Opel Kadett

OPEL KADETT - 1936-1940 - Overview
The first Opel car to carry the Kadett name was presented to the public in December 1936 by Opel's Commercial-Technical director, Heinrich Nordhoff, who would in later decades become known for his leadership role in building up the Volkswagen company.
The new Kadett followed the innovative Opel Olympia in adopting a chassis-less monocoque construction, suggesting that like the Vauxhall 10 introduced in 1937 by Opel's English sister-company, the Opel Kadett was designed for high volume low cost production.
For 1937 the Kadett was offered as a small and unpretentious two door "Limousine" (sedan/saloon) or, at the same list price of 2,100 Marks, as a soft top "Cabrio-Limousine". The body resembled that of the existing larger Opel Olympia and its silhouette reflected the "streamlining" tendencies of the time. The 1,074cc side-valve engine came from the 1935 Opel P4 and came with the same listed maximum power output of 23 PS (17 kW; 23 hp) at 3,400 rpm.
The brakes were now controlled using a hydraulic mechanism. The suspension featured synchromous springing, a suspension configuration already seen on the manufacturer's larger models and based on the Dubonnet system for which General Motors in France had purchased the license. The General Motors version, which had been further developed by Opel’s North American parent, was intended to provide a soft ride, but there was some criticism that handling and road-holding were compromised, especially when the system was applied to small light-weight cars such as the Kadett. By the end of 1937 33,402 of these first generation Kadetts had been produced.
From December 1937 a modified front grill signalled an upgrade. However, the 1,074cc Opel 23 PS (17 kW; 23 hp) engine and the 2,337 mm (92.0 in) wheelbase were unchanged, and it would have taken a keen eyed observer to spot the difference between the cars for 1937 and those for 1938.
The manufacturer now offered two versions of the Kadett, designated the "Kadett KJ38 and the "Kadett K38" the latter also being sold as the "Kadett Spezial". Mechanically and in terms of published performance there was little to differentiate the two, but the "Spezial" had a chrome stripe below the window line, and extra external body trim in other areas such as on the front grill. The interior of the "Spezial" was also better equipped. To the extent that the 300 Mark saving for buyers of the car reflected reduced production costs, the major difference was that the more basic "KJ38" lost the synchromous springing with which the car had been launched, and which continued to be fitted on the "Spezial". The base car instead reverted to traditional rigid axle based suspension similar to that fitted on the old Opel P4.
The base car was available only as a two door "Limousine" (sedan/saloon). Customers looking for a soft-top "Cabrio-limousine would need to specify a "Kadett Spezial". For the first time Kadett buyers, provided they were prepared to choose a "Kadett Spezial" could also specify a four-door "Limousine" (sedan/saloon) bodied car, priced at 2,350 Marks as against 2,150 Marks for a "Spezial Cabrio-Limousine" and 2,100 Marks for a two-door "Spezial Limousine"
In marketing terms the "Kadett KJ38" was intended to fill the niche that Opel had recently vacated with the departure of the Opel P4, but the KJ38, priced at 1,800 Marks, was more expensive than the P4 and its reduced specification left it with the image of a car for poor people at a time when economic growth in Germany was finally fostering a less minimalist approach to car buying. The "Kadett K38 Spezial" fared better in the market place: in 1938 and again in 1939 it was Germany's the top selling small car. By May 1941 the company had produced 17,871 "Kadett KJ38"s and 56,335 "Kadett K38 Spezial"s.

Production: 1936-1940
Assembly: Russelsheim, Germany

 
 
