How much would it cost to rebuild an 85 mr2 engine?

The cost to rebuild an 85 MR2 engine can vary widely based on factors such as parts availability, labor rates, and whether you're doing the work yourself. On average, a rebuild could range from $1,500 to $3,500, including parts like pistons, bearings, gaskets, and machine shop services. If you opt for performance upgrades or high-quality parts, costs could increase significantly. Always consider getting detailed quotes from local mechanics or performance shops for a more accurate estimate.