Kumho Ecsta PS91 is a summer tyre made in total of 48 sizes, ranging from R18 to R18 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 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, there is only one possible speed index for Kumho Ecsta PS91 - "Y", which is good for speeds up to 300 km/h. In 225/40 R18, Ecsta PS91 usually competes against Advan Sport V105, which is a tyre from Yokohama with a rating of 0%, compared to 21% of the Kumho in question. Latest test in 225/40 R18 was held by SportAuto in 2017, where Ecsta PS91 received rating "Conditionally recommended" and finished on the 7. place. It was tested on a .
Relevant tyre tests in same or similiar dimension (225/40 R18)
SportAuto Summer tyre test 2023 225/40 R18 good Ranked #8 of 11Finishing 8th out of 11 competitors, the Kumho Ecsta PS91 delivered a performance that landed it a 'Good' rating. The tyre was praised for its satisfactory water drainage, acceptable cornering grip, and minimal load change reactions on wet surfaces. Furthermore, it showcased good deceleration capabilities on dry roads and was noted for its very quiet pass-by noise. However, it was criticized for its longer stopping distances and noticeable understeer in wet conditions. Additionally, concerns were raised over its sluggish steering response and increased rolling resistance. Despite these drawbacks, the Kumho Ecsta PS91 managed to provide a commendable overall performance.