which is impossible in some conditions.
Snow
225/45 Conti SPort Contacts
Hills
impossible
you've got to experience it to see the utter fail when, with 200 miles to do, with snow falling thick and fast, the sheer scale of impossibility of making progress on summer tyres in the wilds when yoiu're hours from home
if you're in a 10 year old 1.2 small hatch, on 175's you'll be ok
if you're in a lare family saloon with 245's its impossible