Austone SP901 235/55 R18

Austone SP901 is a winter tyre made in total of 78 sizes, ranging from R14 to R14 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 235/55 R18 is 80mm wider than the narrowest dimension (155) and 60mm narrower than the widest one (295). This tyre profile of 55 means the sidewall height of the tyre is 55% of the tyre width (235mm), which results in 129.25mm sidewall height. In 235/55 R18, SP901 usually competes against BluEarth winter V905, which is a tyre from Yokohama with a rating of 0%, compared to 15% of the Austone in question. Latest test in 235/55 R18 was held by ARBÖ in 2023, where SP901 received rating "Not recommended" and finished on the 9. place. It was tested on a VW Tiguan.