Vredestein Ultrac Pro 235/40 R18

Vredestein Ultrac Pro is a summer tyre made in total of 91 sizes, ranging from R18 to R18 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 235/40 R18 is 30mm wider than the narrowest dimension (205) and 120mm narrower than the widest one (355). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (235mm), which results in 94mm sidewall height. In 235/40 R18, Ultrac Pro usually competes against Atrezzo ZSR 2, which is a tyre from Sailun with a rating of 76%, compared to 79% of the Vredestein in question.