A standard two-car garage size is 20 feet wide by 22 feet deep (20×22). For larger vehicles, a standard two-car garage is 24 feet wide by 30 feet deep (24×30). Find out what size is right for your double garage below.
Two-car garage dimensions can vary greatly, so it’s important to accurately estimate the amount of space you’ll need. For most homeowners, the ideal garage accommodates all of their vehicles and offers enough space for storage items and other activities.
This guide provides common two-car garage sizes and shows you how to design a garage with additional space.
Two-Car Garage Dimensions at a Glance
The minimum size of a two-car garage is 20 feet wide by 20 feet deep (20×20), which gives you just enough room to park two standard-size sedans of about 15 feet long by 6 feet wide.
The average garage size for two cars is 20×22. However, if you want extra room to store tools and supplies, the recommended size is 24×24.
| 2-car garage size | Width (ft.) | Depth (ft.) | Area (sq. ft.) |
| Minimum | 20 | 20 | 400 |
| Average | 20 | 22–24 | 440–480 |
| Recommended | 24 | 24 | 576 |
| Large | 24 | 30 | 720 |
Note that these standard dimensions and square footage apply to both attached and detached garages.
Compact Vehicle Double Garage Size
Two compact vehicles will fit within a small 20×20 garage. These are the minimal dimensions for a standard two-car garage. You may want to consider a larger garage if you plan to upgrade your vehicles in the future or want additional space for storage or a workbench.
Sedan Double Garage Size
Two sedans can park in an average-size 20×22 garage. However, you may want to increase to a 20×25 garage if your car is bigger than average, or if you have a station wagon with a hatch that requires more room to open.
Double Garage Size for SUVs and Pickup Trucks
For two large vehicles, such as SUVs and pickup trucks, you will need a 24×24 garage. However, a 24×30 oversized two-car garage may be a better fit if you plan to keep yard tools, lawn equipment, holiday decorations, and other miscellaneous items in your garage — or if you have an oversized vehicle.
How to Calculate 2-Car Garage Dimensions
When deciding how big your two-car garage should be, there are several factors to take into consideration:
- The size of your largest vehicle (length, width, and height)
- At least 3 feet of buffer on each side and between the cars (9 feet total)
- At least 3 feet of buffer on to the front and back of your longest vehicle (6 feet total)
- At least 3 feet of buffer to the height of your tallest vehicle
- Any extra space you want as an additional storage area for things like a lawnmower, DIY materials, or a workspace
For example, if you have two SUVs that are each 6 feet wide × 16 feet long × 6 feet high and you want to add 3 feet of storage space at one end:
- Width. 6′ (SUV 1) + 6′ (SUV 2) + 9′ (buffer) = 21′.
- Length. 16′ (SUVs) + 6′ (buffer) + 3′ (storage) = 25′.
- Height. 6′ (SUVs) + 3′ (buffer) = 9′.
Thus, your garage should be at minimum 21×25×9. However, it’s always a good idea to opt for more space than you think you need.
Width
Twenty feet is the minimum width required for a two-car garage. While this might be suitable for small cars, it likely will not be wide enough for bigger vehicles.
A 24-foot-wide garage is a great choice for two cars, plus extra storage space on the side.
Depth (Length)
The minimum depth of a two-car garage is also 20 feet for sedans, which average 14 feet to 15 feet long. However, longer vehicles will require more room. Don’t forget to measure your longest vehicle and leave room for future upgrades.
A 25-foot deep garage provides flexibility for storage space and items.
Height
The standard two-car garage ceiling is 8 feet to 9 feet high. A normal garage leaves about 3-4 feet of room above the vehicle to allow for garage door movement. Make sure to measure the height of your tallest vehicle when determining how much room you need.
We recommend a ceiling height of at least 10 feet tall. This allows for more vertical space and flexibility with garage door options. It also leaves room to upgrade to a larger vehicle in the future, up to and including a small RV.
Garage Door Size for Two Cars
Standard two-car garage door dimensions average 16 feet wide × 7 feet high. However, the right-sized garage door will be big enough to avoid scratching and denting your vehicles.
While double-wide garage doors are common for wood garages, metal garages require an extra header for garage doors, which adds to the overall cost. For this reason, it’s more affordable to install separate doors for a two-car metal garage.
To estimate the size you’ll need, a good rule of thumb is to get garage doors that are at least a foot higher than your tallest vehicle.
Two-Car Garage Costs
A prefab two-car garage with 24×25 dimensions starts as low as $8,000, plus the price of a concrete slab.
Compare that to a site-built garage, which costs between $20,000 and $40,000 for a 20×20 area. This price will vary depending on the types of materials, customizations, and labor.
Use our custom garage builder to find out how much a metal two-car garage with the features you want will cost.
How to Maximize Garage Space
Lack of space in your garage can be a major inconvenience. Avoid dents, scratches, and hitting stored items by following the suggestions below.
Increase Vertical Dimensions
If limited property space prevents you from expanding your garage footprint, consider increasing the height instead. There are plenty of ways to use vertical wall space to your benefit.
For example, mounted shelving and storage racks can help reduce items on the garage floor to keep your parking space clear.
Get Organized
Sometimes the problem isn’t a lack of space but rather a lack of organization. Using the garage to store miscellaneous items can increase clutter over time if not well kept.
In addition to overhead storage racks, here are a few more ways to take advantage of underused wall space:
- Pegboards. From tools to craft supplies, you can hang a wide variety of items on a mounted pegboard.
- Cabinets. With cabinets you can keep items stored away from plain sight and organize them into drawers.
- Bike racks. Hanging bikes and scooters prevents them from being a parking hazard and keeps them from getting scuffed while not in use.
Interested in more ideas? Check out our garage storage hacks to maximize space.
Add a Double Carport
As an alternative to garages, 2-car carports alleviate the constraints of enclosed walls. Carports also allow easier access to enter and exit from your car doors, and they come in handy if you need to extend vehicle protection from an existing attached garage.
Finally, carports tend to be more cost-effective than building a garage extension if you need to protect more vehicles.
FAQs About Two-Car Garage Sizes
Wondering if you need a standard 2-car garage or something bigger? Check out these answers to frequently asked questions for more specific information.
What is the best size for a two-car garage?
The best size for a two-car garage is one that fits your vehicles and accommodates your storage needs.
Remember to add a buffer of at least 3 feet on all sides (left, right, front, back, and above) and between your two vehicles. Planning for the future is important as well. Think about the size of new vehicles to ensure that the garage you get now will be big enough for future needs.
For a detailed look at how to find the best-sized double garage for you, watch the video below.
Can you fit two cars in a 20×20 garage?
You can fit two small cars in a 20×20 double garage, but it will be a tight fit for anything larger than compact vehicles.
For standard-size sedans, you will need at least a 20×22 or 20×24 garage to fit them both. SUVs or pickup trucks may need more space.
Is a 24 24 garage big enough for two cars?
A 24×24 garage will fit two average-size vehicles and still leave some extra space for storage. It’s our recommended standard garage size for two cars.
Customize a Two-Car Garage That’s Sized Right for You
If this is your first time purchasing a garage, check out our garage buyer’s guide. From planning to building permits, it walks you through everything you need to know about metal garages.
Once you’re set on your ideal garage, you can use our 3D customizer below to design one with confidence.
