Although not built on a dedicated EV platform, BMW’s competitor, the i7 limousine ($297,900 excluding on-road costs), turned out to have surprisingly good road manners and packaging. The tech’s pretty amazing too, not least the massive (31.3 inch) rear entertainment screen, capable of streaming 8K video while pumping the soundtrack through 35 speakers. BMW’s iX SUV ($170K-plus) proved superbly comfortable and capable, though the styling will divide any room. BMW’s iX SUV has styling that will divide any room. Meanwhile, sampling the new single-engine Porsche Taycan (at a mere $159,700 plus on-road costs) was a reminder just how good Zuffenhausen’s...