Kumho ECSTA Sport S PS72 is a summer tyre made in total of 44 sizes, ranging from R18 to R18 - this particular dimension is R21, which means it fits to a 21 inch/533.4mm diameter wheel. 315/30 R21 is 90mm wider than the narrowest dimension (225) and -30mm narrower than the widest one (285). This tyre profile of 30 means the sidewall height of the tyre is 30% of the tyre width (315mm), which results in 94.5mm sidewall height. In 315/30 R21, there is only one possible speed index for Kumho ECSTA Sport S PS72 - "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 | 76.8%
85%
76.3%
| Premium | £383 105 Y + 2 | ||
| 2. | Pirelli P ZERO PZ4 | 85.1%
79.2%
76.4%
| Premium | £349 105 Y + 7 | ||
| 3. | Bridgestone Turanza 6 | 75.8%
78.6%
63%
| Premium | £247 105 Y | ||
| 4. | GoodYear Eagle F1 Supersport | 79.8%
68.4%
77.1%
| Premium | £325 105 Y | ||
| 5. | Yokohama Advan Sport V107 | 82.4%
92.3%
75.5%
| Upper-middle | £264 105 Y |
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