How many GM cars were sold worldwide in 2008?

8.35 million.

General Motors (GM) Corporation sold a total of 8.35 million vehicles globally in 2008. This is according to a press release, ‘Å“GM Announces 2008 Global Sales of 8.35 Million Vehicles’, published by GM on January 21, 2009. According to the report, 2008 sales were 11% lower than 2007 figures. 64% of total global sales occurred outside the United States.