Features of the GMC TopKick C4500 include a 6.6-liter Duramax V8 turbo-charged diesel engine that delivers 300 horsepower at 3000 revolutions per minute and has a 7-ton towing capability. In 2003, GMC built its truck with four-by-two and four-by-four configurations. The TopKick is about 8 feet high, almost 8 feet wide and at least 20.5 feet long, with a one-piece bumper and a slightly raked hood. Cameras all around the vehicle are standard equipment, enhancing the driver's ability to see.Continue Reading
The TopKick C4500 turbo-charged engine enables the medium-duty truck to reach a top speed of about 75 miles per hour. The truck can carry up to a 2.5-ton payload in addition to towing 14,300 pounds. Thick leaf springs supporting the front axles and air bladders supporting the rear make the payload and towing capacity possible. Steps on the sides and rear of the truck help the driver and passengers enter, exit, load and unload the vehicle. TopKick C4500s are equipped with hydraulic brakes that can stop the truck in about 228 feet from a speed of 70 miles per hour.
GMC also produced an 8.1-liter V8 325-horsepower gas-powered engine for the TopKick C4500. Interior features of the TopKick include leather seats with air bladder independent suspension, plush carpeting and faux wood trim. The Michigan automaker ceased production of the truck after the 2009 model year.Learn more about Car Makes & Models