In this comparison, we are comparing a tyre from a manufacturer from (
Triangle) against a tyre from a manufacturer from Japan (
Bridgestone). Generally,
Bridgestone winter tyres are slightly better rated (87%) than
Triangle (15%). In this particular case, the Bridgestone Turanza 6 has a better rating of 79% compared to 7% of the Triangle EffeXWinter TW421. The first tyre test of Triangle EffeXWinter TW421 was done in 2025, compared to 2023 when was the Bridgestone Turanza 6 first tested.