Toyo Observe S944 is a winter tyre made in total of 66 sizes, ranging from R14 to R14 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 215/50 R18 is 40mm wider than the narrowest dimension (175) and 10mm narrower than the widest one (225). This tyre profile of 50 means the sidewall height of the tyre is 50% of the tyre width (215mm), which results in 107.5mm sidewall height. In
215/50 R18, Observe S944 usually competes against
MP93 Nordicca, which is a tyre from
Matador with a rating of 40%, compared to 51% of the
Toyo in question.
Winter
