Star Performer SUV-1 is a summer tyre made in total of 15 sizes, ranging from R16 to R16 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 235/50 R18 is 20mm wider than the narrowest dimension (215) and 60mm narrower than the widest one (295). This tyre profile of 50 means the sidewall height of the tyre is 50% of the tyre width (235mm), which results in 117.5mm sidewall height. In 235/50 R18, there is only one possible speed index for Star Performer SUV-1 - "V", which is good for speeds up to 240 km/h. In 235/50 R18, Performer SUV-1 usually competes against Eagle F1 Asymmetric 3, which is a tyre from Goodyear with a rating of 0%, compared to 0% of the Star in question. Latest test in 235/50 R18 was held by Autobild in 2017, where Performer SUV-1 received rating "Not recommended" and finished on the 10. place. It was tested on a .
