The Opel Commodore is an executive car

Executive car

Executive car is a British term that refers to a car's size and is used to describe an automobile larger than a large family car. In official use, the term is adopted by EuroNCAP, a European organisation founded to test car safety.- History :...

 produced by Opel

Opel

Adam Opel AG, generally shortened to 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...

. It is the six-cylinder variant of the Rekord

Opel Rekord

The Opel Rekord was a large family car/executive car which was built in several generations by the German car manufacturer Opel.-Naming:The Rekord name evolved into the main name of the model; at first the name was used in close relationship with the Opel Olympia name, which pre-dated the Rekord...

 with styling differences. The Commodore nameplate was used by Opel from 1967 to 1982. However, its lineage continues with the Australian Holden Commodore

Holden Commodore

The Holden Commodore is an automobile manufactured since 1978 by the Holden subsidiary of General Motors in Australia, and, formerly, in New Zealand. In the mid-1970s, Holden established proposals to replace the long-serving Kingswood nameplate with a smaller, Opel-based model...

. The last generation was sold in the United Kingdom primarily as the Vauxhall Viceroy although Opel models were also sold.
The Opel Commodore A was manufactured from 1967 to 1971, based on the Rekord C.