Comment by literalAardvark
4 days ago
Please read the studies in this thread.
Modern high quality all weather tyres are excellent in summer and winter.
Except on actual snow, where they're just ok, because of the hybrid sipe patterns, and ice, where they suck exactly as much as everything else except studded tyres (which suck on tarmac instead).
Even after the streets are plowed there's still a bit of snow on the main roads and a lot on the side roads. Maybe you live in a place with really mild winters, but my car would have drifted into a ditch many times this winter if I didn't swap my tires.
No one is saying to drive all year with your summers. Those will glass in winter.
Assuming every road you drive on in the winter will be perfectly plowed and salted is a great way to end up in a ditch.
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They are still worse than winter tires in cold dry conditions because the rubber compound is compromised to have acceptable summer wear.