SHANGHAI--U.S. auto maker General Motors Co. GM, +0.66% and its joint ventures in China sold 310,765 units in January, up 26% from a year earlier, the company said Tuesday.

The company's joint venture with Shanghai's SAIC Motor Corp. (600104.SH) sold 154,220 units, up 24.3%, while sales at its joint venture with FAW Group grew 84.5% to 4,490 units.