17" alloys tyre size question

[rasA4]

hi all i have s4 alloys fitted to my a4, with 225/45/17 and i was thinking of putting on 235/45/17 prob just on the rears would these fit on my ok without rubbing?

any opinons please

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[AndyMac]

Why?
225/45/17 is the correct size for your car, 235's will increase the rolling radius/gearing etc, why woud you wan to do this?

 

[PaulJC84]

I was thinking of getting 225/40/17 next because i thought the lower profile would look better.

 

[AndyMac]

This will reduce the rolling radius and put your speedo out even more, + you'll be clocking up about 5% more miles than you're actually doing.
Also the lower profile will leave a bigger gap between the wheelarch so it'll look like a 4x4. Get some 18's if you want it to look good.

 

[rasA4]

[ QUOTE ]
Why?
225/45/17 is the correct size for your car, 235's will increase the rolling radius/gearing etc, why woud you wan to do this?

[/ QUOTE ]
just had a thought with bigger tyres for the rear , however thinking about it not really worth it..
cheers for your thoughts..