Continental Wintercontact Ts860S is a winter tyre made in total of 48 sizes, ranging from R16 to R16 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 245/40 R20 is 50mm wider than the narrowest dimension (195) and -30mm narrower than the widest one (215). 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 R20, there is only one possible speed index for Continental Wintercontact Ts860S - "V", which is good for speeds up to 240 km/h.
245/40 R20 is found on 14 vehicles: