Hi Richard I am also new to the forum having taken delivery of a 3.0l diesel XF at the beginning of May. I am also new to Jaguar , however over the past three weeks the smile hasn't left my face , today I did a 140 round trip to Perth and returned over average 40 mpg. There is so much power I think you will be putting the Sorento out to pasture. I hope that , if you go for the Jaguar, you will be as pleased as I am. Thanks Brian