GM, Ford sales sink on weather, but Chrysler grows

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Major U.S. automakers General Motors and Ford both reported month auto sales that declined in January.

General Motors auto sales fell 12 percent. The company said it expects to earn modestly highers U.S. market share in 2014 and grow its commercial fleet business. And rival Ford posted a surprise 7 percent drop in auto sales in January, blaming bad weather across the country.

Ford January sales down 7.1%

Ford said it sold just over 154,600 vehicles in the month, with fleet sales in particular heavily impacted by the weather.

(Read more: 'Global gridlock':Study says congestion to jam car sales)

The Ford results stood in sharp contrast to Chrysler, whose U.S. sales rose 8 percent in January despite the frigid weather that gripped much of the nation.

The automaker says it sold just over 127,000 vehicles for its best January in six years.

(Read more:Global auto sales hit record high of 82.8 million)

By The Associated Press. contributed to this report.