For most detached two-car garages, start by comparing everything to 24×24
A garage size chart can help you compare common dimensions, but the next decision is whether the size is practical enough to build from. For many homeowners and builders, a 24×24 detached garage is a strong starting point because it provides two-car parking, clearer door movement, and more usable space than a tight 20×20 layout.
Easy Garage Plans currently offers a 24×24 detached two-car garage plan package in Builder and Pro versions. Use this page to compare sizes, then move to the available plan set if 24×24 fits your lot, budget, and local requirements. The plan package is sold as a digital download through Gumroad and remains a standard plan set, not a custom design service.
Best practical size for a two-car detached garage
A 24×24 garage is a strong practical minimum for many two-car detached garage projects. A 20×20 garage may work, but it is tighter. A 24×30 garage gives better storage and workspace if your lot and budget allow for more depth.
| Size | Best For | Buyer Note |
|---|---|---|
| 20×20 | Tight 2-car layout | Limited storage and tighter door swing |
| 24×24 | Practical 2-car starting point | Current available plan package |
| 24×30 | Better storage or workbench space | Future plan interest / deeper layout option |
Do not stop at the chart
The chart should help you move from size research to an actual plan decision. If 24×24 looks right, the next step is choosing the Builder Set or Pro Set, then confirming local zoning, setbacks, code, and permit requirements before building.
Common garage dimensions at a glance
| Garage Type | Typical Width | Typical Depth | Common Use | Notes |
|---|---|---|---|---|
| 1-Car | 12–16 ft | 20–24 ft | Single vehicle | Tightest common fit |
| 2-Car Minimum | 20–22 ft | 20–22 ft | Two vehicles | Works, but can feel tight |
| 2-Car Standard | 24 ft | 24 ft | Two vehicles + basic storage | One of the most practical all-around sizes |
| 2-Car Extended | 24 ft | 30 ft | Two vehicles + storage or bench | Adds flexibility without major width increase |
| 3-Car | 30–36 ft | 22–30 ft | Three vehicles or mixed use | Best for larger lots and expanded storage |
Most buyers comparing a practical two-car footprint start with 20×20, 24×24, and 24×30. If 24×24 feels like the right balance, move to the available 24×24 garage plan package. If you need more depth for storage or workspace, use the 24×30 interest page to signal demand for that future size.
What exterior dimensions do not show
Exterior dimensions tell only part of the story. Interior usability depends on wall thickness, door placement, vehicle width, shelving, walking space, and whether you need room to move around both vehicles.
A garage can technically fit two cars and still feel frustrating if it does not leave enough daily-use space.
Decide whether the garage is only for parking
If the garage is only for two vehicles, 24×24 is often a practical target. If you want lawn equipment, a freezer, bikes, tools, or a workbench in front of the vehicles, 24×30 or larger may be more comfortable.
Looking for a proven 24×24 layout?
If this chart confirms that 24×24 is the right fit, the available Builder and Pro detached garage plan packages are the cleanest next step. The design uses a practical two-car layout with a 6:12 gable roof, 9-foot walls, a 16-foot overhead door, and a 36-inch service door.
This is a standard digital plan package sold as shown. Customization, site-specific engineering, permit submission, and construction supervision are not included, and local approval requirements can vary.
Builder Set — $599
For experienced builders and buyers who need the basic plan package.
Pro Set — $849
Recommended for homeowners who want the more complete package for permit review, pricing, and coordination.