How much to replace a head gasket on a 1999 Audi a4?

Replacing a head gasket on a 1999 Audi A4 typically costs between $1,200 and $2,500, depending on labor rates and the extent of engine damage. The price includes parts and labor, but additional costs may arise if related components need replacement. It's advisable to get a detailed estimate from a qualified mechanic to understand the full scope of the repair.