Engine 2.8 quattro Engine codes ACK Production years 1995/12 - 1997/12 kW 142 hp 193 ccm 2771. Engine 2.8 Engine codes AFC, AAH Production years 1994/06 - 1997/12 kW 128 hp 174 ccm 2771. Engine 2.8 quattro Engine codes AFC, AAH Production years 1994/06 - 1997/12 kW 128 hp 174 ccm 2771.