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285/35 R18 Kumho Ecsta PS91 variants
Kumho Ecsta PS91 is a summer tyre made in total of 48 sizes, ranging from R18 to R18 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 285/35 R18 is 60mm wider than the narrowest dimension (225) and -10mm narrower than the widest one (275). This tyre profile of 35 means the sidewall height of the tyre is 35% of the tyre width (285mm), which results in 99.75mm sidewall height. In 285/35 R18, there is only one possible speed index for Kumho Ecsta PS91 - "Y", which is good for speeds up to 300 km/h. In 285/35 R18, Ecsta PS91 usually competes against P ZERO, which is a tyre from Pirelli with a rating of 61%, compared to 48% of the Kumho in question.
Kumho Ecsta PS91 is made in 48 sizes, starting from 225/40 R18 up to 275/30 R21.