Toyo Proxes T1 Sport is a summer tyre made in total of 18 sizes, ranging from R16 to R16 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 245/45 R18 is 20mm wider than the narrowest dimension (225) and 60mm narrower than the widest one (305). 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 R18, there is only one possible speed index for Toyo Proxes T1 Sport - "Y", which is good for speeds up to 300 km/h. In 245/45 R18, Proxes T1 Sport usually competes against Roadhawk, which is a tyre from Firestone with a rating of 57%, compared to 0% of the Toyo in question. Latest test in 245/45 R18 was held by Autobild in 2019, where Proxes T1 Sport received rating "Satisfactory" and finished on the 10. place. It was tested on a BMW 5 series.
