Vredestein Ultrac+ is a summer tyre made in total of 28 sizes, ranging from R15 to R15 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 215/50 R18 is 40mm wider than the narrowest dimension (175) and 20mm narrower than the widest one (235). This tyre profile of 50 means the sidewall height of the tyre is 50% of the tyre width (215mm), which results in 107.5mm sidewall height. In
215/50 R18, Ultrac+ usually competes against
PremiumContact 7, which is a tyre from
Continental with a rating of 98%, compared to 50% of the
Vredestein in question.