Car-crash and insurance?

Lets say a guy under-30 in california with a 2002 BMW 325i car how much could insurance be?

“First time vehicle buyerI settled 350 a year ago for my motor insurance (pre 3 things)

“Hello everybody… my spouse is tinkin of getting a fresh mitsubishi lancer sports release (A) as a weekend car. Only problem is insurance. He’s 24yrs n just got his permit yesterday. Insurance providers declare it’s not measured as driving experience although he is been ridin a motorcycle for that past 4yrs