Audi TT a 'show car', Audi has not ruled out the possibility of small-scale production. With its world debut at the 2009 Geneva Auto Show, and developed by Audi's high-performance subsidiary quattro GmbH at Neckarsulm, Germany, Audi released the first ever compact sports car Audi "RS" variant – the , which was available from 2009 in Coupé and Roadster variants. The TT RS featured an all-new 2.5-litre Inline-5 turbocharged petrol engine. This new engine produces a DIN-rated power output of from 5,400 to 6,700 rpm, and torque of at 1,600–5,300 rpm. Ever since the original Audi "RS" model – the Audi RS2
Audi Avus quattro Audi Avus quattro The Audi Avus quattro was a concept supercar made by the German car manufacturer Audi. It was first introduced at the 1991 Tokyo Motor Show. The Avus quattro had an aluminium space frame, which made it a lightweight and safe automobile. This second showing of the new aluminium architecture (after the quattro Spyder a month before) paved the way for the mass-produced aluminium A8 in 1994. The bodywork on the Avus was designed by J Mays and inspired by Auto Union race cars of the 1930s, which featured unpainted aluminum bodies. The panels are made from polished