Motorsport newsletter from Audi （7月18日/car.kak.net）

Sonoma, Calif. - Frank Biela and Emanuele Pirro won for the first time this year in their No. 2 Champion Racing Audi R8, taking the Infineon Technologies Grand Prix of Sonoma presented by Ravenswood Winery on Sunday at Infineon Raceway. Jo…

In front of a record turnout of 143,000 spectators at the Norisring Audi has taken the lead in the DTM manufacturers' standings. In one of the most turbulent races in DTM history with several crashes, spectacular duels, two safety car peri…