235/40 R18 Firestone Roadhawk variants

Weight index

Select: 9595

Speed index

Select: Select, Y (300 km/h)Y (300 km/h)

This combination is not available.

MFSNo

RunflatNo

Firestone Roadhawk is a summer tyre made in total of 148 sizes, ranging from R15 to R15 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 235/40 R18 is 70mm wider than the narrowest dimension (165) and 60mm narrower than the widest one (295). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (235mm), which results in 94mm sidewall height. In 235/40 R18, there is only one possible speed index for Firestone Roadhawk - "Y", which is good for speeds up to 300 km/h. In 235/40 R18, Roadhawk usually competes against RainSport 5, which is a tyre from Uniroyal with a rating of 64%, compared to 59% of the Firestone in question.