Jaguar has launched new performance options for its XJ sports saloon. A Speed Pack ups the XJ Supersport’s electronic limiter from 155 to 174mph, while a Sport Pack adds aggression to the ...

Make no mistake, the new Jaguar XJ is a very big car. The company expects most buyers will opt for the long-wheelbase version, too, and that means a car over 17ft long, putting executive car parks ...