Falken e.Ziex is a summer tyre made in total of 34 sizes, ranging from R15 to R15 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 255/45 R20 is 90mm wider than the narrowest dimension (165) and 10mm narrower than the widest one (265). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (255mm), which results in 114.75mm sidewall height. In 255/45 R20, there is only one possible speed index for Falken e.Ziex - "V", which is good for speeds up to 240 km/h. In 255/45 R20, e.Ziex usually competes against E.Ziex, which is a tyre from Falken with a rating of 90%, compared to 90% of the Falken in question. Latest test in 255/45 R20 was held by Automotorsport in 2023, where e.Ziex received rating "Very good" and finished on the 4. place. It was tested on a Kia EV6.
Relevant tyre tests in same or similiar dimension (255/45 R20)

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