Firestone Roadhawk is a summer tyre made in total of 148 sizes, ranging from R15 to R15 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 225/45 R17 is 60mm wider than the narrowest dimension (165) and 70mm narrower than the widest one (295). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (225mm), which results in 101.25mm sidewall height. In 225/45 R17, there are 2 possible speed indexes for Firestone Roadhawk - "Y","W", which are good for speeds up to 300, 270 km/h. In 225/45 R17, Roadhawk usually competes against Dynaxer HP3, which is a tyre from Kleber with a rating of 41%, compared to 72% of the Firestone in question. Latest test in 225/45 R17 was held by Autobild in 2019, where Roadhawk received rating "Satisfactory" and finished on the 18. place. It was tested on a BMW 1.
Relevant tyre tests in same or similiar dimension (225/45 R17)
Name | Stopping distance on dry | Stopping distance on wet | |||||
---|---|---|---|---|---|---|---|
Best values in test | 58.1 | 24.8 | |||||
Firestone Roadhawk | 67.7 | 30.9 | |||||
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Name | Wet | Dry | Noise | Wear | |||
---|---|---|---|---|---|---|---|
Best values in test | 2,0 | 1,5 | 2,6 | 1,5 | |||
Firestone Roadhawk | 4,9 | 2,8 | 3,0 | 2,5 | |||
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Name | Points total | Wet | Dry | ||||
---|---|---|---|---|---|---|---|
Best values in test | 264 | 137 | 129 | ||||
Firestone Roadhawk | 121 | 75 | 121 | ||||
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Name | Stopping distance on dry | Stopping distance on wet | |||||
---|---|---|---|---|---|---|---|
Best values in test | 34,2 | 28,7 | |||||
Firestone Roadhawk | 35,2 | 32 | |||||
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Name | Wet | Dry | Running costs | ||||
---|---|---|---|---|---|---|---|
Best values in test | 1 | 1 | 1 | ||||
Firestone Roadhawk | 3+ | 2- | 2- | ||||
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225/45 R17 is found on 77 vehicles: