General Motors 2010 Calendar Year Sales Up 21 Percent

General Motors GM dealers reported 223,932 total sales in December, a 16-percent increase from a year ago for the company's four brands. The gain was driven by solid retail sales which were 27 percent higher than a strong December a year ago. For the calendar year, total sales for GM's four brands increased 21 percent to 2,202,927, while retail sales rose 16 percent for the year. GM's four brands sold 118,435 more vehicles this year than the company did with eight brands in 2009, and will gain total and retail market share for the year.