Re: Tire size for A4

["Rudy Consolacion" <rconsolacion@kumhotech.com>]

Todd,
Unfortunately, the section width must end in the number 5.  

Rudy Consolacion
Tire engineer by trade.

> My calculations show the following:
> 
> 205/55x16 = 220/55x17 = 240/50x17 = 270/45x17 = 300/40x17
> 
> This would give similar overall tire diameter so as not to
> change the speedo.
> 
> Greg Spark wrote:
> 
> > I am about to acquire a set of 17x8 rims for my 1.8T A4.
> > Standard tire size is 205/55x16.
> > I want to keep the same circumference to retain speedo accuracy and keep
> > transmission ratios the same.
> > I am unsure what 17inch tire gives the same rolling radius - my dealer tells
> > me 235/45x17 but I thought from other sources that people are using
> > 235/40x17.
> > My preference is for a 235 or 245 width so please help if you have the data
> > on wheel circumference for these size tires compared to standard.
> >
> 
> --
> Todd Young              WAM!NET Inc.
> tyoung@wamnet.com       6100 West 110th Street
> 612-886-5051            Bloomington, MN 55438-2664
> 800-585-1133 ext.5051   http://www.wamnet.com/
> 
> 
>