Comparison: Cooper Discoverer All Season vs. Kumho Solus HA31 (2026)

In this comparison, we are comparing a tyre from a manufacturer from USA (Cooper) against a tyre from a manufacturer from South Korea (Kumho). Generally, Kumho allround tyres are slightly better rated (63%) than Cooper (20%). The first tyre test of Cooper Discoverer All Season was done in 2019, compared to 2016 when was the Kumho Solus HA31 first tested. Important for this comparison is also the Autobild 2019 225/45 R17 test, where both the Discoverer All Season and the Solus HA31 were tested. See more mutual tests below. When it comes to comparison, eu labels can be also interesting - 100% of Cooper Discoverer All Season has B wet grip rating, whereas 100% of Kumho Solus HA31 has C rating.