After buying an Emgrand, I hope real car owners can tell me whether the rust problem is serious.

It is more serious, and the probability of rust is relatively high. Generally speaking, rust is more likely to occur in coastal areas. The main rusty parts of this car are the fenders and doors. It's all rusting from the inside out. You can go to the car quality website to check the statistics of complaints about rust on this car. They are almost all in the same area