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255/40 R18 Kumho Ecsta PS91 variants
No
No
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. 255/40 R18 is 30mm wider than the narrowest dimension (225) and 20mm narrower than the widest one (275). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (255mm), which results in 102mm sidewall height. In 255/40 R18, there is only one possible speed index for Kumho Ecsta PS91 - "Y", which is good for speeds up to 300 km/h. In 255/40 R18, Ecsta PS91 usually competes against Advan Sport V105, which is a tyre from Yokohama with a rating of 0%, compared to 16% of the Kumho in question.
255/40 R18 99 Y
A
D
72dB
Kumho Ecsta PS91 is made in 48 sizes, starting from 225/40 R18 up to 275/30 R21.
