The XJ range features five superb engines, all offering superb acceleration and impressive efficiency. The 3.0 Litre AJ-V6D Gen III diesel offers 275PS of power, with the advanced 3.0 litre petrol engine delivering an impressive 238PS to propel its super-strong aluminium body. There are three versions of the 5.0 Litre AJ-V8 Gen III petrol. In its naturally aspirated form, this engine generates 385PS, while two supercharged versions offer 470PS and 510PS.