Generally, the lifespan of a garage door is around 15 to 20 years depending on the durability of materials and how well it is maintained.
If your garage door is more than 20 years then it’s a time to replace and install a new one.
Here is a list of things that you should consider while installing a new garage door to your home.
A garage door is generally inexpensive (within the few hundred dollars) but if you are going to buy a new garage door with additional functionalities; it may cost you in thousands.
Quality of materials, construction and design affect the price of a door and so, always choose one in which the durable materials used.
Yes, agree it cost you much but a better investment for a long run.