Westlake SU318 HT 255/65 R16

Westlake SU318 HT is a summer tyre made in total of 12 sizes, ranging from R15 to R15 - this particular dimension is R16, which means it fits to a 16 inch/406.4mm diameter wheel. 255/65 R16 is 30mm wider than the narrowest dimension (225) and 30mm narrower than the widest one (285). This tyre profile of 65 means the sidewall height of the tyre is 65% of the tyre width (255mm), which results in 165.75mm sidewall height.