One of the world's largest automakers, General Motors has been manufacturing cars since it was founded as a holding company for Buick in 1908. Since then, GM has sold millions of vehicles annually, and many of these models have become staples of American culture. To get an idea of which GM models are the most iconic and important over the company's history, Karl Brauer, Senior Analyst & Editor-at-Large at listed his top picks. Some of the models launched iconic lines, others marked the beginning
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