A single garage door with room for a single car that measures 8 feet wide by 7 feet high will cost around $4,000. By contrast, an 18-foot-wide by 8-foot-high double glass garage door housing two cars ...

Door Size Garage door prices can vary by size, and door sizes are largely dependent on the garage. A standard garage door is about 7 to 10 feet wide and 7 or 8 feet in height. Adding a single door to ...