Because he got an award for revvin' it.
Lock them both in the trunk of your car for an hour. Guess who is happy to see you when you open the trunk
Count the stars in the sky and that's how much I love you "But it's so cloudy" *pats her on the head* Yeah I know
Because it's a catastrophe :-) Yeah, ok, I'll be going now. EDIT: removed explanation.
Because they want to prevent plaque build-up.
It was his only chance to see an Oscar
Inception
A rental car.