Magnesium is a chemical element that is found in various on the entire earth. It is lighter than aluminium but yet has stronger strength. In today’s modern world, it is used many reputed and leading car manufacturing companies in various applications such as transmission, engine blocks, road wheels, differential housings, magnesium alloy frames, paddle shifters and many more other application in the vehicle. As per the weight ratio, it is 35 percent lighter than aluminium. People can find the use of this material in the vehicle that has weight to power ratio. With the use of this material the overall weight of the vehicle is reduced significantly, hence allowing the manufacturers to produce faster cars. But people should also notice that it is costly than aluminium.