1) must issue car la, but the insurance is hight due to new license! you should both over 25 years old and have 3 years license so that insurance can be cheaper. Of course, you can ask you family/friends to help you to buy a car.
2) insurance and other fees if below 1500c.c. I guess you need between 8,000 and 10,000.
3) you can try try the car first if you want to buy, both new and second hand car.
4) in fact, you can buy a ferrari and lamborghini, 1500cc-2500cc is suggested, not to buy the large horse power racing car la