Mitsubishi Motors Corp.'s domestic vehicle sales more than halved in May from a year earlier after the automaker was hit by a fuel economy manipulation scandal, data showed Wednesday.

Meanwhile, Nissan Motor Co. also suffered a double-digit drop.

Mitsubishi marked a 51.4 percent year-on-year fall to 2,766 units, as the automaker suspended production of four minicar models, including those supplied to Nissan, after admitting to falsifying fuel efficiency data. Nissan sold 28,678 units, down 26.2 percent.