Abstract: A motor coach is provided as well as a method of manufacturing a luxury motor coach conversion from a semi tractor, for example, a class 8 sleeper. The motor coach utilizes the sleeper portion of the original truck body and includes a rear body portion that is mounted to a frame of the tractor rearwardly of the sleeper portion. In an embodiment, the motor coach is manufactured by removing a significant portion of a rear panel of the sleeper portion, mounting the rear body against the sleeper, and securing a flange over a seam between the rear body and the sleeper. In an embodiment, the motor coach has multiple occupiable levels including an elevated level and a lower level which has a sunken floor that is vertically lower than the truck frame. Optionally, the motor coach includes a garage having a tiltable floor that supports an auxiliary vehicle during travel and pivots to slope downwardly for loading and unloading the auxiliary vehicle.