General Motors Division is a multinational corporation that designs, manufactures, markets, and distributes vehicles and vehicle parts. It has four main divisions: GEO (3 letters), SAAB (4 letters), SATURN (6 letters), and OPEL (4 letters). GEO is a brand of vehicles that was introduced in 1989 and discontinued in 2004. SAAB is a Swedish car manufacturer that was acquired by General Motors in 2000. SATURN is an American car brand that was established in 1985 and discontinued in 2010. Lastly, OPEL is a German car manufacturer that was acquired by General Motors in 1929.