Opel Automobile GmbH, usually shortened to Opel, is a German automobile manufacturer which is a subsidiary of Stellantis since 16 January 2021. It was owned by General Motors from 1929 until 2017 and the PSA Group, a predecessor of Stellantis, from 2017 until 2021. Opel vehicles are sold in the United Kingdom, Isle of Man and Channel Islands under the Vauxhall brand. Some Opel vehicles were badge-engineered in Australia under the Holden brand until 2020 and in North America and China under the Buick, Saturn, and Cadillac brands.