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. 215/55 R18 is 50mm wider than the narrowest dimension (165) and 80mm narrower than the widest one (295). This tyre profile of 55 means the sidewall height of the tyre is 55% of the tyre width (215mm), which results in 118.25mm sidewall height. In 215/55 R18, there is only one possible speed index for Firestone Roadhawk - "V", which is good for speeds up to 240 km/h. In 215/55 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.
Relevant tyre tests in same or similiar dimension (215/55 R18)
Name | Wet | Dry | Noise | Wear | Fuel consumption | ||
---|---|---|---|---|---|---|---|
Best values in test | 2,1 | 1,5 | 2,4 | 1,0 | 1,2 | ||
Firestone Roadhawk | 2,9 | 2,2 | 3,0 | 2,0 | 2,3 | ||
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Name | Stopping distance on dry | Stopping distance on wet | |||||
---|---|---|---|---|---|---|---|
Best values in test | 35,7 | 27,5 | |||||
Firestone Roadhawk | 37,7 | 32,8 | |||||
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Name | Wet | Dry | Rolling resistance | Noise | Running costs | ||
---|---|---|---|---|---|---|---|
Best values in test | 61 | 56 | 20 | 8 | 18 | ||
Firestone Roadhawk | 43 | 44 | 20 | 5 | 14 | ||
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