Audi R8 RWS: Sydney's best-sounding tunnels

A 5.0-litre V10. A stonking 397kW. The sprint from 0-100km/h in 3.7 seconds. And it’s 50kg lighter than its quattro AWD big brother, making it more nimble and agile. This is the rear-wheel-drive Audi R8 RWS.