Kumho Ecsta PS71 215/55 R18

Kumho Ecsta PS71 is a summer tyre made in total of 216 sizes, ranging from R13 to R13 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 215/55 R18 is 20mm wider than the narrowest dimension (195) and 100mm narrower than the widest one (315). This tyre profile of 55 means the sidewall height of the tyre is 55% of the tyre width (215mm), which results in 118.25mm sidewall height. In 215/55 R18, Ecsta PS71 usually competes against Summer, which is a tyre from Cooper with a rating of 76%, compared to 86% of the Kumho in question.