alt Hacker NewsYou’re right usually (about not needing blizzaks) but there’s important nuance here. There are warm all season (with usual M+S stamped on, this just means tread pattern, nothing about compound) and winter all-season with a compatible compound for cold conditions. The industry created a logo for the tires some years back it’s like 3 peak mountain snowflake or something. This ensures the compound is soft enough to keep gripping in freezing temperatures. It’s required in some jurisdictions (Quebec I think and maybe some lake effect zones)
There is lot of variation between tires. From summer, to all season, to European winter to Nordic winter(studdles or studded). Only Nordic ones designed specifically for snow and ice are really usable in conditions where there is often snow and ice. They fare worse in wet not freezing conditions and ofc in dry.
But not all winter tires are made equivalent.