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

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