Achingly cool and bursting with character, the 1955 Mercedes-Benz 404 Unimog is as tough as it is old. An icon of off-roading, this unstoppable beast features among many things, portal axles, front and rear differential locks, shift on the fly 4x4 and a whopping 17 inches of ground clearance. With an astonishing low center of gravity, it puts even the likes of the Land Rover Defender 90 in the shade. Here's your chance to own a true motoring legend.