Vredestein ULTRAC 205/55 R17

Vredestein ULTRAC is a summer tyre made in total of 83 sizes, ranging from R15 to R15 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 205/55 R17 is 30mm wider than the narrowest dimension (175) and 70mm narrower than the widest one (275). This tyre profile of 55 means the sidewall height of the tyre is 55% of the tyre width (205mm), which results in 112.75mm sidewall height. In 205/55 R17, ULTRAC usually competes against PremiumContact 7, which is a tyre from Continental with a rating of 98%, compared to 43% of the Vredestein in question.