I agree with Hare. You should have done more research, because it appears that you made just about every mistake in the book. You went in unprepared, and you got burned.
You should have at least done some comparison shopping for finances and called other dealers to see if they could give you a lower price. The car business is very competitive, and most dealers would rather take a smaller profit than see you go into the arms of another dealer. Even if it means they have to take barely anything on the deal, they still have to make sales quotas, and the deal it still goes towards their sales numbers, which usually means more cars from the manufacturer.
The salespeople have a job, and it's to sell you a car, but it's also to make the most money possible from the deal. An experienced salesperson can juggle the numbers to make it look like you're saving money when you really aren't, and the fact that you don't know how much the car really cost would indicate that happened to you.
Don't be a payment buyer. Focus on the price of the car, then arrange the length of the financing to suit your budget. If you're a payment buyer, it makes it much easier for the salesperson to confuse you on the numbers. If you get confused, you will lose.
Leave the kids at home when you're ready to deal. By all means, take them along when you test drive to see how they like it and make sure the car suits your needs, but leave them at home when you're ready to buy. When you're there to deal, you want to focus on the deal with no distractions.
Never, never tell the salespeople you have to have the car today. In fact, try not to show any sense of urgency at all. Usually, there are more cars to sell than there are people that want to buy them. There's sometimes a period at the beginning of the model launch where dealers can sell for over MSRP (which I've heard happened to the Versa). Don't buy then if you want the best deal. Time is on your side, not theirs.
Do not get attached to a specific car. New cars are a commodity. Every new car is the same as every other new car of the same model with the same options (supposedly). Every Nissan dealer can sell you this car.
You should have done some research on how much the car costs the dealer. To an extent, the information is available online. That would have given you at least a base to go off of.
Did you have a trade in? If so, I bet they lowballed you on it and made a lot of money there too.
Definitely look into refinancing. That could lower the payments to something more manageable.
Educating yourself could have saved you a lot of pain in the wallet. Next time, be prepared.
There are a few books on how to buy cars. The two I've found most helpful are:
Don't Get Taken Every Time by Remar Sutton. An entertaining read that gives you a 'fly on the wall' perspective of the way the car dealing process really works, written by someone who was once part of it. There's a lot of info on the particular tricks that salesmen use, and how to counter them.
Car Buyer's and Leaser's Negotiating Bible by William Bragg. This one focuses on new cars exclusively, and there's a lot of market research and more info on leasing here, if you're so inclined. They also have a web page where you can buy a packet that gives you as close as you're going to get to dealer cost and a summary of strategies from the book for $40 at
http://www.fightingchance.com.
Also check out this web page for some good free advice:
http://www.carbuyingtips.com
Modified by Woogie at 1:42 PM 7/9/2007