Audi Ireland - Throwback to 1989 at the Frankfurt Motor Show when Audi revealed a car that would mark the start of the TDI era. The Audi 100 had a 2.5TDI engine
1989 Audi 100 TDI specifications, technical data, performance
Audi TDI Diesel Engines: Honoring 25 Years Of Fuel Efficiency, Lower Emissions
Starting Audi 100 (5 Cylinder) After 4 Years + Test Drive - YouTube