Kumho Ecsta PS31 is a summer tyre made in total of 58 sizes, ranging from R15 to R15 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 205/40 R17 is 20mm wider than the narrowest dimension (185) and 70mm narrower than the widest one (275). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (205mm), which results in 82mm sidewall height. In
205/40 R17, Ecsta PS31 usually competes against
Advantage, which is a tyre from
BFGoodrich with a rating of 68%, compared to 0% of the
Kumho in question.
