 During the infamous year 2020, with all its distortions and shifts, automakers delivered 14.46 million new vehicles in the US, retail and fleet combined, down 15.4 from 2019, the largest year-over-year percentage decline since 2008 -18. General Motors, the largest automaker in US sales, reported that its deliveries in the US in the year 2020 fell by 12 to 2.55 million units. It was the fifth year in a row of declines. 