18 x 22 would be standard but I would suggest you go at least 20 x 24.
There aren't any standard dimensions for a 1.5 car garage, but a one-car garage is less than 300 square feet. A two-car garage is usually just over 600 square feet, so a 1.5 car garage would be somewhere in between the two measurements.
what is the standard inside dimensions of sumo car.
whats the measurements on a four wind 1993 r.v door
In the United States, nine feet wide by seven feet high.
Those dimensions would correspond to a two-car garage.
The standard width of a one-car garage door is typically 8 to 9 feet wide.
The standard width of a single car garage door is typically 8 to 9 feet wide.
A two car garage is usally 24 feet X 24 Feet.
generally 24' x 24'
The standard size of a 1-car garage door is typically 8 feet wide by 7 feet high.
The standard size of a one car garage door is typically 8 feet wide by 7 feet high.
A standard 2 car garage is 24 ft x 24 ft. So you would double that for a four car garage.