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. 235/55 R17 is 40mm wider than the narrowest dimension (195) and 40mm narrower than the widest one (275). This tyre profile of 55 means the sidewall height of the tyre is 55% of the tyre width (235mm), which results in 129.25mm sidewall height. In 235/55 R17, there is only one possible speed index for GoodYear UltraGrip Performance+ - "V", which is good for speeds up to 240 km/h. In 235/55 R17, UltraGrip Performance+ usually competes against Blizzak LM-005, which is a tyre from Bridgestone with a rating of 87%, compared to 82% of the GoodYear in question. Latest test in 235/55 R17 was held by ADAC in 2020, where UltraGrip Performance+ received rating "Satisfactory" and finished on the 3. place. It was tested on a Ford Kuga.
