Wait, you're total out of pocket for this car is going to be $81K? $25K down, $5XX/Mo, and another $25K at the end? Holy cow.
If you're certain you're not going to drive it and get an use of out it, cut your losses now and get rid of it. As Technic stated, try Carmax. They are hit or miss, but for a new model with low miles, they'll likely pay out well.