OPEL KADETT (A) - 1962-1965 - Overview
The Opel Kadett was re-introduced in 1962, with deliveries beginning on 2 October, a little more than 22 years after the original model was discontinued in May 1940. Like the original Kadett, the new car (designated the "Kadett A") was a small family car, although it was now available in 2-door saloon, 3-door Car-A-Van (estate) and coupe versions.
In 1957 Opel Product Director Karl Stief was mandated by General Motors headquarters in Detroit to develop "the perfect Anti-Volkswagen" ("einen perfekten Anti-VW"). The development team was headed up by Stief, supported by Hans Mersheimer (car-body) and Werner K. Strobel (engine and running gear), under conditions of such secrecy that even now very little is known of the development history of the 1962 Kadett. GM was trying to conceal a new technique of platform and design sharing between Opel and its British equivalent Vauxhall, which released the strikingly similar Viva HA in 1963, a year after Opel introduced the Kadett. Over the subsequent two decades Vauxhall's role in the design of its own cars rapidly diminished and by 1985 its car range entirely consisted of rebadged Opel models.
Opel had been Germany's largest auto-producer in the 1930s, and in Wolfsburg the producers of the Kadett's principal target did not disguise their concern at the prospect of Opel's return to small car production. At the Volkswagen annual general meeting a few months before the launch of the Kadett, Volkswagen chairman Heinrich Nordhoff (who himself had been a senior manager with Opel in the 1930s and 1940s) went on record with a warning to shareholders that Opel (along with Ford Germany) were backed by a level of financial muscle on a scale unimaginable to any German company, and that it seemed that the two American transplants were now determined to use their financial strength to make aggressive inroads into the German auto-market at any price.
The car later became known as the Kadett A. In addition to the standard saloon, from March 1963, the manufacturer offered an L (luxury model) and an estate (branded as the "Opel Kadett Car-A-Van"). In October 1963 Opel introduced a coupe version of the Kadett with which buyers could enjoy enhanced style at the expense of rear seat headroom.

Production: 1962-1965
Assembly: Bochum, Germany

 
 

OPEL KADETT (B) - 1965-1973 - Overview
The Opel Kadett B was launched at the Frankfurt Motor Show in late summer 1965. The Kadett B was larger all-round than the Kadett A: 5% longer both overall and in terms of the wheelbase, 7% wider and 9% heavier (unladen weight), albeit 10 mm (0.39 in) lower in basic standard "Limousine" (sedan/saloon) form. Production ended in July 1973, with the successor model introduced a month later following the summer shut-down, in August.
Opel had built a reputation for providing stylish cars, and the simple well balanced proportions of the recently introduced Opel Rekord Series A had continued the tradition. The unapologetic slab-sided functionalism of the Kadett B disappointed some commentators. However, customers were not deterred, possibly because the simple car body enabled the car to provide an aggressively priced practical and modern car with far more interior space than the Volkswagen which hitherto had dominated the German small car market without serious challenge for more than a decade.
The range of bodies was widened with the Kadett B. The entry level model, priced in September 1965 at 5,175 Marks, was the 2-door "Limousine" (sedan/saloon). In addition, for the first time since 1940, it was again possible to buy a four-door Kadett "Limousine". In September 1967 a fast back "Limousine" model, designated as the "Kadett LS" and offered with two or four doors, joined the range.
A three-door "Car-A-Van" (kombi/estate/station wagon) was offered from the 1965 launch, with a five-door "Car-A-Van" added to the range in 1967.
Opel also offered a two-door Kadett coupé with reduced headroom for the passengers in the rear. The coupé body introduced in 1965 included a thick C-pillar with reduced side-windows between the C-pillar and the B-pillar. The thick C-pillar incorporated three prominent air extractor slots reminiscent of the gills on a fish, as a result of which this coupé acquired the soubriquet "Kiemencoupé" (gills coupe). A coupé body with larger side windows for the passengers in the back appeared in 1967 identified as the "Coupé F", initially only on the more lavishly equipped cars, but from 1971 all Kadett B coupés used the newer body. The newer Coupé, with an increased quantity of glass, was slightly heavier than the "gills-coupé" as well as being less aerodynamically efficient, leading to a small reduction in claimed top speed.
The basic car was known simply as the Opel Kadett or the “standard” Opel Kadett, but for a few hundred Marks more customers could choose an Opel Kadett “L” with a less Spartan interior and a little more chrome on the outside, along with over-riders on the bumpers. When the fastback saloon was offered, between 1967 and 1970, it was identified as the Kadett “LS”.

Production: 1965-1973
Assembly: Bochum, Germany
 

 

