Kumho WinterCraft WP71 255/40 R18

Kumho WinterCraft WP71 is a winter tyre made in total of 58 sizes, ranging from R16 to R16 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 255/40 R18 is 50mm wider than the narrowest dimension (205) and 20mm narrower than the widest one (275). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (255mm), which results in 102mm sidewall height. In 255/40 R18, WinterCraft WP71 usually competes against WR Snowproof P, which is a tyre from Nokian with a rating of 75%, compared to 0% of the Kumho in question.