How Wide For A 2 Car Garage : Required Width For Two Cars

“How wide for a 2 car garage” is a common planning question, with the answer depending on both vehicle sizes and intended use. Getting this measurement right is crucial for a functional space. Too narrow, and you’ll be playing a frustrating game of door-ding chess every day.

This guide will walk you through the standard dimensions, important considerations, and how to tailor the width to your specific needs. We’ll cover everything from minimum clearances to ideal layouts for storage and workspaces.

How Wide For A 2 Car Garage

The standard width for a two-car garage is 20 to 24 feet. This is the measurement you’ll see in most modern suburban home plans. However, this is just a starting point. A 20-foot width is considered the absolute minimum by most builders and designers.

At 20 feet wide, you have just enough space for two average-sized sedans. You’ll be able to open the car doors, but it will be a tight squeeze. There will be little to no room for anything else along the side walls.

For a more comfortable and functional garage, a width of 22 to 24 feet is highly recommended. This extra space makes a dramatic difference in daily use and long-term satisfaction.

Breaking Down The Standard Widths

Let’s look at what these different widths actually mean for your parking experience.

A 20-foot wide garage provides two 9-foot wide parking bays with a 2-foot shared column in the center. This is bare-bones parking. You must consider the actual width of your vehicles. For example, a typical mid-size SUV is about 6.5 feet wide. Parking two of them leaves only about 7 feet of total leftover space, which disappears quickly when doors are open.

A 22-foot wide garage is a significant upgrade. It allows for two 10-foot bays. This gives you roughly an extra 6 to 8 inches of space on each side of the vehicles compared to the 20-foot model. This width is often seen as the new practical minimum for families with larger vehicles.

The 24-foot wide garage is the ideal standard. It provides two 11-foot bays or even two 10-foot bays with a 4-foot buffer in the middle. This width comfortably accommodates full-size trucks and SUVs. It also allows for storage cabinets, shelves, or a workbench along one wall without impeding the parking area. The extra space greatly reduces the risk of accidental damage to your cars and the walls.

Why Vehicle Size Dictates Garage Width

You cannot plan your garage width without knowing the dimensions of what you’ll park inside. The average car width has increased over the decades, making older garage standards often obsolete.

Start by measuring your current vehicles. You need the total width, including mirrors. Don’t forget to account for future purchases—you might drive sedans now but could own SUVs or a truck in five years.

Here is a quick reference for common vehicle widths (including mirrors):

  • Compact Car: 6 to 6.5 feet
  • Mid-Size Sedan: 6.5 to 7 feet
  • Full-Size Sedan: 7 to 7.5 feet
  • Mid-Size SUV: 6.5 to 7.5 feet
  • Full-Size SUV / Truck: 8 to 8.5 feet (or more)

To calculate your needed width, use this simple formula: Width of Vehicle A + Width of Vehicle B + Desired Clearance. The desired clearance is key. You need space between the vehicles and between each vehicle and the side walls.

Recommended Clearance For Easy Access

Clearance is the breathing room that makes a garage usable. Without it, you will constantly be bumping doors into walls or eachother.

  • Between two vehicles: Aim for at least 2 to 3 feet. This lets people get in and out of both cars comfortably.
  • Between a vehicle and the side wall: A minimum of 1.5 feet is needed for a person to squeeze through. For easy access to doors and storage, 2 to 3 feet is much better.
  • Remember to account for the garage door track and any wall protrusions, which can eat into this clearance.

The Role Of Garage Door Width

Your garage width is useless if the door opening is too narrow. The door width must also accommodate your vehicles. A common mistake is focusing only on the interior width while neglecting the entry point.

For a two-car garage, a single 16-foot wide door is the most common. However, two separate 8-foot or 9-foot doors are often a better choice. They provide a central support column that can be helpful for structure and allow the doors to operate independently.

Your door opening should be at least 1 foot wider than the total width of the widest vehicle you plan to park. This gives you steering margin when pulling in and out. For a full-size truck (8.5 ft wide), a 9.5 to 10-foot wide door bay is advisable.

Depth And Ceiling Height Considerations

While width is primary, depth and height are equally important for a fully functional space. A garage that is wide enough but too shallow is just as problematic.

Standard garage depth is 20 to 24 feet. Modern vehicles, especially trucks and SUVs with extended bumpers, often exceed 17 feet in length. A 20-foot deep garage leaves only about 3 feet in front of and behind a parked car. This is minimal space for storage or walking.

  • Aim for a depth of 22 to 24 feet. This allows you to park and still have room for front-wall storage, a workbench, or bicycles.
  • If you want a workshop area in front of your cars, consider a depth of 26 feet or more.

Ceiling height is the third critical dimension. Standard height is 8 feet, but this is insufficient for many modern SUVs, roof racks, or if you plan to install a car lift.

  • A 9-foot ceiling accommodates most SUVs and allows for overhead storage racks.
  • A 10 to 12-foot ceiling is necessary for installing a two-post car lift for maintenance or storing a vehicle on a lift.

Planning For More Than Just Cars

For most homeowners, the garage is a multi-purpose space. It’s a storage area, a workshop, a home gym, or a laundry room. These uses directly impact how wide your two-car garage should be.

Incorporating Storage And Workspaces

If you plan to use the side walls for storage, you must add that width from the beginning. Trying to add cabinets and shelves to a minimally-sized garage will make it feel cramped and unusable for parking.

For shallow storage like wall-mounted cabinets or shelving, add an extra 1 to 1.5 feet to the total garage width. For deeper storage like freestanding tool chests or bulk shelving, you may need to add 2 to 3 feet to the overall width.

