Bridgestone Potenza Sport 255/40 R19

Bridgestone Potenza Sport is a summer tyre made in total of 204 sizes, ranging from R13 to R13 - this particular dimension is R19, which means it fits to a 19 inch/482.6mm diameter wheel. 255/40 R19 is 50mm wider than the narrowest dimension (205) and 40mm narrower than the widest one (295). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (255mm), which results in 102mm sidewall height. In 255/40 R19, Potenza Sport usually competes against P ZERO PZ4, which is a tyre from Pirelli with a rating of 89%, compared to 87% of the Bridgestone in question.