Pirelli WINTER SOTTOZERO Serie III is a winter tyre made in total of 227 sizes, ranging from R16 to R16 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 215/50 R18 is 10mm wider than the narrowest dimension (205) and 100mm narrower than the widest one (315). This tyre profile of 50 means the sidewall height of the tyre is 50% of the tyre width (215mm), which results in 107.5mm sidewall height. In
215/50 R18, WINTER SOTTOZERO Serie III usually competes against
P ZERO PZ4, which is a tyre from
Pirelli with a rating of 86%, compared to 0% of the
Pirelli in question.
