 Sound and vibration insulation is provided by the addition of a special underbody tray and engine mounts, a tuned exhaust system, and a double bulkhead between the engine bay and passenger compartment.All XF models are automatic and are Euro 5 compliant.The naturally-aspirated petrol 3.0-litre V6 was discontinued in Europe in 2010, but continued to be sold elsewhere for the X250's production lifespan.