The new Maserati Quattroporte is big news for the Italian marque. The car is kick-starting the firm's ambitions to increase sales ten-fold, so the stakes have never been higher. Steve Sutcliffe pitches it against our favourite luxury car, the Jaguar XJ to see which is best.

Read Autocar's Maserati Quattroporte review - http://www.autocar.co.uk/car-review/m...
Read Autocar's Jaguar XJ review - http://www.autocar.co.uk/car-review/j...