Dongfeng Automobile's (SHA:600006) total sales in May rose to 10,073 vehicles from 9,357 vehicles a year earlier, according to a Shanghai bourse filing on Saturday.
The Chinese automobile maker's shares slipped 2% during Monday's midday trade.
However, the sales of new energy vehicles fell year on year to 1,270 units from 3,355 units.
As for the output, the total number of produced vehicles climbed to 11,724 units from 9,927 units a year earlier.