German luxury car maker Audi reported on Wednesday record monthly sales in China and the United States as overall sales worldwide gained 22 percent in August from the level 12 months earlier.

"Audi achieved growth in all major markets in August, posting new record figures in the United States and China," a statement said.

The unit of European auto giant Volkswagen said it delivered 80,300 vehicles worldwide last month, and that sales in the first eight months of the year had grown by 18 percent from the same period in 2009.

In China, Audi's biggest foreign market, the group sold 22,358 cars, a leap of 67.5 percent from August 2009, while US sales were 14 percent higher at 9,182 cars.

Audi sales also advanced in Germany and across Europe, where results have been trailing those in Asia and North America.

German sales gained 9.2 percent to 15,394 vehicles, and for Europe as a whole, the company reported a gain of 5.4 percent to 38,900 cars.