Apollo Aspire 4G is a summer tyre made in total of 27 sizes, ranging from R16 to R16 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 245/40 R18 is 40mm wider than the narrowest dimension (205) and 10mm narrower than the widest one (255). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (245mm), which results in 98mm sidewall height. In
245/40 R18, Aspire 4G usually competes against
Zeon CS8, which is a tyre from
Cooper with a rating of 38%, compared to 41% of the
Apollo in question.
