The New High-Performance Diesel Engine from Audi, the 3.0l V6 TDI with Dual-Stage Turbocharging

Authors

Dipl.-Ing. R. Bauder, Dr. C. Eiglmeier, Dipl.-Ing. A. Eiser, Dr. H. Marckwardt, AUDI AG, Neckarsulm

Year

2011

Print Info

Fortschritt-Berichte VDI, Reihe 12, Nr. 735

Summary

As its top-of-the-range diesel engine for the new A6 and A7, Audi has introduced the 3.0l V6 TDI with dual-stage turbocharging. The engine develops a power output of 230 kW and a maximum torque of 650 Nm. The core of the unit is the compact dual-stage turbocharging system housed in the inner V of the engine and above the gearbox. The high-pressure turbocharger features variable turbine geometry with an electronic adjuster. The low-pressure turbocharger is waste gatecontrolled and designed for high throughputs, with the result that the engine combines high torques at minimal engine speeds with a power plateau up to the highest revs.

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