I will be replacing my rear OEM tires this week.

Should I keep the original make and model of tires (Bridgestone Potenza)?
Also, should I keep the OEM size or should I possibly go wider w/ shorter sidewall ex: (OEM - 225/50/16 to maybe like 235/45/16)?
I am on the stock 16" wheels.

 

If you stick with the OEM Potenza S02's:

Front - 205/55/16
Rear - 225/50/16

If you get another other tires besides the OEM:

Front - Same
Rear - 245/45/16


The OEM SO-2 is measure weird. It is actually equivalent to what I wrote above.

 

First, I don't think 235/45/16's exist. If they do, you'll be very limited to tire selection.

Second, to simplify what Nish was saying,

Bridgestone S02's 225 = 245 in any other tires, including other Bridgestones.

 

245/45-16R
225/50-16F

if you want a wider stance.

 

since the rear s-02's are 225 but really 245

are the front 205 really 215's?


if you can fit 225's in the front how much with it throw off the speedo by?

 

No, the fronts stay the same. Keep it at 205.