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My decision is easy over on here in Colorado, USA: all-season, all year, because the only time you can be 100% sure you won't encounter snow/ice is the middle of July through the middle of August.
In the winter, if it snows, or even seems like it might snow, the Z stays in bed. Because it can get to 12" really quickly and she's not plowing through it without bottoming out. That said, it sometimes gets very sunny and 50 degrees F (10 C) in February and I can drop the top for a few hours if the roads are clear.

No justification for changing the law in UK we don’t get continental winter conditions often, most accidents are caused by driving too fast for the conditions.

Not always to do with speed



Whilst I don’t believe that it should be legal requirement to fit three peak tyres in winter, it should be illegal to drive in snow or freezing conditions with summer tyres. Car manufacturers should also be fitting family cars with all season tyres as standard and certainly the police and ambulance service should have them.

deltasierra wrote: ↑Sat Dec 17, 2022 1:28 pm No justification for changing the law in UK we don’t get continental winter conditions often, most accidents are caused by driving too fast for the conditions.

Any idiot can drive fast, it is the inability to stop that causes collisions. The skill is in awareness, anticipation, braking and the tyres on the car.