Adam Opel AG, commonly known as Opel, is a German automobile company founded by Adam Opel in 1862. Opel has been building automobiles since 1899, and became an Aktiengesellschaft in 1929. The company is headquartered in Rüsselsheim, Germany. It became a majority-stake subsidiary of the General Motors Corporation in 1929 and has been a wholly owned subsidiary since 1931. Their models have been rebadged and sold in other countries and continents, such as Vauxhall in the UK, Holden in Asia and Australia and, previously, Saturn in the US and Canada.
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