At the next Frankfurt Motor Show there will be the debut of the new Porsche 911. The car shows a light facelift, as the German car manufacturer used to do. Therefore, evolution and continuity, without big changements. The spy shots of the two vehicels caught on Arizone desert tell us how this new Porsche 911 will look like. Those photos show us the renewed rear lights, inedited bumpers, four big exhausts. As far as the powertrain is concerned, the new Porsche 911 is said be equipped with the great six cylinder boxer with some electronical innovation, which could enhance the horsepower output peak, without changing emissions and consumptions.