Engine displacement refers to the total volume of all the cylinders in an engine. It is usually measured in liters or cubic centimeters (cc) and indicates the size of the engine. A larger displacement generally means the engine can burn more fuel and air, which can lead to more power. For example, a V8 engine typically has a larger displacement than a four-cylinder engine, allowing it to produce more horsepower. Displacement is an important factor in determining a vehicle's performance and efficiency. However, it’s not the only factor; other elements like turbocharging and engine design also play significant roles. Understanding engine displacement helps consumers make informed choices when selecting vehicles based on their power needs and fuel economy.