i've taken off ramps at high speeds with both the base and SH. as expected, the base tends to understeer more than the SH, but still felt under control. the rear end will seem to want to come around with the SH giving you the feeling it's a RWD car. the SH just hugs the corners better IMO. there's turns that i wouldn't try in a base that i would with the SH. not doggin on the handling of the base model, but i think most people who have pushed the limits of the SH will attest that the system does work the way it's meant to under those extreme circumstances. under normal driving, the base and SH are indistinguishable in handling. but once you become more aggressive, you can definately tell and SH from the base.