i dont want to keep telling you what to do hunter, i feel bad doing so..
How many payments do you have left? before you refinance, and make all the accrued interest on the loan become principle. Try looking at how much of your monthly payment goes to the principle. If your payoff is still that high, i doubt that much does. Paying the $2000 will possibly know the last year off the term of the loan provided they do not have early pay off penalties. Then maybe you can pay the car off in sooner versus taking out another 4-5 year loan..
I really hate that banks take advantage of people like this.