In a 2008 Yaris, it was installed at 120,000 (the manual says every 60,000) after 2 times the factory one was installed. I think it is equal or even slightly better (after a total of 31,000 km, 151,000 km) than the factory one. Just my opinion.

In time it will show, but after changing to Castrol after 30000, you could notice a small difference in a Golf 4. As a brand, I trust it, it has quality