Prepare to witness the wildest 6x6 trucks ever engineered! These beasts, from the rugged Hennessey VelociRaptor to the ultra-luxurious Rolls-Royce Phantom 6x6, push the limits of power and design.

It rides on Hennessey 20-inch wheels shod with 37-inch tires, and to make sure they clear the fenders, a three-inch body lift ... 6x6 checks in around 6,500. Not that we expect buyers to use this ...