The 2002 GMC Sierra 2500HD belongs to the first generation of the model. This heavy-duty truck comes in five trims: Standard, SL, SLE, SLT, and Denali. Engine options include a 300-hp 6.0-liter V8, a 340-hp 8.1-liter V8, and a 300-hp 6.6-liter turbodiesel V8, all paired with either a 5-speed manual or a 4/5-speed automatic transmission driving power to the wheels through RWD or optional 4WD. Standard features include ABS, dual front airbags, and trailer hitch receiver whilst SLT and Denali trims offer leather upholstery, heated front seats, and remote keyless entry. Despite its rugged power, it still maintains a level of comfort and convenience.