Looks like Audi will use the RS5 TDI concept in other models.





from the article:
Instead of using a gasoline engine, the Audi A8 e-tron will feature a 3.0-liter V6 turbodiesel (likely sourced from the RS5 TDI concept) working with an electric motor to provide a maximum power of 368 PS (271 kW) and 700 Nm (516 lb-ft).


Full article


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