2011 Jaguar XJL Front View
The XJ and XJL Supersport models come supercharged to provide 510 horsepower from the same 92.5 bore and 93 mm stroke. The torque on this implementation is 461 foot pounds and the compression ratio is the same as the XJ Supercharged models. The engine in the XJ Supersport model propels the XJ to a maximum of 155 miles per hour.