Firestone Winterhawk 4 is a winter tyre made in total of 100 sizes, ranging from R14 to R14 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 215/50 R18 is 60mm wider than the narrowest dimension (155) and 60mm narrower than the widest one (275). This tyre profile of 50 means the sidewall height of the tyre is 50% of the tyre width (215mm), which results in 107.5mm sidewall height. In 215/50 R18, there is only one possible speed index for Firestone Winterhawk 4 - "V", which is good for speeds up to 240 km/h.
Relevant tyre tests in same or similiar dimension (215/50 R18)
Name | Stopping distance on wet | Stopping distance on snow |
---|---|---|
Best values in test | 32,8 | 25,4 |
Firestone Winterhawk 4 | 36 | 26,4 |
Name | Wet | Dry | Snow | Running costs | |||
---|---|---|---|---|---|---|---|
Best values in test | 2+ | 2+ | 2+ | 2+ | |||
Firestone Winterhawk 4 | 2 | 3+ | 2+ | 2+ | |||
Show test details |