Braman Porsche

Porsche CEO Matthias M?ller recently confirmed that the car company will launch a diesel-powered Panamera in the second half of 2011. Speaking with Germany's Westfalen-Blatt, M?ller stated the success of Porsche Cayenne diesel as one of the "key reasons for launching the new Panamera variant."

While he declined to specify what engine would come with the Panamera diesel, there is little doubt it will be the 3.0-liter TDI with 236 horsepower…