GoodYear UltraGrip Performance 2 is a winter tyre made in total of 11 sizes, ranging from R16 to R16 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 225/55 R17 is 20mm wider than the narrowest dimension (205) and 30mm narrower than the widest one (255). This tyre profile of 55 means the sidewall height of the tyre is 55% of the tyre width (225mm), which results in 123.75mm sidewall height. In 225/55 R17, there is only one possible speed index for GoodYear UltraGrip Performance 2 - "H", which is good for speeds up to 210 km/h. In 225/55 R17, UltraGrip Performance 2 usually competes against W462 Winter i*cept RS3, which is a tyre from Hankook with a rating of 75%, compared to 0% of the GoodYear in question.