Firestone Roadhawk is a summer tyre made in total of 161 sizes, ranging from R15 to R15 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 245/50 R20 is 80mm wider than the narrowest dimension (165) and 50mm narrower than the widest one (295). This tyre profile of 50 means the sidewall height of the tyre is 50% of the tyre width (245mm), which results in 122.5mm sidewall height. In 245/50 R20, there is only one possible speed index for Firestone Roadhawk - "H", which is good for speeds up to 210 km/h.
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Relevant tyre tests in same or similiar dimension (245/50 R20)

| Name | Stopping distance on dry | Stopping distance on wet | |||||
|---|---|---|---|---|---|---|---|
| Best values in test | 32,1 | 28,7 | |||||
| Firestone Roadhawk | 34,3 | 30,8 | |||||
| Show test details | |||||||

| Name | Wet | Dry | Running costs | ||||
|---|---|---|---|---|---|---|---|
| Best values in test | 1 | 1- | 1 | ||||
| Firestone Roadhawk | 2+ | 2 | 2- | ||||
| Show test details | |||||||
| # | Name | Our rating | Tested in this dimension | Tested in same width dimension | Segment | Price |
|---|---|---|---|---|---|---|
| 1. | Continental UltraContact NXT | Premium | £256 105 V | |||
| 2. | Michelin Pilot Sport 4 SUV | Premium | £213 102 V | |||
| 3. | Hankook iON evo | Premium | £336 105 V | |||
| 4. | Kumho Ecsta PS71 | Upper-middle | £187 102 V + 2 | |||
| 5. | Hankook Ventus S1 evo3 SUV K127A | Premium | £199 105 V | |||
| 6. | Continental PremiumContact 6! Newer model available: Continental PremiumContact 7 | Premium | £246 105 V | |||
| 7. | Hankook Ventus Prime 4 | Premium | £219 105 V + 2 | |||
| 8. | Firestone ROADHAWK! Newer model available: Firestone Roadhawk 2 | Upper-middle |