Volkswagen said on Wednesday it aimed to increase its global unit sales to up to seven million vehicles in the next five years, provided the economic situation improves, Reuters reported.

"We want to reach over six million in 2008," a company spokesman reportedly said.

The spokesman told Reuters a broad goal of seven million units mentioned by CEO Bernd Pischetsrieder and reported by German media, was not a concrete target but referred to the upper end of of a broad range of unit sales potential.

"Pischetsrieder portrayed what is possible with a pickup in the economy. There is a certain band contained in the long term (five year planning)," the spokesman reportedly said.

Reuters said that Volkswagen aims to sell more than five million cars this year - new models including its Golf hatchback will boost sales next year and booming demand in China, where VW is a major player, is also a positive influence.