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Sunday, March 18, 2012

Audi A5 DTM, 2012

 Audi A5 DTM, 2012

On the eve of the 2011 International Motor Show (IAA) in Frankfurt Audi presented the new Audi A5 DTM: After the V8 quattro (1990 to 1992) and the A4 (2004 to 2011) the brand with the four rings has opted to use a two-door coupe in the most popular international touring car series for the first time.

The new Audi A5 DTM, which bears the internal project name "R17" at Audi Sport, conforms to the new Technical Regulations that will come into effect in the 2012 season. The project was premised on three key aims: the safety of the vehicles, reduction of the costs by up to 40 percent and a spectacular exterior design.

2011 IAA visitors will have the opportunity to get a first-hand impression of the new car's look at the Audi Hall from September 13th to 25th, 2011. The Audi A5 DTM appears lower and sturdier than its successful predecessor with which Audi has won four of the last seven DTM titles. Underneath the body, which is completely made of carbon, a new type of chassis features a hybrid construction. The combination of a carbon fiber monocoque and steel cage sets new standards in terms of safety for a race touring car. In addition, the chassis is one of more than 50 components which are identical for all DTM vehicles.

The Audi A5 DTM is 5.01 meters long, 1.95 meters wide and 1.15 meters low. The wheelbase of all DTM vehicles is identical, i.e. 2,750 millimeters. Like its predecessor, the A5 DTM is powered by a V8 engine with an output of about 340 kW (460 HP). The six-speed transmission, now pneumatically operated using paddle shifters in the steering wheel, is a new development. The shifting events are more precise compared with conventional manual gearshifts and allow the mileage of the unit to be quadrupled to up to 24,000 kilometers.

The engine electronics (Bosch MS 5.1), which operate without fuses, and the central display that is already being used in the Audi R8 LMS are state-of-the-art as well. The exclusive tire partner Hankook is supplying larger and wider tires with dimensions resembling those of LMP2 sports cars.

A safety fuel tank with a capacity of 120 liters is integrated with the carbon fiber cell of the Audi A5 DTM. It would allow the current distance of a DTM race to be covered without a refueling stop. For longer races a quick refueling system is in development.

The engine sub-frame at the front and the transmission at the rear are identical for all DTM cars and limit the freedom of the engineers with respect to the suspension, which has to be mounted to these shared components. In addition, steel as the material for the A-arms and the tube dimensions are specified. For the hub carrier, the regulations define the material and the production process to be used. A milled aluminum part with a minimum weight is prescribed. Furthermore, a strict provision in the regulations defines the wheel hubs and the rims for all entrants.

The possibilities in the area of aerodynamics are restricted as well. Air flow through the body, as in the case of the current A4 DTM, and complex additional wings at the rear are no longer allowed. This creates a stronger visual resemblance between the race car and the production model. At the same time the new DTM vehicles are to respond less sensitively to body contact with other vehicles and deliver slipstream improvements - also thanks to the larger rear wing.


  1. Id like to try this out on the track, I like my cars fast and ready for the kill. This I think can do it.

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