CGR Trailers, from Classic Game Room®, presents an ALMS Challenge Series (March 2013) trailer for FORZA MOTORSPORT® 4 from Turn 10 Studios and Microsoft Studios. Watch as the 2013 SRT Motorsport Viper GTS-R tears up the Sebring International Speedway and introduces the Forza Motorsport® ALMS Challenge Series. Forza Motorsport® 4 was released back on October 11, 2011 for the Xbox 360® exclusively. Enjoy!