16" and 17" OEM wheel+tire sets have the same diameter and will fit just fine. The 16" tires are higher profile than the 17". 255mm rears fit fine on the OEM 17" wheels on my 2006 car and I see no reason they won't work on earlier cars from the time I've been under both generations. It appears fronts can go as wide as 225mm without buggering the body work from posts here but I've retained 215mm on the front for normal street and back road driving. These cars tend to oversteer especially if the throttle is lifted in a corner and I think this combination will help negate this. (If my recollection on the front is wrong I'm sure I'll be corrected quickly!