Expect to pay more if you have the work done at an automobile dealership. Cost to REBUILD a Transmission Cost Range: $1,500 to $4,000+ Average Cost: $1,875 to $2,600. Cost to Purchase a REMANUFACTURED Trans Cost Range: $2,100 to $5,000+ Average Cost: $2,400 to $3,600.ransmission Rebuild and Replacement Costs Average Cost-Passenger Vehicles. These costs are not vehicle specific, however the cost for most transmission rebuilds will fall within this cost range. These costs are typical of transmission repair shops.