The Opel Tech 1 Concept was a research vehicle and

concept car A concept car (also known as a concept vehicle, show vehicle or prototype) is a car made to showcase new styling and/or new technology. They are often exhibited at motor shows to gauge customer reaction to new and radical designs which may or ...

developed by

Opel Opel Automobile GmbH (), usually shortened to Opel, is a German automobile manufacturer which has been a subsidiary of Stellantis since 16 January 2021. It was owned by the American automaker General Motors from 1929 until 2017 and the PSA Grou ...

, a subsidiary of

General Motors The General Motors Company (GM) is an American Multinational corporation, multinational Automotive industry, automotive manufacturing company headquartered in Detroit, Michigan, United States. It is the largest automaker in the United States and ...

. It was exhibited at the 1981 International Motor Show Germany (IAA) in

Frankfurt Frankfurt, officially Frankfurt am Main (; Hessian: , "Frank ford on the Main"), is the most populous city in the German state of Hesse. Its 791,000 inhabitants as of 2022 make it the fifth-most populous city in Germany. Located on its na ...

. The car was based on the fourth-generation

Opel Kadett D The Opel Kadett is a small family car produced by the German automobile manufacturer Opel from 1936 until 1940 and then from 1962 until 1991 (the Cabrio continued until 1993), when it was succeeded by the Opel Astra. Kadett I (1936–1940) ...

and used the

platform Platform may refer to: Technology * Computing platform, a framework on which applications may be run * Platform game, a genre of video games * Car platform, a set of components shared by several vehicle models * Weapons platform, a system or ...

, which was called the T Car. The vehicle was designed by Erhard Schnell., and foreshadowed some of the design language found on production Opel/Vauxhall cars released throughout the 1980s.

Body

The design targeted a peak of aerodynamics and reached a

drag coefficient In fluid dynamics, the drag coefficient (commonly denoted as: c_\mathrm, c_x or c_) is a dimensionless quantity that is used to quantify the drag or resistance of an object in a fluid environment, such as air or water. It is used in the drag equ ...

of 0.235 c_w thanks in part to a panoramic

windshield The windshield (North American English) or windscreen (Commonwealth English) of an aircraft, car, bus, motorbike, truck, train, boat or streetcar is the front window, which provides visibility while protecting occupants from the elements. Mo ...

. Some of the car's aerodynamic features made it into production form on both the 1984 Opel Kadett E and the 1986

Opel Omega The Opel Omega is an executive car engineered and manufactured by German automaker Opel between 1986 and 2004. The first generation, the Omega A (1986–1993), superseded the Opel Rekord. It was voted European Car of the Year for 1987, and wa ...

- most evidently its front end styling. The Tech 1's wheel design entered into

mass production Mass production, also known as flow production or continuous production, is the production of substantial amounts of standardized products in a constant flow, including and especially on assembly lines. Together with job production and batch ...

as an alloy wheel option on top-spec models of the Opel Rekord E2/Vauxhall Carlton.

Interior

All controls were push buttons. Only the

steering wheel A steering wheel (also called a driving wheel (UK), a hand wheel, or simply wheel) is a type of steering control in vehicles. Steering wheels are used in most modern land vehicles, including all mass-production automobiles, buses, light and ...

gear lever A gear stick (rarely spelled ''gearstick''), gear lever (both UK English), gearshift or shifter (both U.S. English), more formally known as a transmission lever, is a metal lever attached to the transmission of an automobile. The term ''gear sti ...

and foot controls were conventional.

References

{{Opel Compact cars Tech 1 Car models