The 2013 FIA GT Series was the first season following on from the demise of the SRO Group's FIA GT1 World Championship, an auto racing series for grand tourer cars. The series underwent changes in 2013, retaining GT3 cars as the mainstay, but creating sub-classes for Pro, Pro-Am and Gentleman driver line-ups. All-Inkl.com Münnich Motorsport did not return to defend their Teams' World Champions, instead moving to the World Touring Car Championship with one of the Drivers' World Champions Marc Basseng beside René Münnich, team director of All-Inkl.com Münnich Motorsport, and defending 2012 WTCC champion Rob Huff.