Quote:
Originally Posted by kimona
Sorry. I was giving you diameter in inches so you could make a comparison among tyre sizes. The most common upgrade is from 185/60/15 to 205/55/15... because it is closest to OEM diameter.
Speedo error is not of concern with these tyre size changes. In fact, there is speedo error right out of the box with the Vitz/Yaris with OEM 14, 15, and 16 inch diameter wheels/tyres.
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just a second , forgive me for my car ignorance but how can 15' inch wheels have different diameters like 23.4 and 23.7 ? (doesn't 15 = diameter )
and how about filling the tyre with nitrogen instead of air which is better ?