1966 wis the year that Opel opened thair new plant at Bochum, devotit exclusively tae Kadett production.[1] Atween 1965 an 1973 Opel produced 2,691,300 Kadett Bs[2] which maks this model ane o the maist successfu Opels tae date in terms o sales volume. The Kadett benefittit on the domestic mercat frae a progressive slowin o demand for the auld Volkswagen Beetle, while the Ford Escort an Volkswagen Golf which wad compete for sales mair effectively against the Kadett C baith got aff tae a relatively slow stairt respectively in 1968 an 1974.

The Insignia flagship followed exactly the same initiative as the Astra. Once again the Opel engineers’ main objective was efficiency. Thanks to optimized packaging and lightweight materials they could save up to 175kg on the Insignia Grand Sport compared with its predecessor – much to the benefit of dynamics and fuel consumption. Depending on powertrain and equipment, the current Insignia Sports Tourer even weighs up to 200kg less than the similar model variant from the first generation.
The first cars were produced in 1899 after Opel's wife Sophie and their two eldest sons entered into a partnership with Friedrich Lutzmann, a locksmith at the court in Dessau in Saxony-Anhalt, who had been working on automobile designs for some time.[11][12] These cars were not very successful and the partnership was dissolved after two years, following which Opel signed a licensing agreement in 1901 with the French Automobiles Darracq France to manufacture vehicles under the brand name Opel Darracq. These cars consisted of Opel bodies mounted on Darracq chassis, powered by two-cylinder engines.

The Kadett featured a more modern design than the Volkswagen Beetle that then dominated the market for small family cars in West Germany and various surrounding countries. The Kadett offered more passenger space, more luggage capacity, and better visibility for the driver. Its water-cooled engine provided effective heating for the passenger compartment. However, by the mid-1970s the Kadett's weakness was already apparent as the car's bodywork was not well protected from corrosion.


The Insignia flagship followed exactly the same initiative as the Astra. Once again the Opel engineers’ main objective was efficiency. Thanks to optimized packaging and lightweight materials they could save up to 175kg on the Insignia Grand Sport compared with its predecessor – much to the benefit of dynamics and fuel consumption. Depending on powertrain and equipment, the current Insignia Sports Tourer even weighs up to 200kg less than the similar model variant from the first generation.
From 1986 to 2003, Opel models were produced by Delta Motor Corporation, a company created through a management buyout following of GM's divestment from apartheid South Africa. Delta assembled the Opel Kadett, with the sedan version called the Opel Monza. This was replaced by the Opel Astra, although the Kadett name was retained for the hatchback and considered a separate model. A version of the Rekord Series E remained in production after the model had been replaced by the Omega in Europe, as was a Commodore model unique to South Africa, combining the bodyshell of the Rekord with the front end of the revised Senator. The Opel Corsa was introduced in 1996, with kits of the Brazilian-designed sedan and pick-up (known in South African English as a bakkie) being locally assembled.
Design-trimmed cars lose the alloys and get 15in steel wheels, while SE models gain an anti-dazzle rear-view mirror, electrially adjustable front seats, a 60/40 folding rear bench split, parking sensors and 16in alloy wheels, whole the range-topping Elite models include luxuries climate control, rear view camera, bi-xenon headlights, tinted rear windows, sports suspension and 17in alloy wheels.
In the early 1920s, Opel became the first German car manufacturer to incorporate a mass-production assembly line in the building of their automobiles. In 1924, they used their assembly line to produce a new open two-seater called the Laubfrosch (Tree frog). The Laubfrosch was finished exclusively in green lacquer. The car sold for an expensive 3,900 marks (expensive considering the less expensive manufacturing process), but by the 1930s, this type of vehicle would cost a mere 1,930 marks – due in part to the assembly line, but also due to the skyrocketing demand for cars. Adam Opel led the way for motorised transportation to become not just a means for the rich, but also a reliable way for people of all classes to travel.
Further information about official fuel consumption, official specific CO2 emissions and consumption of electric energy can be found in the “guideline about fuel consumption, CO2 Emissions and electric energy consumption of new passenger cars” ('Leitfaden über den Kraftstoffverbrauch, die CO2-Emissionen und den Stromverbrauch neuer Personenkraftwagen') in German language, which is available free of charge at any point of sales and at DAT Deutsche Automobil Treuhand GmbH, Helmuth-Hirth-Straße 1, D-73760 Ostfildern. 
Later, an 1800 cc version wis introduced for the Kadett/Astra GTE model. This range o ingines wis an aa uised for later models o the Corsa/Nova, an the mid-sized Cavalier/Ascona. The Kadett D wis an' a' equipped wi a 1600 cc diesel ingine that wis possible tae drive as cheap as 5.0 L/100 km, an a cairy-ower 1196cc OHV ingine. It wis an aa produced as IDA Kadett in Kikinda, Yugoslavie.
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