Nokian Powerproof 1 is a summer tyre made in total of 54 sizes, ranging from R17 to R17 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 235/50 R20 is 30mm wider than the narrowest dimension (205) and 40mm narrower than the widest one (275). This tyre profile of 50 means the sidewall height of the tyre is 50% of the tyre width (235mm), which results in 117.5mm sidewall height. In 235/50 R20, there is only one possible speed index for Nokian Powerproof 1 - "W", which is good for speeds up to 270 km/h.
| # | Name | Our rating | Tested in this dimension | Tested in same width dimension | Segment | Price |
|---|---|---|---|---|---|---|
| 1. | Continental UltraContact NXT | Premium | £179 104 T + 1 | |||
| 2. | Michelin Pilot Sport 4 SUV | Premium | £198 104 V + 2 | |||
| 3. | Goodyear Eagle F1 Asymmetric 6 | Premium | £186 104 H + 4 | |||
| 4. | Pirelli P ZERO PZ4 | Premium | £215 104 H + 2 | |||
| 5. | Hankook iON evo | Premium | £224 104 Y | |||
| 6. | Kumho Ecsta PS71 | Upper-middle | £170 100 V + 1 | |||
| 7. | Bridgestone TURANZA 6 | Premium | £176 100 T + 1 | |||
| 8. | Hankook Ventus S1 evo3 SUV K127A | Premium | £188 104 Y | |||
| 9. | Hankook Ventus Prime 4 | Premium | £125 100 T + 2 | |||
| 10. | Toyo Proxes Sport 2 | Upper-middle | £147 100 W + 1 | |||
| 11. | Nokian PowerProof 1! Newer model available: Nokian Powerproof 2 | Upper-middle | £182 104 W | |||
| 12. | Pirelli Scorpion Elect | Premium | £157 100 T |