OPEL KADETT (C) - 1973-1979 - Overview
The Opel Kadett C appeared in August 1973 and was Opel's version of the General Motors "T-Car". It was the last small Opel to feature rear-wheel drive, and remained in production at Opel's Bochum plant until July 1979, by which time Opel had produced 1,701,076. Of these, 52% had been exported outside West Germany, most of them to markets in other parts of western Europe.
The body of the Kadett C was seen as being less lumpy and better proportioned than that of the Kadett B. In terms of overall dimensions the two were actually very similar.
Most customers opted for the "Limousine" bodied saloon/sedan car which came with two doors. A four door "Limousine" was produced for export to markets where cars of this size with only two doors encountered customer resistance. In West Germany itself, however, the small family car market continued to be dominated and defined by Volkswagen for whom two doors in a small family car was still quite sufficient: the four door Kadett C is remembered in Germany as an "export special". The Limousine body accounted for just under 63% of the Opel Kadett Cs produced. A further 11% were three door estate / station wagon bodied cars badged, following Opel tradition, as the Kadett Caravan, with two door coupés accounting for slightly under 10%. Publicity of the time, possibly originating with Mercedes-Benz, indicated that in order to minimize the risk of fire in the event of collision, the safest position for a car's fuel tank was above the rear axle between the passenger cabin and the boot/trunk, and this is where the Kadett C "Limousine" and "Coupé" had their fuel tanks fitted, accessible for replenishment via the (unexpectedly, hinged,) extractor vent on the car's right-side C-pillar. On the "Caravan" bodied estate car the fuel tank was a flatter shape, and was positioned under the rear cargo area.
At the end of May 1975 the "Kadett City" was added to the range. This was a three door hatchback intended to compete on price (though not on space efficiency) with the Ford Fiesta, launched in Germany in the same month. The Kadett City sat on the same wheelbase as the other Kadett Cs, but the rear overhang was shortened. The fuel tank was positioned under the floor of the luggage compartment at the back, as on the Caravan bodied cars, but the fuel tank on the "Kadett City" had a capacity of only 37 litres as against 43 litres for the slightly longer "Kadett Caravan". Both models featured rear seats that could be folded forward to give a long and relatively unimpeded load area. 263,090 "Kadett City" bodied cars were produced, representing more than 15% of the Kadett Cs produced by Opel, Germany.
Exhibited at the Geneva Motor Show in March 1976, and included in the range from that year was the Aero-Kadett, an open-top Kadett with targa roll bar, detachable roof insert and a separate convertible top aft of the roll bar (like the contemporary Lancia Beta Spider). This car was built in limited numbers by Karosserie Baur in Stuttgart. Removing the removable parts of the Kadett Aero's roof was a cumbersome process and the manufacturer's recommended retail price was very much higher than that asked by Volkswagen for their 1303 Cabriolet. The Kadett Aero struggled to find buyers, and was withdrawn early in 1978 by which time 1,242 had been produced. Several decades later, however, the rarity of the Kadett Aero is one of the features that helps it to draw continued interest from old-timer enthusiasts.

Also called: Buick Opel; Chevrolet Chevvette (BRA); Daewoo Maepsy (ROK); Holden Gemini (AUS); Isuzu Gemini (J); Saehan Gemini (ROK); Opel K-180 (ARG); Vauxhall Chevette (UK)
Production: 1973-1979
Assembly: Bochum, Germany; Antwerp, Belgium

 

OPEL KADETT (D) - 1979-1984 - Overview
The Kadett D was introduced in the middle of August 1979, with deliveries on the home market beginning early in September 1979. In November 1979 the car went on sale in the UK, some five months before the Vauxhall Astra Mark 1, the British version, was launched in April 1980. The cars were designed as three- or five-door hatchbacks and estates or station wagons. There were also two- and four-door sedans featuring separate boots/trunks, which shared the silhouettes of the hatchbacks: in the UK the sedan versions were soon withdrawn. For the first time since 1965 there was no coupé bodied Kadett in the range: the previous Kadett C coupé was indirectly replaced by the three-door 1.3 SR sports model.
Technologically, the Kadett D was a departure, as it was Opel and Vauxhall's first front-wheel-drive car. It also introduced the Family II engine design with an single overhead camshaft, aluminium-alloy cylinder head, hydraulic valve lifters, with capacities of 1,297 cc (producing 60 bhp and 75 bhp) and had a transaxle design that allowed the clutch to be replaced without removing the transmission unit. A carry-over 1,196 cc overhead valve engine producing 53 bhp and a top speed of 87 mph was also offered from launch, and a new 1,600 cc, engine was offered later, followed by an 1800 cc version introduced for the Kadett/Astra GTE model. The Kadett D was also equipped with a 1600 cc diesel engine.
This range of engines was also used for later models of the Corsa/Nova, and the mid-sized Cavalier/Ascona. From May 1981, the 1.3 was also available with a three-speed automatic. The automatic was made available to the diesel in September 1982.
It was also produced as IDA Kadett in Kikinda, Yugoslavia.
The Opel Kadett D was also built in South Africa by General Motors South African (Pty) Ltd. The South African range was made up of four-door fastback sedans, five-door hatchbacks, and a five-door estate model called the Voyage. The engines used are Opel's 1,2 litre overhead valve inline-four (L models only), or the OHC 1,3 liter (GL, GLS, and Voyage). Power is 60 PS (44 kW) and 75 PS (55 kW) respectively. Later a 1,6 liter engine was added.

