I bought my RSX-S a few weeks ago with my money. Hate it and love it.
Gas hurts. Insurance is under my mom's name though, because of the 43% discount; it's a cheap risk. If I were you, I'd go for a cheaper car. Money is hard to find.
If i was in your position though, I'd choose a CSX-S or TSX and call it a day. Insurance will probably be around the same though as my RSX.
I have yet to have my car go under maintenance yet, so I will not know the feel of those prices, yet.
Just don't forget, your parents aren't young anymore, and they will need money; it would be wise to not spend their money.
Have you considered an Integra Type-R by any chance?