Forget Hummer H1s, heavy-duty pickups and even small dump trucks—this pickup based on a GMC Topkick C4500 chassis-cab outsizes them all.

From the Archive: With 300 horses and 520 pound-feet of torque, you're not going to win many drag races, but the truck has no problem keeping up with traffic.

The GMC Topkick Was Discontinued After The Third Generation In December 2007, GM announced the sale of its medium truck line which included the Chevrolet Kodiak and GMC TopKick due to its ...

Ironhide started as a GMC C4500 4x4 Crew Cab TopKick before it went to the buildup company responsible for the vehicles for the movie.

OSHAWA, Ont.- It will cost a little more than $40,000 to purchase the GMC TopKick C4500 or C5500, according to the company, which released the manufacturer suggested retail prices on May 29.The C4500 ...

Preview of a seldom-seen 2004 GMC TopKick pickup truck that will be auctioned at the Mecum Auctions event in Orlando.