Audi has applied for patent in China on the Audi RS4 Avant, the speedy wagon will be launched on the Chinese car market next year, the first time the RS4 Avant will be available. The market for wagons is finally heating up, especially when they are expensive and big-engined. The Audi RS4 Avant fits the bill, power comes from a 4.2 liter V8 with 450hp and 430nm, good for a 280km/h top speed. Via: Autohome.