Firestone Winterhawk 4 is a winter tyre made in total of 100 sizes, ranging from R14 to R14 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 215/65 R17 is 60mm wider than the narrowest dimension (155) and 60mm narrower than the widest one (275). This tyre profile of 65 means the sidewall height of the tyre is 65% of the tyre width (215mm), which results in 139.75mm sidewall height. In 215/65 R17, there is only one possible speed index for Firestone Winterhawk 4 - "H", which is good for speeds up to 210 km/h.
|Name||Stopping distance on wet||Stopping distance on snow|
|Best values in test||32,8||25,4|
|Firestone Winterhawk 4||36||26,4|