Generally speaking, a 2010 Hyundai Elantra transmission replacement will cost between $3,750 and $4,100—which isn’t cheap, but still less expensive than the average across all makes and models.
Most of what you’re paying for goes towards the replacement transmission itself—a remanufactured 2010 Hyundai Elantra transmission typically sells anywhere from $2,800 to $3,050.
The rest of what you’re paying—somewhere between $950 and $1,050—pays for the mechanic’s labor. Replacing a 2010 Hyundai Elantra’s transmission is no small feat and even the most skilled mechanics usually require 1 - 4 days to complete the procedure.