 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.Next Green Car (NGC) an organisation that analyses vehicle emissions and rates them from 0 (cleanest) to 100 (dirtiest) – analysed the emissions from X250 XF's range