We pay around $300 per month for 3 cars, two P-cars and the wifes Caddy SUV, when we moved to Philly from DC we figured we would get a nice drop, it actually went up another 20%
You really cant compare between people because your zip code could make a drastic difference as well as your history and what extras you add on such as rental car etc. In the end it is just part of the cost of doing business and not really worth worrying about.