Opel Senator
Overview
 
The Opel Senator was a large automobile
Automobile
An automobile, autocar, motor car or car is a wheeled motor vehicle used for transporting passengers, which also carries its own engine or motor...

, two generations of which were sold in Europe
Europe
Europe is, by convention, one of the world's seven continents. Comprising the westernmost peninsula of Eurasia, Europe is generally 'divided' from Asia to its east by the watershed divides of the Ural and Caucasus Mountains, the Ural River, the Caspian and Black Seas, and the waterways connecting...

 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...

, from 1978 until 1993. A saloon, its first incarnation was also available with a fastback
Fastback
A fastback is a car body style whose roofline slopes continuously down at the back. The word can also designate the car itself. The style is seen on two-door coupés as well as four-door sedans.-History:...

 coupé
Coupé
A coupé or coupe is a closed car body style , the precise definition of which varies from manufacturer to manufacturer, and over time...

 body as the Opel Monza and Vauxhall Royale Coupe.

Through the international divisions of General Motors, it was also known in various markets as the Chevrolet Senator, Daewoo Imperial (in South Korea), Vauxhall Royale (until 1983) and Vauxhall Senator (which took the place of the Royale on Vauxhall models when the Opel brand was phased out from 1983).

The original Senator shared its platform
Automobile platform
An automobile platform is a shared set of common design, engineering, and production efforts, as well as major components over a number of outwardly distinct models and even types of automobiles, often from different, but related marques...

 with the smaller Opel 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...

, the latter being lengthened to make the Senator.

The later car, from 1987, shared its base with the Opel Omega
Opel Omega
The Opel Omega was an executive car marketed by the German automaker Opel between 1986 and 2003 in two generations, both manufactured at Opel's Rüsselsheim, Germany plant. The first generation, the Omega A , superseded the Opel Rekord, was voted European Car of the Year for 1987, and was available...

, which was again lengthened to produce the Senator.
The Senator A (the "A" being used for differentiation here, but not a marketed name) was a lengthened version of the Opel 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...

 E, complemented by a three-door fastback coupé version on the same platform called the Opel Monza, which was planned as a successor for the Opel Commodore
Opel Commodore
The Opel Commodore is an executive car produced by Opel. It is the six-cylinder variant of 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...

 coupé.
The Senator A and Monza were initially sold in the United Kingdom
United Kingdom
The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

 as the Vauxhall Royale (and Vauxhall Royale Coupé), because the Opel marque was not so well established, but they were also under their Opel names.
 
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