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?
View our car of the year video here: http://bit.ly/QEVuHg
Subscribe to evo TV for more videos: http://bit.ly/WpFurP
Register for evo's weekly newsletter: http://bit.ly/YwSED0