Best way to get car insurance?

Best way to get car insurance? I have heard that it may be better to get car insurance from a broker rather than online. I am 18, and I want to get my own policy. I am currently a named driver on my dads policy, as it is much cheaper to do it that way but I want to buy a car in my name and start earning my own ncb. I currently drive a Jaguar X Type and the insurance costs 2100 from Tesco (with my dad as the main driver). It would cost me about 3200 to insure it myself with Tesco. I want to get a smaller car that is easier on petrol and road tax, but I am having trouble finding a realistic quote. I am thinking about either a Smart Roadster coupe, a honda civic or ford fiesta. With Tesco, I dont get 1 year ncb as I would have done with Direct Line, and the insurance would be OK if I did. Its tempting me to lie on the insurance if I cant find a decent quote (under 2000), although I wouldn't want to. Can anyone offer me any advice on how to find cheaper car insurance or recommend any companies ?

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