AUDI WILL INTRODUCE the world's first volume production diesel engine in a V-6 configuration.
Until now, volume six-cylinder diesel engines have used an in-line configuration.
Many gasoline engines use the V-6 layout.
The compact new 24-valve, 2.5-liter, direct-injection turbodiesel will be an option for the A8.
Audi claims the layout offers big advantages in packaging compared with more conventional in-line units.
It is also the first diesel offered by the Volkswagen Group with four-valve technology. This may prepare the way for a new range of diesels from the group before 2000.
The new iron-block Audi engine delivers 150ps and 310Nm - 10ps and 20Nm more than the old 2.5-liter inline-six it replaces.
At 538mm long and 792mm wide it is also much smaller. The turbocharger and the fuel-injection pump fit within the 901/4 V-angle.
The engine features:
Separate swirl and filling ports
Turbocharger with variable turbine geometry
New high-pressure Bosch fuel-injection system with radial piston distributor.