Nankang Winter Activa SV-55 is a winter tyre made in total of 51 sizes, ranging from R15 to R15 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 275/40 R20 is 80mm wider than the narrowest dimension (195) and 40mm narrower than the widest one (315). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (275mm), which results in 110mm sidewall height. In 275/40 R20, there is only one possible speed index for Nankang Winter Activa SV-55 - "V", which is good for speeds up to 240 km/h. In 275/40 R20, Winter Activa SV-55 usually competes against Wintrac Pro, which is a tyre from Vredestein with a rating of 68%, compared to 0% of the Nankang in question.
275/40 R20 is found on 8 vehicles: