Nokian WR D4 is a winter tyre made in total of 82 sizes, ranging from R13 to R13 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 225/50 R17 is 70mm wider than the narrowest dimension (155) and 50mm narrower than the widest one (275). This tyre profile of 50 means the sidewall height of the tyre is 50% of the tyre width (225mm), which results in 112.5mm sidewall height. In
225/50 R17, WR D4 usually competes against
Wintercraft Wp52, which is a tyre from
Kumho with a rating of 55%, compared to 0% of the
Nokian in question. Latest test in
225/50 R17 was held by GTÜ in 2015, where WR D4 received rating "Recommended" and finished on the 4. place. It was tested on a
.