Apollo Alnac 4G All Season is a allround tyre made in total of 121 sizes, ranging from R13 to R13 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 225/55 R18 is 70mm wider than the narrowest dimension (155) and 10mm narrower than the widest one (235). This tyre profile of 55 means the sidewall height of the tyre is 55% of the tyre width (225mm), which results in 123.75mm sidewall height. In
225/55 R18, Alnac 4G All Season usually competes against
Vector 4Seasons Gen-3, which is a tyre from
Goodyear with a rating of 81%, compared to 0% of the
Apollo in question.
