Kumho Ecsta PS91 is a summer tyre made in total of 48 sizes, ranging from R18 to R18 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 305/30 R20 is 80mm wider than the narrowest dimension (225) 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 (305mm), which results in 91.5mm sidewall height. In 305/30 R20, there is only one possible speed index for Kumho Ecsta PS91 - "Y", which is good for speeds up to 300 km/h.
| # | Name | Our rating | Tested in this dimension | Tested in same width dimension | Segment | Price |
|---|---|---|---|---|---|---|
| 1. | Continental SportContact 7 | Premium | £270 103 Y | |||
| 2. | Michelin Pilot Sport 4 S! Newer model available: Michelin Pilot Sport S 5 | Premium | £321 99 Y + 4 | |||
| 3. | Pirelli P ZERO PZ4 | Premium | £352 99 Y + 5 | |||
| 4. | Bridgestone Turanza T005! Newer model available: Bridgestone Turanza 6 | Premium | £335 103 Y + 1 | |||
| 5. | Bridgestone Potenza Sport! Newer model available: Bridgestone Potenza Sport Evo | Premium | £312 103 Y | |||
| 6. | Bridgestone POTENZA SPORT EVO | Premium | £313 103 Y | |||
| 7. | Hankook Ventus S1 evo3 K127 | Premium | £219 127 Y | |||
| 8. | Goodyear Eagle F1 Supersport | Premium | £256 103 Y + 1 | |||
| 9. | Hankook Ventus Prime 4 | Premium | £289 129 | |||
| 10. | Toyo Proxes Sport 2 | Upper-middle | £216 103 Y | |||
| 11. | Yokohama Advan Sport V107 | Upper-middle | £216 103 Y | |||
| 12. | Vredestein Ultrac | Premium | £244 103 Y | |||
| 13. | Kumho Ecsta PS91 | Upper-middle | £241 103 Y |