Ford Motor Co. saw the biggest percentage point gain in U.S. market share in 2010, while Toyota Motor Co. saw the biggest loss. These are the 10 largest car companies by U.S. sales and their share gains or losses in 2010. A percentage point of share equaled about 115,800 cars and trucks in 2010.
| Company | Total 2010 sales | 2010 U.S. market share | Percentage point change in share from 2009 |
| General Motors | 2,211,091 | 19.1 percent | -0.7 |
| Ford | 1,931,534 | 16.7 percent | 1.2 |
| Toyota | 1,763,595 | 15.2 percent | -1.8 |
| Honda | 1,230,480 | 10.6 percent | -0.4 |
| Chrysler | 1,085,211 | 9.4 percent | 0.5 |
| Nissan | 908,570 | 7.8 percent | 0.4 |
| Hyundai | 538,228 | 4.6 percent | 0.4 |
| Kia | 356,268 | 3.1 percent | 0.2 |
| Subaru | 263,820 | 2.3 percent | 0.2 |
| Volkswagen | 256,830 | 2.2 percent | 0.2 |