Continental EcoContact 6 Q is a summer tyre made in total of 91 sizes, ranging from R16 to R16 - this particular dimension is R21, which means it fits to a 21 inch/533.4mm diameter wheel. 275/30 R21 is 80mm wider than the narrowest dimension (195) and 50mm narrower than the widest one (325). This tyre profile of 30 means the sidewall height of the tyre is 30% of the tyre width (275mm), which results in 82.5mm sidewall height. In 275/30 R21, there is only one possible speed index for Continental EcoContact 6 Q - "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. | Michelin Pilot Sport 4 S! Newer model available: Michelin Pilot Sport S 5 | Premium | £388 98 Y | |||
| 2. | Pirelli P ZERO PZ4 | Premium | £262 98 W + 2 | |||
| 3. | Pirelli P ZERO lx. | Premium | £330 98 Y | |||
| 4. | Bridgestone POTENZA SPORT! Newer model available: Bridgestone Potenza Sport Evo | Premium | ||||
| 5. | Bridgestone POTENZA SPORT EVO | Premium | ||||
| 6. | Hankook Ventus S1 evo3 K127 | Premium | £194 98 Y | |||
| 7. | Bridgestone Turanza 6 | Premium | £288 98 Y + 2 | |||
| 8. | Hankook Ventus Prime 4 | Premium | £304 98 Y | |||
| 9. | Yokohama ADVAN SPORT V107 | Upper-middle | £233 98 Y | |||
| 10. | Kumho Ecsta PS91 | Upper-middle | £212 98 Y |