How much should it cost to fix a blown head gasket on 1986 GMC Sierra?

The cost of fixing a blown head gasket on a 1986 GMC Sierra can vary significantly depending on several factors, including the severity of the damage, the make and model of the engine, and the location and labor rates of your preferred mechanic. To give an approximate cost range, it may fall between $800-$2,500. But to ensure an accurate evaluation and estimate for your specific vehicle, consider getting quotes from qualified auto repair shops or dealerships