Porsche’s “Mr. 911” is moving on and the newest sports car will be his swan song

There are many Porsche purists out there but just one “Mr. 911” as far as the automaker is concerned. Porsche announced Tuesday at the 2020 Porsche 911’s debut that August Achleitner, 63, will move on from the iconic sports car—just as the company revealed his final act. On Friday, Porsche announced that Frank-Steffen Walliser will take over…