3 Weeks Ago, Michael Gauthier from WorldCarFans says (in Entry-Level Porsche Rumours won't go Away) Power will likely be provided by a turbocharged (or supercharged) four-cylinder engine with 250bhp.

3 Months Ago, Ray Wert from Jalopnik says (in 2010 Porsche 911 GT3 RS: Track-Ready, Street-Legal And More Power [New Cars]) The heart of the new, uncompromising GT3 RS is the power unit. Like the engine featured in the 911 GT3, the naturally-aspirated RS power unit now displaces 3.8 liters and delivers even more power, while revving up even faster to its 8500 rpm redline. It now delivers 450 horsepower, 15 more hor...

And CanadianDriver says (in Porsche to debut new 911 Turbo in Frankfurt) Porsche will present its new 911 Turbo at the Frankfurt Auto Show in Germany in mid-September.