The 'S" has knife edge styling like the CTS Cadillac..As to the axel postion its all about head angle..This allows a milder angle (more forgiving than a steep angle) ,while shorting the Wheelbase by an inch or so...makes a big difference on the "P" model which has a wheelbase 3" longer and a more "Buick " type ride ..The "S" is more snappy...The forks are shared as are most of the components.
OlBull