In this comparison, we are comparing a tyre from a manufacturer from Poland (Kormoran) against a tyre from a manufacturer from Japan (Yokohama). Kormoran is a brand that belongs to the Michelin group. Generally, Yokohama summer tyres are slightly better rated (42%) than Kormoran (14%). The first tyre test of Kormoran Ultra High Performance was done in 2025, compared to 2023 when was the Yokohama Advan Sport V107 first tested. Important for this comparison is also the Autobild 2025 225/40 R18 test, where both the Ultra High Performance and the Advan Sport V107 were tested.