Tyre sizes

Wm Dave · Jul 8th, 2014, 01:04

Hi all

Need to replace my two front tyres on my S40 medusa wheels on researching seems a lot of people opt for using 225/40/18 rather than 215/45/18 due to this being a more common size of tyre.
Would just putting these on the front and having the standard on the rear cause any issues?
Obviously checking with insurance beforehand goes without saying

Cheers

Dave

kerrgreg · Jul 8th, 2014, 11:51

I would have thought this would not be recommended.

My thought process here - completely my own:

Changes the rake of the car, which in turn changes the weight distribution, which will change the handling and wear rate.

marccowley · Jul 8th, 2014, 13:17

I have 225/40r18 on mine with no problem. Dont think they look tall enough so going to try 235's next. So yeah, no actual problem, the do feel slighlty crashier over bumps though

Jul 8th, 2014, 01:04	#1
Wm Dave New Member Last Online: Jun 16th, 2021 14:56 Join Date: Sep 2012 Location: Coventry	Tyre sizes Hi all Need to replace my two front tyres on my S40 medusa wheels on researching seems a lot of people opt for using 225/40/18 rather than 215/45/18 due to this being a more common size of tyre. Would just putting these on the front and having the standard on the rear cause any issues? Obviously checking with insurance beforehand goes without saying Cheers Dave

Jul 8th, 2014, 11:51	#2
kerrgreg New Member Last Online: Feb 13th, 2021 14:24 Join Date: Feb 2013 Location: Portsmouth	I would have thought this would not be recommended. My thought process here - completely my own: Changes the rake of the car, which in turn changes the weight distribution, which will change the handling and wear rate.

Jul 8th, 2014, 13:17	#3
marccowley Senior Member Last Online: Jan 28th, 2024 20:45 Join Date: Jul 2009 Location: lowestoft	I have 225/40r18 on mine with no problem. Dont think they look tall enough so going to try 235's next. So yeah, no actual problem, the do feel slighlty crashier over bumps though

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