Dunlop SP Sport 270 is a summer tyre made in total of 9 sizes, ranging from R17 to R17 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 235/55 R18 is 20mm wider than the narrowest dimension (215) and 0mm narrower than the widest one (235). This tyre profile of 55 means the sidewall height of the tyre is 55% of the tyre width (235mm), which results in 129.25mm sidewall height. In
235/55 R18, SP Sport 270 usually competes against
Speed-Life 3, which is a tyre from
Semperit with a rating of 55%, compared to 0% of the
Dunlop in question.
