The sleek 2007 Porsche 911 Targa 4, built in the automaker's spiritual home of Germany, sports a distinctive glass rear window that can be removed independent of the roof panel.finished in Meteor Gray Metallic and featuring Cocoa leather upholstery, this classic 911 drives all four wheels via a responsive six-speed manual transaxle, propelled by a potent 3.6-liter flat-six engine.