With racing series around the world starting off the new season, carmakers have been releasing their new machinery for 2013. Among the recent reveals we've seen the new Porsche 911 GT3 Cup, Maserati GranTurismo MC Trofeo, BMW Z4 GTE and a whole new crop of V8 Supercars
in Australia. Now Cadillac has announced its latest CTS-V Coupe for the Pirelli World Challenge. The North American touring car series sanctioned by the SCCA includes four distinct racing classes.