I have a Superformance coupe, and am (or at least, used to be before I aged a bit
) 5'8". I have a friend who is 6'1" tall and on the passenger side, his head just hits the roof, and his legs are just a little too long to fit straight out in the foot box. On the other hand, I need the seat all the way forward and still have to have pedal extensions. When I get around to it I'm going to look into moving the foot pedals back. It's very comfortable for me (and for my 5'6" wife) but I think the only way it would work for a 6'+ guy would be to mount the seat on the floor all the way back without tracks.
Cheers
David
SPC0123