Only eight more weeks until the German DTM (touring car) season begins and Audi has teased the final homologated version of their A5 DTM racer car.

Only eight more weeks until the German DTM (touring car) season begins and Audi has teased the final homologated version of their A5 DTM racer car. Now before you go and call foul on WCF because you've already seen the A5 DTM revealed back in September, it should be noted that it was not the final version.

Just like BMW and Mercedes-Benz who have been extensively testing their own DTM race cars in top-secret conditions, Audi has submitted all relevant design drawings, CAD data, descriptions and photographs pertaining to their electronic transmission and body aerodynamics to the Deutscher Motor Sport Bund (DMSB) which has now been approved (homologated) as of March 1.

"More than ever before, even the minutest detail will count this year in the DTM," says Head of Audi Motorsport Dr. Wolfgang Ullrich. "Obviously, you want to keep the things you've worked out over the past few months under wraps for as long as possible."

As a result, Audi engineers are convinced they have come up with innovative solutions different from their competitors and have utilized so-called "bubble wrap" (camouflage) taken from secret prototype vehicles to conceal their designs.

Audi tells us differences from the first A5 DTM revealed in September can be found on the single-frame radiator grille, air intakes on the sides of the front spoiler and LED daytime running lights taken from the production A5. Furthermore, the three-dimensional aerodynamic components in the lower third of the vehicle flanks are small works of technological art, and the rear section as well exhibits new design ideas.

Three Audi factory teams are now beginning to prepare their race cars at Audi Sport in Ingolstadt. Four of the new A5 DTM vehicles can be seen at the official track tests in Valencia (Spain) from March 20 to 22 - then sporting the design of the various sponsors as well.

The first DTM race will take place at the Hockenheimring on April 29.

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Audi teases homologated A5 DTM racer