Here's the webseite:
Jaguar UK
20" wheels
Comfort Access
Sat nav
Sport seats with adjustable width
5 litre supercharged V8 with 510bhp and 461 lb/ft torques
Combined fuel consumption of 12,5 l/100km combined
Active diff this and electronic that
1891kg kerb weight
The M5 is unfortunately, thirstier (14,6l/100km), heavier (1955kg), and has a smaller petrol tank, only 70 litres. But stats don't show everything.