Question: how many square feet is 3 car garage?
Answer: Average Three Car Garages These garages are also best for large living spaces like an additional family room. Three car garages are usually 32 feet wide by 22 feet deep. Much like 18 x 20 2 car garages, 32 x 22 feet snugly fits 3 cars. Your other, larger options include 36 x 25 feet, 38 x 26 feet and 40 x 30 feet.