Who knows the Vauxhall brand? On the European continent, the British offshoot of what was once the world's largest car manufacturer, General Motors, was not very well known. The car, which was presented in London in the fall of 1970 and in Geneva in the spring of 1971, looked like nothing else the British volume manufacturer had ever produced under the umbrella of General Motors - and caused a stir even where the brand was completely unknown.