Imperial All Season Driver is a allround tyre made in total of 138 sizes, ranging from R13 to R13 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 275/40 R20 is 130mm wider than the narrowest dimension (145) and 0mm narrower than the widest one (275). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (275mm), which results in 110mm sidewall height. In 275/40 R20, there is only one possible speed index for Imperial All Season Driver - "Y", which is good for speeds up to 300 km/h. In 275/40 R20, All Season Driver usually competes against Turanza All Season 6, which is a tyre from Bridgestone with a rating of 90%, compared to 0% of the Imperial in question.
| # | Name | Our rating | Tested in this dimension | Tested in same width dimension | Segment | Price |
|---|---|---|---|---|---|---|
| 1. | Continental Allseasoncontact! Newer model available: Continental AllSeasonContact 2 | Premium | £241 106 Y | |||
| 2. | Kumho HA32 Solus 4S | Upper-middle | £151 106 W |