NEED HELP FROM CALIFORNIA RESIDENTS about car insurance!?

"I'm in leeds and thinking of buying a vehicle however when i am exploring all comparison websites its arriving about 1000 lbs monthly. insurance have 3-4 yrs expierience in driving in USA and that I was paying there like 30 lbs per month. Insurance organization and I spoke together and they are declaring that because i just stumbled on UK along with have global licence