Porsche purists have never been too fond of the Cayenne and Panamera, but customers less interested in heritage and pedigree have bought plenty of them. In fact, both models have significantly boosted the automaker’s 2010 sales, so not only are the Germans going keep them in their lineup, but will also continue to pump out new versions, at least according to the latest rumors. Citing inside sources, Autoweek reported today that Porsche is now considering a...long-wheelbase version of the Panamera, which could go on sale in the United States and China as early as 2012. Read more »