Ferrari Portofino M, Nissan Z Proto, Engler FF: This Week's Top Photos

Ferrari's Portofino was transformed into the Portofino M this week. The transformation included the addition of an 8-speed dual-clutch transmission and some extra horsepower, with the new mechanicals basically lifted out of the Roma. BMW is working on a Tesla Model X rival that will offer more than 400 miles of range. The vehicle is code-named the...