DETROIT General Motors says its September sales dropped 11 percent from a year ago.
Even the company's big pickup trucks saw sales declines, with the Chevy Silverado down almost 11 percent and the GMC Sierra off 2 percent.
Industry analysts are predicting that total U.S. auto sales fell about 4 percent because Labor Day weekend was counted in August figures this year The normally strong weekend probably pulled sales from September into August.
Ford's U.S. sales rose 6 percent in September, with strong car sales making up for slower sales of SUVs.
Ford said sales of the Fusion midsize sedan jumped 62 percent over last September. Sales of the subcompact Fiesta rose 28.5, while sales of the C-Max hybrid, which went on sale last fall, more than doubled.
Chrysler says its U.S. sales rose 1 percent in September on strong performances from the Jeep Grand Cherokee and Ram pickup.