I see you are looking into offers from a dealer, I was going to suggest something along those lines.
Its seems like a tough situation considering that it is way overprices and there is no mileage.
Cars in that range are worth like 1K, less in this scenario being that it is used and an allowance of only 500 miles a month.
In order to get ride of the car they prob would have to contribute 500 to bring the payment closer to 800 *24 months is more than $10k so the dealers offer might not be crazy.
You should look into the buyout and see what the KBB value is and if its worth it buy it back and resell privately,