Motor vehicle sales in the Philippines remained flat in September, down 0.1% from August, a joint report from the local car and truck makers' associations said on Monday.

In a statement cited by local website, INQ7.net, the two groups said 8,199 motor vehicles units were sold in September, compared with 8,204 in August.

From January to September, 71,963 units were sold, up 11.5% from 64,523 during the same period last year.

"The industry maintained its sales level through intensive and extensive promo[tion]s and marketing activities just to sustain sales," it said.

Passenger car sales were down 1.3% month-on-month in September, rose 10.5% year-on-year from January to September.

Commercial vehicle sales were up slightly by 0.7% month-on-month but were up 12.1% year-on-year during the first nine months.