Kumho Ecsta PS91 is a summer tyre made in total of 50 sizes, ranging from R18 to R18 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 275/35 R18 is 50mm wider than the narrowest dimension (225) and 0mm narrower than the widest one (275). This tyre profile of 35 means the sidewall height of the tyre is 35% of the tyre width (275mm), which results in 96.25mm sidewall height. In
275/35 R18, Ecsta PS91 usually competes against
Azenis FK510, which is a tyre from
Falken with a rating of 0%, compared to 11% of the
Kumho in question.