Audi’s latest example of micro-nicheing made its motor show debut here in Paris. Outside, it’s striking how low this car appears to sit (although, at 1420mm high it’s taller than the A5 Sportback by 29 mm), an impression aided by the graceful arc of the beltline front to rear and its low-set intersection with the trailing edge of the trunk. One is drawn to the superb surface transition from