Ford unveiled the GT90 concept at the Detroit Auto Show in 1995, and the supercar with amazing looks has now shown up again, and this time it is on the auction block. The impressive concept has a body made of carbon fiber and it gets power from a quad-turbocharged 6.0-l V12 that puts out 720 hp. Top speed for the concept is estimated at 250mph -- Tomas M. I'm Free & For Free