Comparison: Cooper Summer vs. Semperit Speed-Life 3 (2026)

In this comparison, we are comparing a tyre from a manufacturer from USA (Cooper) against a tyre from a manufacturer from Austria (Semperit). Semperit is a brand that belongs to the Continental group. Generally, Semperit summer tyres are slightly better rated (55%) than Cooper (54%). In this particular case, the Cooper Summer has a better rating of 76% compared to 55% of the Semperit Speed-Life 3. The first tyre test of Cooper Summer was done in 2026, compared to 2021 when was the Semperit Speed-Life 3 first tested. When it comes to comparison, eu labels can be also interesting - 55% of Cooper Summer has A wet grip rating, whereas 97% of Semperit Speed-Life 3 has B rating.