Is fixing a head gasket expensive?

Yes, fixing a head gasket can be expensive. The cost will depend on the make and model of your car, as well as the severity of the damage. In some cases, a simple head gasket replacement may be sufficient, while in other cases, the entire engine may need to be replaced. The average cost of a head gasket replacement is between $1,500 and $3,000, but it can be as high as $5,000 or more.