I owe almost $15,000 for my co-signed 2010 Honda accord-ex, does it make sense to sell it?

I owe almost $15,000 for my car loan, does it make sense to sell it? I co-signed a car with my idiot brother a few years ago, he's gone into a depression and can't pay off the car anymore. (I'm pretty pissed at him right now) It's a 2 door 2010 honda accord-ex black all leather. Less than 60,000 miles on it. I'm thinking about taking out of my IRA tax free (borrowing from myself and paying back myself) and just paying of the car. Help! What are my other options? Monthly payments are $350

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