The Nurburgring circuit's record is currently held by the Alfa Romeo Giulia Quadrifoglio and according to a report by Autocar, Jaguar development drivers are pushing the car on the track in preparation of beating the Giulia QV.
https://www.autocar.co.uk/car-news/new-cars/new-jaguar-xe-sv-project-8-guns-nurburgring-four-door-lap-record
https://www.autocar.co.uk/car-news/new-cars/new-jaguar-xe-sv-project-8-guns-nurburgring-four-door-lap-record