Kumho Ecsta PS91 is a summer tyre made in total of 50 sizes, ranging from R18 to R18 - this particular dimension is R19, which means it fits to a 19 inch/482.6mm diameter wheel. 285/30 R19 is 60mm wider than the narrowest dimension (225) and -10mm narrower than the widest one (275). This tyre profile of 30 means the sidewall height of the tyre is 30% of the tyre width (285mm), which results in 85.5mm sidewall height. In
285/30 R19, Ecsta PS91 usually competes against
Azenis FK510, which is a tyre from
Falken with a rating of 0%, compared to 11% of the
Kumho in question.