Nokian WR D4 is a winter tyre made in total of 82 sizes, ranging from R13 to R13 - this particular dimension is R14, which means it fits to a 14 inch/355.6mm diameter wheel. 175/65 R14 is 20mm wider than the narrowest dimension (155) and 100mm narrower than the widest one (275). This tyre profile of 65 means the sidewall height of the tyre is 65% of the tyre width (175mm), which results in 113.75mm sidewall height. In 175/65 R14, there is only one possible speed index for Nokian WR D4 - "T", which is good for speeds up to 190 km/h. In 175/65 R14, WR D4 usually competes against WR Snowproof, which is a tyre from Nokian with a rating of 55%, compared to 0% of the Nokian in question. Latest test in 175/65 R14 was held by ADAC in 2018, where WR D4 received rating "Satisfactory" and finished on the 4. place. It was tested on a Ford Fiesta.