After years of rumours, Porsche has confirmed that the Cayenne will be available with a diesel engine from March 2009.The new unit will be sourced from Porsche’s fellow Volkswagen Group subsidiary Audi and is likely to be a version of the company’s 3.0-litre V6 TDI – as also found in the Cayenne’s Q7 cousin. It will have around 240bhp and 400lb ft of torque.Porsche had apparently planned to reveal its diesel Cayenne in January 2009, alongside the facelifted version of the Boxster. But Stuttgart’s sports car maker will now hold it back until later in the year to give the updated entry-level Boxster the limelight.
