^ General Motors Austria Gesellschaft m.b.H. (GMA, founded 1963 as sales organisation; from 1979: Administration, Non-productive Departments an Sales) and General Motors Austria Werke Gesellschaft m.b.H. (GMAW founded 1979; Production). In November 1987 GMAW (Austrian Handelsregister, HRB 24.436) were merged into GMA (HRB 20.133b, actual Firmenbuch FN 110500a).
Competitive pricing led to commercial success, and Kadetts continued to be produced during the early months of the war: by the time production ended in May 1940, following intensification of World War II, 106,608 of these Opel Kadetts[6] had come off the assembly line at Opel's Rüsselsheim plant, which had been the first major car plant in Germany to apply the assembly-line production techniques pioneered by Henry Ford.
The Kadett E (Vauxhall Astra Mark 2 in the UK) wis introduced in 1984, an wis votit 1985 European Caur o the Year, lairgely due tae its advanced aerodynamic body stylin. The 1984 model wis an aa developt intae a mair conventional three-box design wi a buit (trunk), badged as the Vauxhall Belmont in the UK an the Opel Monza in Sooth Africae, launcht in Januar 1986. This wis awardit 1985 Semperit Erse Caur o the Year in Ireland.

The suspension and brakes got some serious attention too, and the Rally 1900 was quite the sensation in its brief heyday, and garnered a very positive review by Car and Driver. (see related story on C/D’s Opel Kadett assassination story). Until the Ascona/Opel 1900 (CC here) came along in about 1971, the Rally carried a bright flame for Opel. The Ascona had been planned as a replacement for the Kadett, but when Ford launched their very bare-bones Escort, Opel kept the Kadett on, although at least in the US, it reverted to a very basic trim level and only with the 1100 cc motor, and sales swooned, due to rising prices as a result of the falling dollar.
The 1.0 L and 1.2 L Ecotec Family 0 engines are carry overs from the Corsa B; the 1.4 L Family 1 engine was replaced with a new 1.4 L Family 0 model. The 1.8 L Family 1 engine is an upgrade for the previous 1.6 L 16 valve engine and produces 125 PS (92 kW) and 165 N⋅m (122 lb⋅ft) of torque. The edition with the 1.8 L engine was named Corsa GSi and was the predecessor of the new Corsa OPC.

The transfer gearbox in the AWD models — the same as used in the Vauxhall Cavalier AWD—was somewhat on the flimsy side, liable to suffer damage from conditions such as minor differences in tyre wear or tyre pressure between front and rear axles. Since front and rear tyres would naturally wear at different rates in normal driving, it was necessary to swap front with rear tyres every 15,000 miles (24,000 km).
While the Ipanema clearly succeeded the Marajó, production of the Chevette (by now in sedan form only, the hatchback having been discontinued after the 1987 model year) and of the Kadett noticeably overlapped; the newer model was placed above the old one in Chevrolet's lineup. While Chevrolet entertained the possibility of a pick-up version of the Kadett E, it never materialized.
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