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. 235/40 R18 is 10mm wider than the narrowest dimension (225) and 40mm narrower than the widest one (275). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (235mm), which results in 94mm sidewall height. In 235/40 R18, there is only one possible speed index for Kumho Ecsta PS91 - "Y", which is good for speeds up to 300 km/h. In 235/40 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.
Relevant tyre tests in same or similiar dimension (235/40 R18)
Name | |||||||
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Kumho Ecsta PS91 | |||||||
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Name | Wet | Dry | |||||
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Best values in test | 2+ | 1- | |||||
Kumho Ecsta PS91 | 2- | 2- | |||||
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Name | Points total | Wet | Dry | Enviromental impact | |||
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Best values in test | 9,3 | 6 | 7,6 | 7 | |||
Kumho Ecsta PS91 | 7,5 | 6 | 8,8 | 7,3 | |||
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