In this comparison, we are comparing a tyre from a manufacturer from Japan (Yokohama) against a tyre from a manufacturer from Poland (Kormoran). Kormoran is a brand that belongs to the Michelin group. Generally, Yokohama allround tyres are slightly better rated (35%) than Kormoran (15%). In this particular case, the Yokohama BluEarth-4S AW21 has a better rating of 31% compared to 15% of the Kormoran All Season. The first tyre test of Yokohama BluEarth-4S AW21 was done in 2019, compared to 2020 when was the Kormoran All Season first tested. Important for this comparison is also the Autobild 2023 225/45 R17 test, where both the BluEarth-4S AW21 and the All Season were tested. See more mutual tests below. When it comes to comparison, eu labels can be also interesting - 86% of Yokohama BluEarth-4S AW21 has B wet grip rating, whereas 100% of Kormoran All Season has C rating.