GM (GM) Dec. U.S. sales: +7.5% (+15.5% in four core brands) to 223,932 vehicles, its best month...

|By:, SA News Editor
GM (GM) Dec. U.S. sales: +7.5% (+15.5% in four core brands) to 223,932 vehicles, its best month of 2010, vs. Edmunds expectations of +11%. For the calendar year, GM sales of core brands up 21% over 2009. Buick up 39.7%, Cadillac up 13.4%, Chevy up 9.1%, GMC up 35%. (PR)