So? Be thankful your parents are paying for the car in the first place. Hell, they're probably paying for your insurance as well... Unless you start making your own money, you don't have much of a choice. The best way would've been to compromise, you get X car as long as you pay for insurance.
Hell, be thankful you have car in the first place... Some people have to rely on public transport to get to where they need to go. It's not as if it's a hunk of junk, it's not the best looking car, but it's a Toyota, those things are built to last.