General Motors (English: General Motors, commonly known as GM) is an American automobile manufacturing company headquartered in Detroit, Michigan, with manufacturing plants located in 30 states in the United States and 32 countries around the world. It owns Chevrolet, Buick, GMC, Cadillac, Holden, and Jeep brands.

Among them, Chevrolet and GMC divisions manufacture trucks and passenger cars. Other brands such as ACDelco became independent as Delphi Auto Parts. In 1997, its Hughes Aircraft Company was sold to Raytheon Company and so on.

Retired the Oldsmobile brand in 2004. In 2009, due to the bankruptcy crisis, Pontiac, Saturn, and Hummer were announced to be canceling their brands, and Saab was sold. GM's electric vehicle division also produces electric-diesel hybrid vehicles.

Extended information:

General Motors is the world's largest automobile manufacturer, with as many as 853,000 employees worldwide in 1979. In 2001, GM sold 8.5 million vehicles. In 2002, GM sold 15% of the world's cars and trucks.

In 2007, General Motors sold 9.37 million vehicles globally. It remains the world champion in sales volume and has been the global auto sales champion for 77 consecutive years. In 2008, the global sales volume was surpassed by Toyota Motor and became the second place, but the sales volume in the US market has always maintained the first place. In 2011, General Motors' sales volume returned to the first place in the world.

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