Radar Dimax R8 is a summer tyre made in total of 22 sizes, ranging from R17 to R17 - 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 30mm narrower than the widest one (275). 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, Dimax R8 usually competes against
PremiumContact 6, which is a tyre from
Continental with a rating of 83%, compared to 0% of the
Radar in question.
