Kumho Ecsta PS71 225/40 R18

Kumho Ecsta PS71 is a summer tyre made in total of 227 sizes, ranging from R16 to R16 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 225/40 R18 is 30mm wider than the narrowest dimension (195) and 90mm narrower than the widest one (315). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (225mm), which results in 90mm sidewall height. In 225/40 R18, Ecsta PS71 usually competes against RainSport 5, which is a tyre from Uniroyal with a rating of 65%, compared to 78% of the Kumho in question. Latest test in 225/40 R18 was held by ADAC in 2020, where Ecsta PS71 received rating "Satisfactory" and finished on the 10. place. It was tested on a Volkswagen Golf.