As of April 2013, there have been eighteen separate Buick models produced by Buick / General Motors. A few examples of Buick models include the Buick Skyhawk, Buick Regal, and the Buick Roadmaster.
Vauxhall is a British car company owned by GM (General Motors). They make many different models of cars and one can assume that the term "Vauxhall Sales" is related to the sales of this brand of cars.
There are lots of models within each brand but here are the current American Auto Manufactures. Ford General Motors Chrysler LLC Fisker Shelby super cars
General motors is headquartered in Detroit, Michigan, USA. They have many different divisions all over the world specific to each country. During the 2009 bail out of General Motors Canada had purchased 3.5 billion dollars in shares of the company as a bail out plan but it has since been paid back in full to the Canadian government.
None as China is in partnership on all the plants building 70% of what General Motors builds today.
The PowerGlide feature is credited to the General Motors company for it's inception. The PowerGlide is a type of two-speed automatic transmission found on many models.
10k I would guess 100 times more as 70% of all General Motors work is in China.
General Motors has many brands of vehicles. For a complete list of their cars and trucks contact a GM dealership.
General Motors has 68,500 employees.