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Can I fit a mattress in a Subaru Outback?

In short: yes, you can fit a mattress inside an Outback, especially a twin-size mattress, by folding the rear seats and using the cargo area. Larger mattresses such as full or queen sizes are generally not flat-fit inside, and may require alternative transport methods like roof mounting or disassembly.


This article examines the interior space of the Subaru Outback, what mattress sizes tend to fit, and practical loading tips. It also covers options for larger mattresses and how to verify fit for your specific model year and configuration.


Inside the Outback: space to work with


Understanding the cargo footprint is essential. When the rear seats are folded, the Outback offers a long, flat load floor, but width is constrained by the wheel wells and interior panels. In recent models, you can expect roughly 75 cubic feet of flat load space with the seats down and about 32–36 cubic feet with the seats up. The practical length of the flat cargo surface tends to be around 73–75 inches, while the width between wheel wells is typically in the 40–45 inch range. Always measure your exact vehicle to be sure.


Estimated fit by mattress size


Use these standard mattress dimensions as benchmarks to gauge whether a mattress will lie flat in the cargo area behind the rear seats when they’re folded. Model-year differences can affect exact fit.



  • Twin mattress (about 38 x 75 inches / 96.5 x 190 cm): Fits confidently along the flat load floor with the rear seats folded; length matches the typical Outback’s available flat space, and width is well within the interior clearance.

  • Full mattress (about 54 x 75 inches / 137 x 191 cm): Generally too wide to lie flat across the floor because the interior width is usually less than 54 inches between the wheel wells. Angling or partial folding may be attempted, but this is not ideal and can stress surfaces.

  • Queen mattress (about 60 x 80 inches / 152 x 203 cm): Typically does not fit flat inside the cargo area; alternative transport (roof rack, trailer, or disassembly) is usually required for a queen.


Conclusion: For reliable interior fit, a twin mattress is the most practical option; full or queen sizes generally require alternative arrangements.


Practical loading and protection tips



  • Plan ahead: clear the cargo area, remove loose items, and protect surfaces with moving blankets or a tarp.

  • Fold the rear seats evenly and, if needed, remove headrests to maximize length; slide the front seats forward to gain a bit more room.

  • Roll or fold the mattress to reduce height and ease maneuvering; use a mattress cover or plastic sheeting to protect upholstery from dirt and moisture.

  • Enlist a helper: a second person makes it easier to maneuver a rigid mattress through the hatch and into position.

  • Secure the load: if you drive with the mattress inside, keep it stable to prevent shifting that could affect handling or visibility.


If you must transport larger mattresses, consider roof transport with a suitable carrier, a rental van, or breaking the mattress into smaller components. Always follow local regulations and use proper tie-downs to avoid damage.


How to verify fit for your specific Outback


Because dimensions vary by year and trim, the best approach is to measure your own vehicle’s cargo space and compare to mattress dimensions. Use these steps to confirm fit:



  • Measure interior length from the tailgate to the back of the front seats with the rear seats folded as flat as possible.

  • Measure interior width, specifically the distance between the wheel wells on the floor.

  • Measure the vertical clearance and any obstructions that could affect placement once the hatch closes.


With these measurements, you’ll know whether a twin or full mattress can lie flat and whether alternative transport is needed for larger sizes.


Summary


For most Subaru Outback models, a twin-size mattress fits inside the cargo area with the rear seats folded, making it a practical option for trips or moves. Full and especially queen mattresses generally do not fit flat inside due to width and length constraints; roof transport or breaking the mattress into pieces are common alternatives. Always verify with measurements for your exact model year and configuration to avoid surprises.

What can fit in a Subaru Outback?


Moving Stuff with the Subaru Outback
You can easily fit a twin mattress which is about 38 inches wide and 75 inches long. You can add the headboard, footboard, and rails along with the mattress. Dining tables, armchairs, bookcases, even two-seater sofas can all fit in the Outback's cargo area with the seats sown.



Can a Subaru Outback fit a twin mattress?


Absolutely will fit! Twin frame, mattress, AND box spring! The mattress will fit but not the frame. If it made it in your car, I hope it made it through the doors of your room.



What year to avoid a Subaru Outback?


The worst years for Subaru Outback include 2010–2014 and 2017–2020 due to major issues like airbag defects, engine failure, CVT transmission problems, electrical faults, and frequent windshield cracks. These model years show high NHTSA complaint rates and known recalls.



Can a queen size mattress fit in a Subaru?


Yes! But to be fair it was a new boxed memory foam mattress. You might be able to fit one in unboxed, if it's flexible enough, but likely not one with springs or a box spring.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.