General Motors said it sold 685,583 vehicles in China in the first quarter, up 10% year on year.
Sales came to 233,014 units in March, up 1.3% year on year, the automaker told Reuters.
The world's largest auto market is returning to a more rational growth pattern since Beijing stripped away most of its policy incentives at the end of last year, the report noted.
Toyota Motor sold 208,000 cars in China in the first three months, up 16.3% year on year.
GM has manufacturing joint ventures with SAIC Motor and FAW Group, making cars, light commercial vehicles and minivans.