INGOLSTADT, GERMANY – The new Audi Q7 3.0 TDI with ultra low emission system is the cleanest diesel in the world, and an extremely economical form of propulsion into the bargain.
Tags: A3 2.0 TDI, A4 3.0 TDI, Audi, clean diesel, Q5 3.0 TDI, Q7 3.0 TDI