Non owners insurance in california?

Its a stats question
Whats an excellent cheap motor  insurance   for somebody with a dui in NJ?
"I'm 18 years of age"I just got my certificate a few months ago and that I am on my households AAA arrange. Rightnow my insurance is 1000 bucks per year. My grandmother just purchased a fresh porsche convertible and i am not unable to possess her saab 900se turbo convertible. Our parents dont need because they worry the  insurance  will increase just how much may I expect it to increase me to obtain it