Also called: Vauxhall Astra
Production: 1979-1984
Assembly: Bochum, Germany
 



OPEL KADETT (E) - 1984-1991 - Overview
The Kadett E (Vauxhall Astra Mark 2 in the UK) was introduced in August 1984, and was voted 1985 European Car of the Year. The 1984 model was also developed into a more conventional three-box design with a boot (trunk), badged as the Vauxhall Belmont in the UK and the Opel Monza in South Africa, launched at Frankfurt 1985. This was awarded 1985 Semperit Irish Car ot the Year in Ireland. There was a station wagon called the "Caravan" available, with either three or five doors.
A convertible version was also available, for the first time in 1987, built by Bertone of Torino/Italy, bringing it to line with competitors such as the Ford Escort and Volkswagen Golf. For the 1988 model, capacities were raised to from 1.3 to 1.4 litres. In the fall of 1986 a new 1,998 cc engine replaced the 1.8 hitherto used on the GSi and Vauxhall Astra GTE in many markets, although the 1.8 continued to be sold in some places. In 1988, a 16-valve twin-cam version was developed for a high-performance GSi/GTE model, yielding 156 PS (115 kW) in non-catalyzed form, six less horsepower with a catalytic converter fitted.
The Kadett E has been seen as a grey import in the UK, but it is quite rare compared to the Vauxhall Astra Mark 2. It was never officially sold in Britain, and by 1989 General Motors was only marketing the Vauxhall brand in the UK. There was also a van version with a raised roof, called the Opel Kadett Combo.
The Kadett E was introduced in Brazil as the Chevrolet Kadett, but the three-door station wagon (later also five-door) was called the Chevrolet Ipanema. Brazilian production commenced in April 1989, with the Ipanema being added in October of the same year. From 1992 Brazilian Kadetts/Ipanemas received fuel injection. Brazilian cars received either 1.8 or 2.0-litre petrol fours.
In the early 1990s, South African Kadett GSi's were further upgraded based on their success in production car racing and initially 500 special units were built as road cars for homologation purposes. This was a minimum requirement for entry into the Stannic Group N races. They went against BMW's 325iS (A 2.7 litre homologation special from BMW). They featured more aggressive 276-degree camshafts made by Schrick with 2 different settings for timing overlap (110° and 107°), revised intake and exhaust modifications (4-in-1 branch manifold and freeflow exhaust), Irmscher spring kit, modified engine management system by Promotec, a limited slip differential developed by Andre Verwey and special Aluett 7Jx15-inch ET35 alloy wheels, they were nicknamed the "Superboss" and held the world record for the most torque per liter (114 Nm per liter) until recently beaten by the Ferrari 458 (117 Nm per liter). After the first 500 units were produced, many more were built to satisfy public demand.
The Kadett E formed the basis of the Daewoo LeMans (later known as the Daewoo Cielo, Daewoo Racer and Daewoo Nexia) in South Korea, Nexia being the hatchback version), which was sold in the United States and New Zealand as the Pontiac LeMans, and in Canada (initially) as the Passport Optima. LeMans sales ended in 1993. The Nexia is still being produced at UzDaewoo plant in Asaka, Uzbekistan. The Cielo was last being produced at Automobile Craiova, a semi-independent (from GM) plant in Craiova, Romania. Their license expired in the fall of 2006.
In 1992, GM Europe decided to standardise model names across its two brands, and Opel adopted Vauxhall's name for the Kadett, Astra, for the replacement car for Europe which debuted that year. Only in South Africa, the Kadett name continued on the first Opel Astra hatchback until 1999 (Astra/Kadett F), when all models took the Astra name.
However, under Opel's internal naming convention, successive generations of the Astra platform are treated as a logical continuation of the Kadett lineage - hence the original 1992 Astra was designated Astra F in relation to the previous Kadett E - this convention has continued through the Astra J.

Also called: Opel Astra (East Africa); Chevrolet Kadett, Chevrolet Ipanema, (BRA); Daewoo LeMans, Daewoo Racer, Daewoo Cielo, Daewoo Nexia (ROK); Opel Monza (RSA); Passport Optima; Pontiac LeMans (USA)&(AUS); Vauxhall Astra, Vauxhall Belmont (GB); IDA Kadett (YUG)
Production: 1984-1991
Assembly: Bochum, Germany; Antwerp, Belguim; Azambuja, Portugal

 
 

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