Firestone Roadhawk 205/65 R15

Firestone Roadhawk is a summer tyre made in total of 174 sizes, ranging from R13 to R13 - this particular dimension is R15, which means it fits to a 15 inch/381mm diameter wheel. 205/65 R15 is 40mm wider than the narrowest dimension (165) and 90mm narrower than the widest one (295). This tyre profile of 65 means the sidewall height of the tyre is 65% of the tyre width (205mm), which results in 133.25mm sidewall height. In 205/65 R15, Roadhawk usually competes against Summer, which is a tyre from Cooper with a rating of 76%, compared to 60% of the Firestone in question.