Continental PremiumContact 6 is a summer tyre made in total of 266 sizes, ranging from R15 to R15 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 215/65 R17 is 30mm wider than the narrowest dimension (185) and 110mm narrower than the widest one (325). This tyre profile of 65 means the sidewall height of the tyre is 65% of the tyre width (215mm), which results in 139.75mm sidewall height. In 215/65 R17, there is only one possible speed index for Continental PremiumContact 6 - "V", which is good for speeds up to 240 km/h. In 215/65 R17, PremiumContact 6 usually competes against Turanza 6, which is a tyre from Bridgestone with a rating of 77%, compared to 78% of the Continental in question.