Gripmax SureGrip Pro Sport is a summer tyre made in total of 93 sizes, ranging from R18 to R18 - this particular dimension is R21, which means it fits to a 21 inch/533.4mm diameter wheel. 245/45 R21 is 40mm wider than the narrowest dimension (205) and 50mm narrower than the widest one (295). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (245mm), which results in 110.25mm sidewall height. In 245/45 R21, there is only one possible speed index for Gripmax SureGrip Pro Sport - "Y", which is good for speeds up to 300 km/h.
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Relevant tyre tests in same or similiar dimension (245/45 R21)

| Name | Stopping distance on dry | Stopping distance on wet | |||||
|---|---|---|---|---|---|---|---|
| Best values in test | 32.8 | 25.2 | |||||
| Gripmax SureGrip Pro Sport | 36.8 | 33.2 | |||||
| Show test details | |||||||
| # | Name | Our rating | Tested in this dimension | Tested in same width dimension | Segment | Price |
|---|---|---|---|---|---|---|
| 1. | Michelin Pilot Sport 4 SUV | 89.6%
87.6%
64%
| Premium | £297 104 W | ||
| 2. | Pirelli P ZERO PZ4 | 85.1%
79.2%
76.4%
| Premium | £291 104 Y + 1 | ||
| 3. | Continental PremiumContact 6! Newer model available: Continental PremiumContact 7 | 86%
92.3%
80.7%
| Premium | £331 104 Y | ||
| 4. | Hankook Ventus S1 evo3 SUV K127A | 84.4%
86.8%
89.7%
| Premium | £216 104 Y | ||
| 5. | Yokohama ADVAN Sport V107 | 82.4%
92.3%
75.5%
| Upper-middle | £216 104 Y |
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