What Is The Two-Car Garage Size?

There are many different types of garages. The technical “type” is affected by the size, shape, and original use of the garage. Most garages are primarily for parking a car, just like a carport. But these days, the uses have broadened

Two-Car Garage Size

After all, a lot of people are changing their garage and transforming it into a man cave or she-shed. This can give you a nice getaway from your usual activities and responsibilities for a little time each day. 

What Is A Two-Car Garage? Image from McPhee Associates of Cape Cod

A two-car garage is just a garage that was made for two cars. As you’ll read more about later, a standard two-car garage is actually a little less than twice as big as a one-car garage. This is because the door sizes matter.

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You need to add the two separate door sizes together while clearing just a couple of feet around the perimeter. This ends up being around 18ftx20ft, though it is rarely smaller, it can be quite a bit bigger. 

When you add in the room for recreation, it’s a lot bigger. Oftentimes, two-car garages are used as one-car garages with a workshop or exercise room attached. So that way, you have approximately 180sqft of room for recreation. 

Average Garage Door SizeImage from Affordable Garage Doors & Openers LLC

Because over 60% of all housing units have a garage or carport, it’s easy to see why knowing the average garage door size is so important. After all, resident-owned homes have a garage 80% of the time. 

The reason why the garage door is more important than the garage size itself is that your car needs to fit through the door comfortably. A tight fit is just asking for issues and scratches on your vehicles. 

Single-Car Garage

The average size for a one-car garage is 12ft x 20ft. This gives two to three feet of clearance all the way around. While a smaller garage can work, it’s best to give yourself some room to walk around rather than feel cramped.

You can go smaller than this, but it is best not to as that won’t give you any room for mistakes. You want to be able to drive into the garage comfortably without the fear of scratching your vehicle on the walls. 

Two-Car Garage

The standard two-car garage is 18×20. This doesn’t give you as much room to walk around as a one-car garage does. But it is plenty big enough for two standard cars, though large trucks will struggle with enough room. 

However, it only takes a couple of feet to make a larger truck fit well. So you can always add on for a reasonable price. Adding four feet is usually a good option as this is the average size of many building materials. 

Multi-Car Garage

The most common three-car garage size is 28×20. Then for a four-car garage, the standard size is 36x22ft. Around 20ft is a common width for a house and this is what most garages will be as well to match the house. 

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Since the most popular vehicle in the United States is the Ford F-150, some garages are longer to accommodate the vehicles which can reach 20ft in length. But for smaller vehicles, 20ft is a perfect fit. 

Types Of GaragesImage from Wright-Ryan Homes

Regardless of material or interior layout, there are a few different types of garages that you will see quite regularly. These garages all come in different sizes and materials, and they can all be found in a two-car garage size. 


A detached garage is like a large shed or outbuilding. It is used for parking cars away from the house. In order to go between the two, you will need to go outside. This is great for families with different sleeping hours than each other. 

You can quietly leave the house and use your garage. It also works well for condominiums or other types of living quarters when you have multiple families living at the same property. Duplexes work the same. 


An attached garage is the most common type of garage. It shares one wall with the house and usually includes a door that goes directly from the house to the garage. This makes it easy and more comfortable in harsh weather. 

If you don’t know what type of garage to get, you probably want an attached garage. It is the most convenient and gives you extra space you can use for a workshop or hobby area that is connected to the house. 


A downstairs garage or basement garage isn’t all that common. It consists of a garage that is on the lower level of the home with the living quarters above the garage. It is more common in areas prone to flooding. 

This is also common in detached garages that are used as guest quarters. An upper level is added to accommodate guests who don’t live on the property or in simple Air BnB buildings that don’t have permanent residents. 

Related: 16 Garage Conversion Ideas To Improve Your Home


A portable garage is rare in residential areas. But it can be common at festivals and circuses. They are put up in an hour or less and usually look like a tent. These can be purchased as kits and set up by two people. 

Some are quite pricey because of the heavier materials that are used while others can be purchased for the same price that you would purchase a simple camping tent. Though prices vary greatly with both tents and portable garages. 


A carport is simply a garage without all four walls. Even a carport with three walls is a carport rather than a garage. If you only want top cover, a carport is a great option, especially if you live in a mild climate. 

Carports, in general, are airy and can be used as a cover for outdoor cookouts. Though cooking should still be done outside of the carport so that the smoke has an easy escape. Never BBQ under a carport or garage. 

Best Garage Amenities To Make Life BetterImage from Ashley J. Design

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No garage is complete simply after walls and garage doors are put up. You need amenities and added accessories to really make your garage useful. Here are a few things you can buy to make life easier and more comfortable. 

Garage Door Opener

There’s not much that makes your garage life easier than a garage door opener. Garage door openers can open automatically, with a button, a remote, or even an app on your phone. Get one as a gift to your family and your guests. 

Surprisingly enough, you can get a garage door opener for a reasonable price. Nice ones start at around $100 and prices keep rising as does quality until you are well over $1000. Sticking somewhere in the middle gives you the best deal.

Garage Heater

Let’s face it, garages rarely have good insulation and the floors are usually frigid concrete. You can make this much better and make the garage a pleasant place by adding a garage heater. There are so many different kinds to choose from too. 

Heaters can be very cheap, however, it’s important to make sure a garage heater can withstand any differences in moisture that the garage holds. If your garage is well-insulated, then you can use a standard heater. 

Garage Home Gym

One of the best things you can do with your extra space is to build a garage home gym. There are a lot of garage home essentials you can buy to spruce up your home gym, but starting with the basics can take you a long way.

Sometimes a bench and yoga mat are all you need to get started. Then you can add on with dip bars, treadmills, and maybe eventually a Peloton. Customize your garage home gym to fit your health and wellness needs. 

Garage Threshold

This is one thing that people never consider yet they never regret buying. A garage threshold serves many purposes but its main purpose is to act as a moisture barrier that prevents flooding in your garage.

You wouldn’t have a front door without one of these, so why have a garage door without one? They work amazingly well, are affordable, and compatible with cars driving in. A garage threshold is definitely a worthy investment. 

Should I Get A Two-Car Garage Size Garage

Should I Get A Two-Car Garage Size Garage?

While a one-car garage size garage is great for some people, most people need a two-car garage size garage. This is for a couple of reasons. Primarily because most families have two vehicles as there are usually two employers. 

However, even if you only have one car, it can be beneficial to have a two-car garage because you can use that extra space for so much. It’s also cheaper by the sqft to buy a two-car garage than it is to buy a one-car.

Now, if there’s one thing that drives people it is money. Money and family. If those are the main focuses of those deciding on the size of the garage that they need then a two-car garage is almost always the best choice.



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