Comparison: Westlake Z-107 vs. Semperit Speed-Life 3 (2026)

In this comparison, we are comparing a tyre from a manufacturer from China (Westlake) 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 Westlake (29%). In this particular case, the Semperit Speed-Life 3 has a better rating of 55% compared to 23% of the Westlake Z-107. The first tyre test of Westlake Z-107 was done in 2023, compared to 2021 when was the Semperit Speed-Life 3 first tested. Important for this comparison is also the ADAC 2023 205/55 R16 test, where both the Z-107 and the Speed-Life 3 were tested.