GoodYear UltraGrip 9+ is a winter tyre made in total of 36 sizes, ranging from R14 to R14 - this particular dimension is R19, which means it fits to a 19 inch/482.6mm diameter wheel. 255/35 R19 is 100mm wider than the narrowest dimension (155) and -50mm narrower than the widest one (205). This tyre profile of 35 means the sidewall height of the tyre is 35% of the tyre width (255mm), which results in 89.25mm sidewall height. In 255/35 R19, UltraGrip 9+ usually competes against Winter i*cept RS2 W452, which is a tyre from Hankook with a rating of 72%, compared to 79% of the GoodYear in question.