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 allroad quattro Audi allroad quattro The Audi allroad quattro is a semi-offroad version of the Audi station wagon. It has been manufactured since 1999. The main differences between the allroad and the base model are a wider track (made possible by plastic wheel arch extensions), higher ground clearance and adjustable air suspension. Originally, the name "Audi allroad quattro" applied to a semi-offroad version of the Audi A6 Avant (wagon) in 1999. Audi retitled subsequent generations, as released in 2006 and 2012, as "Audi A6 allroad quattro". Since 2009, Audi has offered the "Audi A4 allroad quattro", based on the mainstream Audi A4