A V6 engine, often just called a V6, is an internal combustion engine with six cylinders. The engine has three cylinders on each side called banks. The two banks form a "V" shaped angle. In most engines, the two banks are at a right angle (90°) or less to each other. All six pistons turn a common crankshaft. It is the second most common engine design in modern cars after the inline four. It can be powered by different types of fuels, including gasoline, diesel, natural gas and alcohol.