Yokohama BLUEARTH-GT AE51 is a summer tyre made in total of 59 sizes, ranging from R14 to R14 - this particular dimension is R19, which means it fits to a 19 inch/482.6mm diameter wheel. 255/35 R19 is 100mm wider than the narrowest dimension (155) and -10mm narrower than the widest one (245). This tyre profile of 35 means the sidewall height of the tyre is 35% of the tyre width (255mm), which results in 89.25mm sidewall height. In 255/35 R19, BLUEARTH-GT AE51 usually competes against ZEON CS8, which is a tyre from Cooper with a rating of 42%, compared to 0% of the Yokohama in question.