1. Yamaha: Yamaha is a Japanese motorcycle and marine products company. They do not produce cars.
2. Youngman: Youngman is a Chinese automobile manufacturer. They produced a range of vehicles, including SUVs, vans, and trucks.
3. Yugo: Yugo is a Serbian automobile manufacturer. They are best known for the Yugo 45, a small hatchback that was exported to several countries during the 1980s and 1990s.
4. Yulon: Yulon is a Taiwanese automobile manufacturer. They produce sedans, SUVs, and commercial vehicles under various brand names, including Luxgen, Nissan Yulon, and Mitsubishi Zinger.