Jethro tests one of the 2013 evo car of the year stars, the SLS Black against a tough competitor the GT2 RS. Who will win?<br /><br />View our car of the year video here: http://bit.ly/QEVuHg<br /><br />Subscribe to evo TV for more videos: http://bit.ly/WpFurP<br />Register for evo's weekly newsletter: http://bit.ly/YwSED0
