The cost of replacing a bad turbo can vary depending on the make and model of your car. However, on average, it will cost you between $1,500 and $4,000 to replace a bad turbo. If you're looking to save money on this repair, you may be able to find a used or refurbished turbo for your car. However, keep in mind that installing a used or refurbished turbo may void your car's warranty.