If I make 50k a year, is 16k too much to spend on a car?

I recently graduated from college and got a job as a web developer, making 50k a year. I have about 12k in student loan debt, and I am still living at home with my parents. I am currently driving a 2005 Chrystler town and country (Van) with 200,000 miles on it, and I have been pouring thousands of dollars into it for maintenance. Would it be wise to buy another car now? I am looking into getting a 2013 Honda Accord, which costs about 16k. Is this too much to spend on a car based on my salary?

(Hour commute to work every morning)

http://m.autotrader.com/cars-for-sale/vehicledetails.xhtml?listingId=411343503&zip=43016&endYear=2013&pageLayout=list&sortBy=distanceASC&startYear=2013&listingTypes=used&transmissionCodes=AUT&searchRadius=25&mmt=%5BHONDA%5BACCORD%5B%5D%5D%5B%5D%5D

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