Continental ContiPremiumContact 5 is a summer tyre made in total of 16 sizes, ranging from R15 to R15 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 235/65 R17 is 50mm wider than the narrowest dimension (185) and 0mm narrower than the widest one (235). This tyre profile of 65 means the sidewall height of the tyre is 65% of the tyre width (235mm), which results in 152.75mm sidewall height. In 235/65 R17, there is only one possible speed index for Continental ContiPremiumContact 5 - "V", which is good for speeds up to 240 km/h. In 235/65 R17, ContiPremiumContact 5 usually competes against Quatrac 5, which is a tyre from Vredestein with a rating of 36%, compared to 68% of the Continental in question.