The Mission E has an entirely electric powertrain, and is set to occupy a spot between the Panamera and the 911 in Porsche's overall vehicle lineup. It's a four-door sports car, and is gearing up for its initial public prototype tests. P15_0790_a4_rgb P15_0787_a4_rgb P15_0783_a4_rgb-2 P15_0782_a4_rgb-2 P15_0786_a4_rgb P15_0785_a4_rgb P15_0782_a4_rgb c39a5b81-d5fc-4462-b7e3-6d402c864096_teaser_720x406x1_5 View Slideshow Exit. Its speed tops out at over 155 mph, too. As for charge, it could get as much as 300 miles on a single full battery.