Some two years after Audi launched the voluptuously-styled A5 coupe, here comes the long-awaited cabriolet version. We had a chance in the south of France to drive the whole European range, which includes superbly refined 2.7 and 3.0-liter turbodiesels that waft along on huge, cresting waves of torque – such a shame that Canada’s diesel infrastructure makes these engines so unviable for this market.But that’s not really the model you want to hear about. No sir, what you really want to hear about is the S5 cabriolet, powered by an astonishing little gem of an engine. The S5 coupe uses the familiar 4.2-liter, 349bhp V8, but the new S5 cabriolet gets the supercharged 325bhp 3.0-liter V6, a version of which is used in the S4. Those who want to experience this engine in the A5 coupe will have to wait until mid-2010 when the model gets a mild facelift.