What is hunday 4x4?

I'm sorry, could you please provide more information regarding Hunday 4x4? As an AI language model, I have no information about any car brand called Hunday. However, Hyundai is a popular car brand that produces 4x4 vehicles such as the Santa Fe, Tucson, and Kona. If you provide more specific details about what you would like to know, I would be happy to help to the best of my knowledge.