Is it possible to change tyre size?

Associate
Joined
31 May 2005
Posts
1,931
Location
Alfreton,Derbyshire
I have a Honda CR-V which currently has the following tyre dimensions

225/60 R18

There are only a few different tyres in this specific size and the ones I'm after are out of stock everywhere at the moment. Is it possible to use a slightly different tyre dimension or is that a big no no?

Thanks
 
Soldato
Joined
12 Apr 2007
Posts
10,649
As long as you keep the same specification or better (ie speed rating etc.) then the only real issue is throwing the speedo out.


60 profile seems pretty hefty for an 18inch rim, is that standard for that car?

Edit, ahh the CRV is the 4x4 one, I was thinking of the CRX, lol! I would go with a 50 or 55 profile, 45 I think may feel a bit hard and crashy, especially for a car of that type.
 
Last edited:
Soldato
Joined
12 Apr 2007
Posts
10,649
The cost doesn't bother me its the reviews of the ones in stock are poor and the ones with good reviews are oos everywhere!

Try some online fitting services? you can usually find exactly what you want for a good/best price if you shop around a little.
 
Man of Honour
Joined
13 Nov 2009
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11,512
Location
Northampton
Code:
Tyre code   Diameter  Circumference  Difference
----------  --------  -------------  ----------
235/55 R18  716 mm    2249 mm        -1.58 %
215/60 R18  715 mm    2246 mm        -1.65 %
225/60 R18  727 mm    2284 mm         0 %
235/60 R18  739 mm    2322 mm         1.65 %
195/65 R18  711 mm    2234 mm        -2.27 %
205/65 R18  724 mm    2275 mm        -0.48 %
215/65 R18  737 mm    2315 mm         1.31 %
195/70 R18  730 mm    2293 mm         0.41 %
205/70 R18  744 mm    2337 mm         2.34 %

All possible sizes that will have a negligible difference to speedo accuracy.

Found using calc at bottom of this page

http://www.alloywheels.com/tyrecalc.asp
 
Soldato
Joined
4 Nov 2003
Posts
4,440
Location
Ashford
Before changing tyre sizes its a good idea to phone your insurance company and check if they are ok with it. When I moved from runflats to non runflats on my car they said that was fine as long as I didn't change the size or rating of the tyre.
 
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