The 2000s began with a recession in early 2001 and the effects of the September 11 attacks , significantly affecting auto industry sales and profitability . The stock market decline affected the pension fund levels of the automakers , requiring significant contributions to the funds by the automakers ( with GM financing these contributions by raising debt ) . In 2001 , Chrysler discontinued their Plymouth brand , and in 2004 GM ended their Oldsmobile division
September 11 attacks
September 11 attacks
Automotive industry in the United States