"The RX-8 is more of a funtional car. It has a usable back seat along with a decent trunk for a car of its size."
"There is a big HP difference, 160 HP for the mini and 238 HP for the 8"
"the Mini Cooper does and will NOT seat four comfortably.it has NO trunk, and certainly won't seat adults in the back unless their midget children are driving.
"The S handles great, but it's not powerful enough and its FWD"
taken from http://www.rx8club.com