how much to rid a car of rust
in Auto Repair. on October 7, 2013. The average cost of auto rust removal can vary. Price points can depend on a number of things, including the size of the rusted out area, the type of repair you are looking for, the type of car you have and how quickly you need it done. On average, rust repair can cost anywhere from $500 to $1,000, depending on those factors.