Behold! The Cayman we've been waiting for! The GT4 has everything we've ever wanted in Porsche's mid-engine sled. It has the 991-derived 3.8-liter flat six, components shared with the GT3, and only one transmission option: a manual. Oh, and it ripped through the Nürburgring in 7:40 – right on par with the last-gen 911 GT3.