The 2011 Chevrolet Silverado 3500HD is a heavy-duty truck that belongs to the second generation of the Silverado lineup. It is powered by options of two engines: a 6.0L V8 capable of outputting 360 hp and a 6.6L Duramax turbo-diesel V8, delivering up to 397 hp. Both engines are coupled with a very sturdy six-speed automatic transmission and four-wheel drive (4WD). The truck is available in three trims (Work Truck, LT, and LTZ) with a variety of cab and bed lengths and styles. It is respected for its impressive towing and hauling capacities and also offers a balanced ride and handling blend. The 2011 Silverado 3500HD features a comfortable, functional interior with OnStar telematics system and an optional navigation system. This model year sees an upgraded Duramax engine with reduced noise and vibration, improved fuel efficiency, and increased power and torque.