Hardworking, heavy-duty C4500 GMC TopKick Series Trucks come equipped with a standard Vortec 8.1L V8 engine that delivers 325 horsepower and 450 lb.-ft. of torque. The available Duramax Diesel 6.6L V8 engine generates up to 330 horsepower and 620 lb.-ft. of torque to help you handle your toughest jobs. Engine specifications are based on 2007 diesel emissions-compliant engines.

Customize these heavy-duty trucks for your commercial needs, from ambulances (1) to snow removal, with ready-made packages designed to accommodate your business requirements. See the Online Order Guide for specification information. When the job demands a GMC, the C4500 TopKick series can be equipped to handle your heavy-duty workload.

1 Ambulance models available with diesel engines only.