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. 225/55 R17 is 70mm wider than the narrowest dimension (155) and 50mm narrower than the widest one (275). This tyre profile of 55 means the sidewall height of the tyre is 55% of the tyre width (225mm), which results in 123.75mm sidewall height. In 225/55 R17, there is only one possible speed index for Firestone Winterhawk 4 - "V", which is good for speeds up to 240 km/h. In 225/55 R17, Winterhawk 4 usually competes against WR D4, which is a tyre from Nokian with a rating of 54%, compared to 69% of the Firestone in question.
Relevant tyre tests in same or similiar dimension (225/55 R17)
Name | Stopping distance on wet | Stopping distance on snow | |||||
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Best values in test | 31,4 | 29,2 | |||||
Firestone Winterhawk 4 | 33,9 | 31,0 | |||||
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Name | Wet | Dry | Snow | Running costs | |||
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Best values in test | 2+ | 2+ | 1 | 1- | |||
Firestone Winterhawk 4 | 2+ | 3 | 2 | 2 | |||
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Name | |||||||
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Firestone Winterhawk 4 | |||||||
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Name | Wet | Dry | Snow | Ice | Noise | Wear | |
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Best values in test | 1,6 | 1,9 | 1,5 | 2,1 | 2,7 | 1,5 | |
Firestone Winterhawk 4 | 2,1 | 3,3 | 1,9 | 2,1 | 2,9 | 2,5 | |
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