Cooper Zeon 4XS Sport is a summer tyre made in total of 146 sizes, ranging from R16 to R16 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 255/55 R18 is 40mm wider than the narrowest dimension (215) and 40mm narrower than the widest one (295). This tyre profile of 55 means the sidewall height of the tyre is 55% of the tyre width (255mm), which results in 140.25mm sidewall height. In
255/55 R18, Zeon 4XS Sport usually competes against
Dynaxer HP5, which is a tyre from
Kleber with a rating of 51%, compared to 37% of the
Cooper in question. Latest test in
255/55 R18 was held by Autobild in 2020, where Zeon 4XS Sport received rating "Satisfactory" and finished on the 8. place. It was tested on a
BMW X5.