UK motor insurance inbetween switching cars?

How-to stop my insurance coverage?

“I am paying $170 a month for car insurance”I had been searching for out how much it would be to cover a Fiat Seicento Sporting to get a 17 year old girl (first time driver)? I can not seem on insurance websites since you have to enter information about when you handed and I have not yet I simply wished to understand if I could be ready to ensure it in a couple of months