Something that may help as well. If you use this car for your business being self employed, you can write-off the business usage portion of the car (you will need to be able to prove it was used for business and how much was business mileage/use vs personal:
http://www.irs.gov/taxtopics/tc510.html
Should add up and save you some money, and if you have an accountant, talk to them about your options.