The displacement of an engine is the total volume of all of the cylinders in the engine. Measured in cubic centimetres (cc)

ICE engines have one or more cylinders. More cylinders typically mean more smoothness and more power, but it also means more moving parts and less fuel efficiency.

The number of intake and exhaust valves in each engine cylinder. More valves per cylinder means better engine breathing and better performance but it also adds to cost.

The total amount of fuel the car's tank can hold. It tells you how far the car can travel before needing a refill.