( http://www.TFLcar.com ) The 2012 Audi A8L and the 2012 Jaguar XF are two of the best luxury cars that you can purchase today. They both have powerful V8 engines that put out about the same amount of power. but which of these premium luxury cars is the fastest in a straight line. It is the German flagship Audi or the British newcomer Jag. Watch this TFLcar mashup drag race review to find out which car wins the drag race.