Continental PremiumContact 6 255/55 R18

Continental PremiumContact 6 is a summer tyre made in total of 306 sizes, ranging from R15 to R15 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 255/55 R18 is 70mm wider than the narrowest dimension (185) and 70mm narrower than the widest one (325). This tyre profile of 55 means the sidewall height of the tyre is 55% of the tyre width (255mm), which results in 140.25mm sidewall height. In 255/55 R18, PremiumContact 6 usually competes against Turanza 6, which is a tyre from Bridgestone with a rating of 78%, compared to 71% of the Continental in question.