Oldsmobile (US) 1896 -
Established in 1896 by Ransom E. Olds. Part of General Motors since 1909. Oldsmobile became the technical leader within the GM concern after WW2. The 1949 oversquare 4.9 litre V8 'Rocket' engine was the first of its kind to appear. By 1951 the old sixes were dropped altogether. GM's X frame was standard on all models.