If the automobile steel rim is compared with the aluminum rim, of course, the aluminum rim is better. The reasons are as follows:
The characteristics of aluminum are softer than steel, which determines that the comfort of aluminum rims is better than that of steel rims;
The heat dissipation of the aluminum rim is about 3 times that of the steel rim so that the tire system is always at a relatively comfortable temperature and prolongs the service life of the tire;
For the aluminum circle of the same size, aluminum is lighter than steel. The most intuitive advantage is to reduce fuel consumption.