Continental PremiumContact 7 225/55 R18

Continental PremiumContact 7 is a summer tyre made in total of 69 sizes, ranging from R16 to R16 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 225/55 R18 is 20mm wider than the narrowest dimension (205) and 90mm narrower than the widest one (315). This tyre profile of 55 means the sidewall height of the tyre is 55% of the tyre width (225mm), which results in 123.75mm sidewall height. In 225/55 R18, PremiumContact 7 usually competes against Eagle F1 Asymmetric 6, which is a tyre from Goodyear with a rating of 94%, compared to 98% of the Continental in question.