[1] The company was a well-known manufacturer of luxury automobiles, including the Double Phaeton that carried Archduke Franz Ferdinand and his wife, Sophie, when they were assassinated in Sarajevo in June 1914.
While the bicycle business in Europe was booming, the brothers also saw potential in the fledgling automobile, and commissioned Josef Kainz to design one.
One of the Gräf & Stift luxury open touring cars, a Bois de Boulogne model double phaeton (engine no.
As the war broke out, Gräf & Stift started manufacturing trucks in order to meet wartime demand, which, together with buses and special vehicles, became the company's main business and enabled it to flourish in a rather difficult time.
To boost sales, and therefore profits, Gräf & Stift also launched smaller models, badged G 35, G 36 and G 8, powered by a 4.6-litre eight-cylinder engine.
Later, a joint-venture was started with Ford of Cologne, which provided for eight-cylinder Ford-licensed vehicles, badged Gräf-Ford V8, to be assembled by Gräf & Stift.
Neither of those ventures proved successful enough to assure the profitability of the passenger car business of Gräf & Stift, so the company decided to pull out of it.
Its last own model was the rather modern C 12, fitted with a new twelve-cylinder engine, which was only made in very limited numbers in 1938, when the company ceased automobile production to concentrate on truck and bus manufacturing.
In that year, MAN built a new plant on Gräf & Stift's original site in the Liesing district of Vienna and continues to be the biggest employer in the area.