GoodYear UltraGrip Performance+ is a winter tyre made in total of 177 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 10mm wider than the narrowest dimension (195) 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, there is only one possible speed index for GoodYear UltraGrip Performance+ - "V", which is good for speeds up to 240 km/h. In 205/55 R17, UltraGrip Performance+ usually competes against Blizzak LM-005, which is a tyre from Bridgestone with a rating of 88%, compared to 85% of the GoodYear in question.
