H6 is a designation used in various contexts, but it is most commonly associated with a type of aircraft engine. Specifically, the H6 engine is a six-cylinder, horizontally opposed engine often used in light aircraft. Its design allows for a compact and efficient power source, making it popular among aviation enthusiasts and manufacturers. In addition to aviation, H6 can refer to a specific model of a vehicle, such as the Haval H6, a compact SUV produced by the Chinese automaker Great Wall Motors. The Haval H6 is known for its spacious interior, modern features, and affordability, appealing to a wide range of consumers.