http://www.autoblog.com/2011/09/16/artist-building-every-part-of-1969-ford-mustang-entirely-out-of/
The gallery is awesome !
http://www.jonathanbrand.com/images/in_progress/paper_car/motor/pages/motor01.htm
http://www.jonathanbrand.com/images/in_progress/paper_car/wheel/pages/paper_wheel.htm
THAT is SUPER! Trying to think how hard it might have been hurts my brain. :P
I had posted something like this a some time back, check it out..
http://www.rcindia.org/rc-general-topics/papercraft-ships-planes-tanks-cars-and-trucks/msg73846/#msg73846