J33GUY

I am considering changing my stock tyres Bridgestone RE040's for Goodyear Eagle F1 GS-D3's or Potenza SO-02A's.

The tyre size calculator I have used in the past, would recommend the 255/40's over the 245/40's - assuming both sizes are available.

http://www.tyresave.co.uk/tyresize.html

Any advice very welcome.

PUR NRG

Do a forum search. This topic has been discussed before.
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Penelopa