Aftermarket Sunroof: It is possible to get a sunroof installed in your old car. However, it comes with its own pros and cons, which are explained below, along with the approximate cost of installation. Aftermarket Sunroof: It is possible to get a sunroof installed in your old car. However, it comes with its own pros and cons, which are explained below, along with the approximate cost of installation. Zee News :Business