Ford says GM has a long way to match its U.S. commitment. For years, Ford has held onto its title as the largest carmaker in the United States. According to CEO Mary Barra, GM could surpass Ford as early as 2027. Balancing Imports With Domestic OutputLast year, GM maintained its position as the top-selling automaker in the United States, delivering approximately 2.85 million vehicles. Ford Has Its SayWhile GM could soon be building more cars in the United States than Ford, its crosstown rival doesn’t seem concerned.