( http://www.TFLcar.com ) The 2014 Jaguar XFR-S stormed onto the stage at the LA Auto Show. In this bonus 2012 LA Auto Show video you can watch the most powerful Jaguar sedan ever built as it makes a spectacular and loud entrance onto the world stage. The newest XF features a 5.0-liter supercharged V-8 engine that produces a massive 550 HP and 502 pound-feet of torque.  According to Jaguar the new XFR-S will rocket from 0 to 60 MPH in a mere 4.4 seconds and top out at a top speed of 186 mph which BTW is electronically limited. Check out this TFLcar video as we capture the debut of the newest and fastest ever Jaguar sedan.