Well, Sport cars usually do cost more in insurance. (because it is more prone to getting stolen, and the insurance people assume you'll probably drive reckless in it). I don't think anyone would be able to give you an actual estimate because there's a lot of factors that play into the pricing as well. For example, her age (which we know is 20) might cause the insurance to be high, she's female (of course) so the insurance might be cheaper then if she were a male. (men are charged more because they are more likely to drive recklessly), and depending on where you live, (what kind of neighborhood) that can cause the insurance to be more/less. How long she's been driving, what her driving record is like and stuff like that can all cause the insurance for her to be more/less.
