Vredestein Wintrac Pro+ is a winter tyre made in total of 63 sizes, ranging from R17 to R17 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 275/40 R18 is 70mm wider than the narrowest dimension (205) and 50mm narrower than the widest one (325). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (275mm), which results in 110mm sidewall height. In
275/40 R18, Wintrac Pro+ usually competes against
Blizzak LM-005, which is a tyre from
Bridgestone with a rating of 82%, compared to 67% of the
Vredestein in question.