Pirelli P ZERO PZ4 235/45 R18

Pirelli P ZERO PZ4 is a summer tyre made in total of 720 sizes, ranging from R13 to R13 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 235/45 R18 is 90mm wider than the narrowest dimension (145) and 100mm narrower than the widest one (335). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (235mm), which results in 105.75mm sidewall height. In 235/45 R18, P ZERO PZ4 usually competes against Potenza Sport, which is a tyre from Bridgestone with a rating of 87%, compared to 89% of the Pirelli in question.