(Audi)
Audi is unveiling its TT clubsport turbo concept at the SEMA show in Las Vegas this week. Audi says that the TT clubsport is "inspired by the legendary Audi 90 IMSA GTO race car of the late 1980s in both appearance and performance." The Audi TT clubsport turbo concept is powered by a 600HP five-cylinder 2.5 TFSI engine with an electronically assisted turbocharger; it sprints from 0–62.1 mph in 3.6 seconds, with a top speed of 192.6 mph. The Audi TT clubsport turbo concept's angular fenders are 5.5 in. wider than the production version, and it utilizes a manually-adjustable rear wing made from carbon fiber-reinforced polymer.