Together, Honda and Nissan would also pose more of a threat to Toyota Motor Corp., which is the world’s biggest automaker followed by Volkswagen AG.

Nissan sold just over 3 million, according to a separate statement. China’s biggest automaker BYD sold 3.76 million vehicles over the same period, a clear illustration of how weak Nissan and Honda are alone, but how together, they may stand a fighting chance.

Honda's acquisition of Nissan could strengthen the two struggling brands to better compete with China's BYD Co. in the global auto market. Honda's planned acquisition of Nissan would combine their more than 6 million global sales in 2024,

Analysts questioned the timing of the Honda-Nissan potential deal amid intense competition from Chinese rivals, reported the news agency Reuters.