The TT is Audi’s sporty two-door, four-passenger Coupe and Roadster, named for the Tourist Trophy, a European motorsports event that was first held in 1905. Both the TT Coupe and the TT Roadster were redesigned for the first time for 2008 and incorporate the third-generation Audi Space Frame (ASF) technology that combines aluminum and steel in the chassis to reduce weight and improve weight distribution.