The new Racco electric kei car was built from the ground up to take on Japan's kei cars. BYD is going after traditional Japanese automakers on their home turf in one of the most popular vehicle segments in the country: kei cars. The Chinese giant revealed the Racco kei car for the Japanese market Tuesday, and on paper, it outclasses rivals from Nissan, Honda and Mitsubishi. Gallery: BYD Racco (Kei Car) at the Japan Mobility Show 2025 8 Source: Motor1.com DeutschlandBYD could use the leg up in Japan. For context, Japan sold roughly 4.5 million new cars in 2025, and 1.6 million of those were the mini kei cars.