The Porsche 911 GT3 has broken the mould in recent years. Not by developing cutting edge new technology or integrating complicated hybrid systems, but by staying true to what made the original so brilliant. For petrol heads, it’s a last of the breed and one that we should cherish. James Dennison is your guide to the finer points of, arguably, Porsche’s finest hour. Here is a manual 992 Porsche 911 GT3.