Later 2000-2001 engines met the EU3 exhaust emissions standard, and were coded AZR. Also, at 390 litres with the seats up, the RS4 Avant’s boot is 90 litres smaller than the outgoing Audi A4 saloon.
The first generation RS4 was in production from 1999 to 2001. It acted as a successor to the famed RS2 Avant – a car which was jointly developed with none other than Porsche – and took over the mantle ...