If you're in the market for a large, heavy-duty pickup truck, consider the 2002 GMC Sierra 2500HD 4X4. These are great trucks, they come with some of the best towing capacities of any heavy-duty pickup. They're also one of the most fun to drive. The heavy-duty 2500HD models have a hydroformed front frame that makes them exceptionally rigid. They also have suspensions that use torsion bars in front and semi-floating solid axles in the rear. Four-wheel disc brakes with ABS and GM's Hydro-Boost brake proportioning system help to reduce stopping distances by more than 40 percent and give the driver a solid pedal feel. Its 6.6-liter V-8 is rated at 300 horsepower and 520 pound-feet of torque, which easily outclasses Ford's 5.4-liter Triton V8 and Dodge's 5.9-liter V8. the 6.6-liter Duramax diesel is the toughest towing engine in the industry. The 2002 GMC Sierra 2500HD is a tough, powerful pick-up that will last for years to come.