BYD's (HKG:1211, SHE:002594) sales of new energy vehicles rose to 383,453 units in May from 382,476 units in the year-ago period, according to a Monday filing with the Hong Kong bourse.

The Chinese automaker's production jumped to 380,549 units from 349,824 units in the prior year.

For the five months ended May 31, sales and output slipped 20% and 21% year over year to 1.4 million vehicles each.