STM Audi RS5 Saison 9

The first Audi RS5 DTM chassis was assembled in mid-May 2011, with the first vehicle completed in late-July. Codenamed R17 it was intended to see its first race in the 2010 DTM season. Replacing the successful A4 DTM which had been raced since 2004, the A5 had large shoes to fill. Built by Audi Sport in Ingolstadt, the completed A5 DTM was revealed at Frankfurt Motor Show on September 12, 2011.

The A5 DTM is fitted with a V8 engine rated at 460 hp (343 kW) and coupled to a 6-speed transmission grafted from the previous A4 DTM car. It features steering wheel-mounted paddle shifters, engine electronics (Bosch MS 5.1) and the central display from the Audi R8 LMS, larger and wider tires from Hankook, 32-gallons safety fuel tank inside carbon fiber cell, and a large rear wing.

In accordance with DTM regulations, side-impact zones designed by Zylon and Rohacell are incorporated into construction of the car. The fuel tank is also integrated into the carbon fiber monocoque for greater safety and reduced fire risk.

At the beginning of the 2012 season, homologation rules for DTM cars were changed, and an increase in minimum weight from 1,050 kg (2,315 lb) to 1,110 kg (2,447 lb) was mandated.

With the homologation of the A5 DTM completed on March 1, 2012, the car's race debut was at the 2012 Hockenheimring DTM round on April 29, 2012. Audi Sport Team Abt's Mattias Ekstrom won the pole only.

In the 2012 DTM season lined-up eight drivers on for three teams. Mattias Ekstrom, Timo Scheider, Adrien Tambay and Rahel Frey start for Abt Sportsline. Phoenix Racing approached with Miguel Molina and Mike Rockenfeller. Filipe Albuquerque and Edoardo Mortara raced for Team Rosberg.

In the 2013 DTM season lined-up eight drivers on for four teams. Mattias Ekstrom and Jamie Green start for Abt Sportsline. Mike Rockenfeller and Miguel Molina for Phoenix Racing. Timo Scheider and Adrien Tambay start for Audi Sport Team Abt. Filipe Albuquerque and Edoardo Mortara start for Team Rosberg.

After the 2012 season, the vehicle was renamed RS5 DTM, correspond with the Audi RS5 production model. It is powered by a naturally-aspirated engine and 2xDOHC camshafts. The engine itself is a custom-built Audi 4.0 L V8 with four valves per cylinder and a 90 degree V-angle. It has a power output of approximately 460 hp (343 kW; 466 PS) and torque of 500 Nm (369 lbf.ft).

Front engined and longitudinally mounted engine mounting layout, the RS5's engine is indirect fuel injected. The RS5 DTM's ECU is a Bosch Motronic MS 5.1 and other components such as the CDI ignition are also supplied by Bosch. Audi RS5 DTM's first debut during DTM preseason test at Circuit de Catalunya on March 26-28, 2013 by all Audi teams and drivers.

The Audi RS5 DTM's race debut was at the 2013 Hockenheimring DTM round on 5 May 2013. Audi Sport Team Abt's Timo Scheider won the pole only.

On 4 March 2014, the RS5 DTM was redesigned and launched during 2014 Geneva Motor Show. During development, the vehicle was codenamed "RC3."

The Audi A5 DTM is special version of the standard Audi A5 production car. It was revealed at the 2013 International Motor Show at Geneva on March 6, 2013 in celebration of Mike Rockenfeller's 2013 DTM overall victory. It includes a choice of 4 engines (2.0 TDI quattro (177 PS (130 kW)), 3.0 TDI quattro (245 PS (180 kW)), 2.0 TFSI quattro (225 PS (165 kW)), and 3.0 TFSI quattro (272 PS (200 kW))); a choice of 3 body colours (Misano red, Daytona gray and Glacier white), DTM badges on the door sill trims, fenders and the side sills; a fixed rear wing in body color, exterior mirrors in aluminum look, and 20-inch cast aluminum wheels in a 5 V-spoke design. Only 300 such vehicles were built.

The vehicle went on sale on October 21, 2013.