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 R10 TDI June 2006 24 Hours of Le Mans. It was the first diesel-powered car to win either of those events. This is the most ambitious and the most expensive project ever undertaken by Audi Sport; the Audi R10 TDI project cost Audi $15 million a year. The Audi R10 TDI was built to supersede the Audi R8 race car, a proven model which had won five times at Le Mans since 2000 and earned a reputation as one of the most successful racing cars of all time. In later years the Automobile Club de l'Ouest (ACO), which sets the rules for