Originally Posted by Ochdx
The 250 handles great, but it's kinda sluggish. The 350 is a beast, but its doesn't handle as well.
I don't know but the IS350 that we test drove loaded with options including the sport package handled like a dream.
The IS250 is lil sluggish but when you turn the control switch for ECT PWR on instead of normal, that thing can do really well. I noticed a huge difference.