GoodYear UltraGrip Performance 3 is a winter tyre made in total of 265 sizes, ranging from R14 to R14 - this particular dimension is R21, which means it fits to a 21 inch/533.4mm diameter wheel. 275/30 R21 is 100mm wider than the narrowest dimension (175) and 40mm narrower than the widest one (315). 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 GoodYear UltraGrip Performance 3 - "V", which is good for speeds up to 240 km/h.
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Relevant tyre tests in same or similiar dimension (275/30 R21)

| Name | Points total | Wet | Dry | Snow | Enviromental impact | ||
|---|---|---|---|---|---|---|---|
| Best values in test | 9.2 | 7.2 | 6.8 | 7.5 | 5.6 | ||
| GoodYear UltraGrip Performance 3 | 8.4 | 8.5 | 8.7 | 7.8 | 8.6 | ||
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| # | Name | Our rating | Tested in this dimension | Tested in same width dimension | Segment | Price |
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