 2011) Extended Cab Long Box
Modification (Engine)
6.0 V8 (301 Hp) Automatic CNG
Start of production
2013
End of production
2014
Powertrain Architecture
Internal Combustion engine
Body type
Seats
5
Doors
2
Power
301 hp @ 5000 rpm.
Power per litre
50.4 hp/l
Torque
452 nm @ 4200 rpm.
Engine Model/Code
Engine displacement
5967 cm
Number of cylinders
8
Engine configuration
V-engine
Number of valves per cylinder
2
Fuel injection system
Multi-port manifold injection
Engine aspiration
Naturally aspirated engine
Valvetrain
OHV, VVT
Engine oil capacity
5.7 l
Coolant
15.5 l
Engine layout
Front, Longitudinal
Cylinder Bore
101.6 mm
Piston Stroke
92 mm
Compression ratio
9.6
Maximum engine speed
6000 rpm.
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
6 gears, automatic transmission Hydra-Matic
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
Tires size
245/75 R17; 265/70 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