Jaguar XJ, A Name of Luxury and Style br Strong engines of XJ perform well br br Jaguar XJ is a fantastic luxury saloon br Jaguar has made different series of luxury cars but its XJ series is one of the most popular amongst its all brands. Jaguar XJ is a big luxury saloon car, available in regular wheel-base and long wheel-base models. It is more luxurious than any other big luxurious saloon of the range.