Comparison: Kumho Ecsta PS91 vs. Michelin Pilot Sport 4 S (2026)

In this comparison, we are comparing a tyre from a manufacturer from South Korea (Kumho) against a tyre from a manufacturer from France (Michelin). Generally, Michelin summer tyres are slightly better rated (83%) than Kumho (70%). In this particular case, the Michelin Pilot Sport 4 S has a better rating of 96% compared to 36% of the Kumho Ecsta PS91. The first tyre test of Kumho Ecsta PS91 was done in 2015, compared to 2018 when was the Michelin Pilot Sport 4 S first tested. Important for this comparison is also the SportAuto 2023 225/40 R18 test, where both the Ecsta PS91 and the Pilot Sport 4 S were tested. When it comes to comparison, eu labels can be also interesting - 68% of Kumho Ecsta PS91 has B wet grip rating, whereas 62% of Michelin Pilot Sport 4 S has A rating. If you wonder where the tyres in question are made, the Ecsta PS91 is made in Korea and Pilot Sport 4 S is made in United States.