Toyo Celsius is a allround tyre made in total of 56 sizes, ranging from R14 to R14 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 205/55 R17 is 50mm wider than the narrowest dimension (155) and -10mm narrower than the widest one (195). 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 Toyo Celsius - "V", which is good for speeds up to 240 km/h. Latest test in 205/55 R17 was held by ARBÖ in 2022, where Celsius received rating "Not recommended" and finished on the 9. place. It was tested on a .