what are the average dimensions of a two car garage
2 Car Garage Size and Dimensions This video is a 2 car garage in the 24x24 dimension size. 2 car garages are built in many other dimensions. This 2 car garage is built in vinyl siding. Garages are also built in wood and board batten siding. The standard 2 car garage size that is most popular is 24x24. Alan's Factory Outlet smallest 2 car garages is 20x20. They can be built up to 40' long in a 24x40 or 28x40 dimensions. Alan's Factory Outlet 24x24 2 car garages can also be made with a 2nd level in an a-frame or barn roof.