Chrysler had the biggest imrpovement. It's 2011 sales rose 26% compared to 2010, selling 1.37 million vehicles in 2011.
GM's sales jumped 13% in 2011. The automaker sold just over 2.5 million new cars and trucks in the u-s.
Ford's sales increase 11% in 2011 thanks to strong demand for trucks and SUVs. Ford sold 2.1 million vehicles last year.
Chrysler's sales surge was due in large part to the success of Toledo built Jeep models. Both the Jeep Liberty and Jeep Wrangler posted strong sales increase last year.
For the year, Jeep Wrangler sales were up 30% to 122,460.
Liberty sales were up 35% to more than 66,000 sold last year.