Firestone Firehawk Sport is a summer tyre made in total of 33 sizes, ranging from R18 to R18 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 245/30 R20 is 30mm wider than the narrowest dimension (215) and 30mm narrower than the widest one (275). This tyre profile of 30 means the sidewall height of the tyre is 30% of the tyre width (245mm), which results in 73.5mm sidewall height. In 245/30 R20, there is only one possible speed index for Firestone Firehawk Sport - "Y", which is good for speeds up to 300 km/h.
Relevant tyre tests in same or similiar dimension (245/30 R20)

| Name | Wet | Dry | |||||
|---|---|---|---|---|---|---|---|
| Best values in test | 1- | 2+ | |||||
| Firestone Firehawk Sport | 3- | 2 | |||||
| Show test details | |||||||
| # | Name | Our rating | Tested in this dimension | Tested in same width dimension | Segment | Price |
|---|---|---|---|---|---|---|
| 1. | Continental SportContact 7 | Premium | £204 90 Y | |||
| 2. | Michelin Pilot Sport 4 S! Newer model available: Michelin Pilot Sport S 5 | Premium | £237 90 Y + 1 | |||
| 3. | Pirelli P ZERO PZ4 | Premium | £239 90 Y + 3 | |||
| 4. | Bridgestone Turanza T005! Newer model available: Bridgestone Turanza 6 | Premium | £239 90 Y | |||
| 5. | Bridgestone Potenza Sport! Newer model available: Bridgestone Potenza Sport Evo | Premium | £176 90 Y + 2 | |||
| 6. | Bridgestone POTENZA SPORT EVO | Premium | £237 90 Y | |||
| 7. | Kumho Ecsta PS71 | Upper-middle | £134 90 Y | |||
| 8. | Hankook Ventus S1 evo3 K127 | Premium | £145 90 Y | |||
| 9. | Firestone Firehawk Sport | Upper-middle | £152 90 Y | |||
| 10. | Hankook Ventus Prime 4 | Premium | £229 90 Y | |||
| 11. | Yokohama Advan Sport V107 | Upper-middle | £177 107 |