ATVs are vehicles that can travel on any terrain, and walk freely on terrain where ordinary vehicles are difficult to maneuver. Because of its structure and motorcycle are very similar, and many parts and motorcycles common, so it is also known as the "four-wheeled motorcycle." ATV is simple and practical, off-road performance is good, it uses large vacuum tires to increase the contact area with the ground, resulting in greater friction and can reduce the pressure on the ground vehicles to make it easy to travel in the sand, riverbed, forest road, streams , Desert and other special terrain. The car has a variety of performance purposes, civil often used in agriculture, animal husbandry, forestry, hunting, exploration and other industries, often used in military emergency rescue, carrying personnel, transporting goods or assault operations.

ATVs can be subdivided into ATVs, UTVs, SSVs, etc. according to their performance.