Comparison: Bridgestone Potenza Sport vs. Kumho Ecsta PS91 (2026)

In this comparison, we are comparing a tyre from a manufacturer from Japan (Bridgestone) against a tyre from a manufacturer from South Korea (Kumho). Generally, Bridgestone summer tyres are slightly better rated (89%) than Kumho (70%). In this particular case, the Bridgestone Potenza Sport has a better rating of 87% compared to 36% of the Kumho Ecsta PS91. The first tyre test of Bridgestone Potenza Sport was done in 2021, compared to 2015 when was the Kumho Ecsta PS91 first tested. Important for this comparison is also the SportAuto 2023 225/40 R18 test, where both the Potenza Sport and the Ecsta PS91 were tested. See more mutual tests below. When it comes to comparison, eu labels can be also interesting - 81% of Bridgestone Potenza Sport has A wet grip rating, whereas 68% of Kumho Ecsta PS91 has B rating. If you wonder where the tyres in question are made, the Potenza Sport is made in Poland/Hungary and Ecsta PS91 is made in Korea.