2017 Porsche Panamera Already Spotted in Traffic

June 28 – this is the date you’ll have to keep in mind for the unveiling of the 2017 Porsche Panamera. However, it seems Zuffenhausen doesn’t want us to have a cruel summer, so it has already unleashed the second-generation Panamera in traffic. The pair of images below, which come from Autojunk, show Porsche’s new fou…