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245/40 R18 Semperit Speed-Grip 5 variants
Semperit Speed-Grip 5 is a winter tyre made in total of 92 sizes, ranging from R14 to R14 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 245/40 R18 is 80mm wider than the narrowest dimension (165) and 30mm narrower than the widest one (275). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (245mm), which results in 98mm sidewall height. In 245/40 R18, there is only one possible speed index for Semperit Speed-Grip 5 - "V", which is good for speeds up to 240 km/h. In 245/40 R18, Speed-Grip 5 usually competes against EuroWinter HS01, which is a tyre from Falken with a rating of 66%, compared to 73% of the Semperit in question.
Semperit Speed-Grip 5 is made in 92 sizes, starting from 165/70 R14 up to 275/45 R21.
