Yokohama BLUEARTH-GT AE51 is a summer tyre made in total of 59 sizes, ranging from R14 to R14 - this particular dimension is R15, which means it fits to a 15 inch/381mm diameter wheel. 195/65 R15 is 40mm wider than the narrowest dimension (155) and 50mm narrower than the widest one (245). This tyre profile of 65 means the sidewall height of the tyre is 65% of the tyre width (195mm), which results in 126.75mm sidewall height. In 195/65 R15, there is only one possible speed index for Yokohama BLUEARTH-GT AE51 - "V", which is good for speeds up to 240 km/h. In 195/65 R15, BLUEARTH-GT AE51 usually competes against Roadhawk, which is a tyre from Firestone with a rating of 57%, compared to 0% of the Yokohama in question.