Firestone Winterhawk 4 is a winter tyre made in total of 100 sizes, ranging from R14 to R14 - this particular dimension is R15, which means it fits to a 15 inch/381mm diameter wheel. 185/60 R15 is 30mm wider than the narrowest dimension (155) and 90mm narrower than the widest one (275). This tyre profile of 60 means the sidewall height of the tyre is 60% of the tyre width (185mm), which results in 111mm sidewall height. In 185/60 R15, there is only one possible speed index for Firestone Winterhawk 4 - "T", which is good for speeds up to 190 km/h. In 185/60 R15, Winterhawk 4 usually competes against Blizzak LM-005, which is a tyre from Bridgestone with a rating of 87%, compared to 65% of the Firestone in question.
Relevant tyre tests in same or similiar dimension (185/60 R15)
Name | Wet | Dry | Snow | Ice | Rolling resistance | Noise | Wear |
---|---|---|---|---|---|---|---|
Best values in test | 1,7 | 1,9 | 1,8 | 1,9 | 1,7 | 2,5 | 1,5 |
Firestone Winterhawk 4 | 2,0 | 3,2 | 2,2 | 2,1 | 1,7 | 2,8 | 2,5 |
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