Official Jaguar XJ pictures and comment are now on autocar.co.uk
This is the new Jaguar XJ, which will be officially launched at 8pm BST on Thursday 9 July.
The video was taken by an Autocar reader, who spotted three XJs testing in convoy near sister company Land Rover's Gaydon HQ.
The heavy rear disguise, as seen in the video, covers up a radical rear styling treatment that is aimed at making the new XJ the most striking-looking executive saloon when sales start at the year’s end.
Both short and long-wheelbase versions wil be launched together. Power will come from a twin-turbo 3.0-litre diesel and 510bhp supercharged 5.0-litre V8.
Jaguar has also confirmed that the new car will be launched in both short and long wheelbase versions.
All models are likely to be highly specified and customers will be able to tailor spec and options more than on previous Jags. The new XJ also comes with a panoramic glass roof.