Deliveries of China-made Model 3 and Model Y vehicles recorded a 15.5% increase from the previous month, data from the China Passenger Car Association (CPCA) showed on Tuesday.

Chinese rival BYD, with its Dynasty and Ocean lineups of EVs and plug-in hybrids, hit yet another monthly record high with passenger vehicle sales up 67.2% year-on-year to 504,003 units last month.

Overseas shipments made up 6.1% of the total sales, per a company filing.

Tesla has ramped up China incentives at the year end with a time-limited 10,000 yuan (1,375.89 US dollar or 382,609 Pakistani rupees) discount on outstanding loans for its best-selling Model Y

Tesla has lost ground amid a BYD-led cost-cutting competition.

The U.S. carmaker extended zero-interest financing of up to five years for some Model 3 and Model Y cars in China by another month to end-December, the fifth such extension since it rolled out the scheme in July.

Tesla s share of the world s largest EV market shrank to 6% in sales terms in October, nearly half the September level and the lowest in a year, according to Reuters  calculations based on CPCA numbers.