Cars

Audi TDI: The bestseller for efficiency

Around 7.5 million Audi TDI models sold since 1989 Audi is marking a very special anniversary: It was 25 years ago that the company first unveiled the TDI engine, which has since gone on to become the most successful efficiency technology on both road and racetrack. Since that time, Audi has achieved worldwide sales of around 7.5 million automobiles with ... Read More »