Question: what is the average size of a 2 car attached garage?
Answer: Average Two Car Garages Typically, two car garages are 18 feet wide by 20 feet deep. This is just enough to fit two cars in your garage. There are several other common sizes including 20 x 20, 22 x 22 and 20 x 22. Some of these sizes make it far more comfortable to open the doors of your car.