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 100 Audi 100 The Audi 100 and Audi 200 are four-door, front-engine, front- or all-wheel drive full-size/executive sedans manufactured and marketed by the Audi division of the Volkswagen Group for model years 1968 through 1994 — across four generations (C1-C4), with a two-door model available in the first and second generation (C1-2) and a five-door wagon available in the third (C3) generation. The third generation Audi 100/5000 was widely noted for its advanced aerodynamic design solutions, which included pin-located, flush side windows — and achieved a drag coefficient of 0.30. The C2 and C3 models of the Audi 100 were marketed