A dedicated workbench area typically requires a depth of 2 to 3 feet along the wall. If you want this on the side, factor it into your width calculation. Many people prefer to place the workbench at the rear of the garage, which makes depth more important than width.

Accounting For Walkways And Traffic Flow

Think about how people will move in and out of the cars and around the garage. Is there a side entry door? You’ll need a clear walkway to it. Do you store garbage cans or recycling bins inside? They need a designated spot that doesn’t block a car door.

Creating a simple floor plan sketch can be incredibly helpful. Use graph paper and cutouts scaled to your vehicles and storage items. Move them around to visualize the space needed for movement and access. This exercise often reveals the need for extra width that you hadn’t considered.

Navigating Building Codes And HOA Rules

Your ideal garage width might be constrained by local regulations or community covenants. You cannot ignore these requirements.

Understanding Local Building Codes

Most municipal building codes specify minimum dimensions for garages. These are safety and habitability standards. The code might state a minimum interior width of 20 feet for a two-car garage. However, as we’ve discussed, building to the minimum code often results in a less functional space.

Always check with your local building department during the planning phase. They can provide the specific requirements for your area, including any setbacks from property lines that might limit how wide you can build.

Homeowners Association (HOA) Guidelines

If you live in a community with a Homeowners Association, their architectural guidelines are law. HOAs often enforce strict aesthetic rules to maintain uniformity.

  • The HOA may dictate the style and width of garage doors.
  • They might have rules about the exterior appearance that limit how much you can expand the garage’s footprint.
  • Always submit your plans to the HOA architectural review committee for approval before starting construction.

Cost Implications Of Garage Width

Wider garages cost more to build. The increase is not just in materials for the longer walls, but also in the foundation, roof structure, and siding. However, this cost should be weighed against the long-term value and utility.

Adding 2 feet of width during initial construction is relatively inexpensive compared to the overall project cost. Retrofitting or expanding an existing garage later is exponentially more expensive and sometimes structurally impossible.

Think of the extra width as an investment in your home’s functionality and future resale value. A spacious, usable garage is a strong selling point for many buyers, where as a tight, cramped one can be a detractor.

Step-By-Step Guide To Determining Your Ideal Width

Follow these steps to confidently decide on the perfect width for your two-car garage.

  1. List Your Vehicles: Write down the make, model, and year. Find the exact width (including mirrors) for each from the manufacturer’s specifications.
  2. Define Your Priorities: Is pure parking the only goal? Do you need space for a workshop, storage, or other activities? Rank these uses.
  3. Measure For Storage: Decide what items will go on the side walls. Measure the depth of your planned cabinets, shelves, or other storage systems.
  4. Calculate The Minimum: Use the formula: (Width of Car A + 1.5 ft) + (Width of Car B + 1.5 ft) + 2 ft (between cars) = Minimum Interior Width. This is your absolute baseline.
  5. Add Your Buffer: To your minimum width, add the depth of any permanent storage along the walls. Then, consider adding another 1-2 feet as a general comfort buffer. This is your target width.
  6. Check Door Openings: Ensure your planned garage door width(s) are at least 1 foot wider than your widest vehicle.
  7. Consult Professionals: Review your target width with your architect, builder, or contractor. They can advise on structural and cost feasibility.

Common Mistakes To Avoid

Learning from others errors can save you time, money, and frustration.

  • Building to Absolute Minimum: This is the number one regret. It leaves no room for lifestyle changes or larger future vehicles.
  • Ignoring Door Swing: Forgetting how far car doors actually open. Park your current cars 20 feet apart and try to get out to simulate the space.
  • Forgetting About The Steps: Many garages have a step up into the house. This step often protrudes into the parking space, requiring extra width to clear it with your car door.
  • Overlooking Future Needs: You might not have a boat or RV now, but do you plan to store a trailer or small watercraft? Even partial storage requires significant extra width.

Frequently Asked Questions

What Is The Minimum Width For A 2 Car Garage?

The absolute minimum width is 20 feet. This is often cited in building codes, but it provides only basic parking for two average-sized cars with very little extra room. It is not recommended for comfortable daily use or for larger vehicles like SUVs and trucks.

Is A 24 Foot Wide Garage Worth The Extra Cost?

For most homeowners, yes. The additional cost during construction is marginal compared to the significant gain in usability and flexibility. A 24-foot width future-proofs your garage for larger vehicles and provides ample space for storage and work areas along the walls, making it a smart long-term investment.

Can I Fit Two Full-Size Trucks In A Standard Garage?

It is very difficult to fit two modern full-size trucks (like a Ford F-150 or Chevrolet Silverado) in a standard 20-foot wide garage. Their widths, often exceeding 8 feet with mirrors, require a minimum garage width of 22 to 24 feet for adequate clearance. A 24-foot width or even a custom 26-foot width is advisable for dual trucks.

How Wide Should A 2 Car Garage Door Be?

For a single door serving a two-car garage, 16 feet wide is standard. For two separate doors, 8-foot or 9-foot wide doors are common. The door opening should be at least 12 inches wider than the widest vehicle you intend to park to allow for easy maneuvering.

Does Garage Depth Affect The Needed Width?

Depth and width work together. A very shallow garage can feel more cramped width-wise because cars are closer to the front wall, limiting how doors open. Adequate depth (22-24 feet) allows cars to be positioned optimally, which can sometimes make a slightly narrower width more manageable, but it does not replace the need for sufficient width.