With the success of the new XF, Jaguar, under it's new owners Tata has been hard on work on the XF-R, which would rival the Audi RS6, BMW M5, Merc 63AMG powerhouse with a 5 ltr V10 Supercharged engine producing upwards of at least 500hp. Spied in the Death Valley of US undergoing hot weather testing, we can clearly hear the rumble of the V10, and the whining of the supercharger compressing air into the combustion chambers aided by direct fuel injection for better efficiency and linear power delivery. Hit the jump to watch and listen to the sound of the leaping V10 cat.
