Picture taken on April 20, 2009 shows models posing next to a Porsche Panamera, a new four-door sports car making its international debut at Auto Shanghai 2009, China's largest auto show. Sales at the German luxury sports-car maker Porsche plunged by 15 percent in the first nine months of its fiscal year to 4.6 billion euros (5.98 billion dollars), the company said on June 19, 2009.