WITH only a handful destined for Australia each year, the A8 will never figure prominently on most buyers’ radar, especially when the incredibly rapid V8 diesel kicks off from $234,500. But for the privileged few who can afford it, the Audi sedan flagship presents an intriguing fusion of design, quality and technology, in a package that is now at the very least the equal of its Mercedes-Benz, BMW and Lexus rivals. This luxury limo’s time has arrived.