V-8-like rumble? Bill. Massive, mass-defying acceleration? Bill. Business as usual for the Porsche Cayenne Turbo. Well, not quite: I’ve never driven a Cayenne that can sprint to 60 mph in less than three seconds, that’s for sure. The new, fully electric Porsche Cayenne Turbo can do exactly that, according to Porsche. That performance isn’t entirely […]