Durant was forced out of the company in 1920 and was succeeded by Alfred P. Sloan, Jr., who served as president (1923–37) and then as chairman of the board of directors (1937–56). Sloan reorganized GM from a sprawling, uncoordinated collection of business units into a single enterprise consisting of five main automotive divisions—Cadillac ...
General Motors Diesel was a railway diesel locomotive manufacturer located in London, Ontario, Canada. It was established in 1949 as the Canadian subsidiary of the Electro Motive Division of General Motors (EMD). In 1969 it was re-organized as the Diesel Division of General Motors of Canada, Ltd.
Alfred P. Sloan continued as the division manager, which carried with it a GM vice-president title and a position on the GM board. In 1923 he became President of General Motors and was Chairman when he retired in 1956. Charles Kettering, co-founder of Delco, was head of research at General Motors for 27 years.
A General Motors do Brasil (GMB) é a maior subsidiária da General Motors na América do Sul e a segunda maior operação fora dos Estados Unidos.  A empresa foi fundada em 1925 e operada em casas alugadas, localizado no bairro histórico de Ipiranga, em São Paulo.  Em 2015, completou 90 anos de operação no Brasil.