Nokian WR A4 is a winter tyre made in total of 59 sizes, ranging from R16 to R16 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 235/55 R17 is 30mm wider than the narrowest dimension (205) and 10mm narrower than the widest one (245). 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 R17, WR A4 usually competes against
ContiWinterContact TS 850P, which is a tyre from
Continental with a rating of 0%, compared to 0% of the
Nokian in question. Latest test in
235/55 R17 was held by GTÜ in 2017, where WR A4 received rating "Recommended" and finished on the 5. place. It was tested on a
.