How long is the cargo space in a 4Runner with seats down?
The standard two-row 4Runner gives you 47.2 cubic feet of space behind the rear seats and 89.7 cubic feet with the rear seats folded down. Three-row models provide 9 cubic feet of cargo space behind the third row, 46.3 cubic feet with the third row folded, and 88.8 cubic feet with the second and third rows folded.
2020 Toyota 4Runner Cargo Space
The 2020 Toyota 4Runner has 89.7 ft3 or 88.8 ft3 of cargo space from the front row seats to the back of the vehicle depending on trim level.
That begs the question, could you sleep in the back of your 4runner if you need to? Most average-sized males (around 5'9″) can comfortably sleep in the back of a 4th or 5th generation 4runner with the rear seats folded down. It's also wide enough to accommodate a partner that's the same or smaller in size.
In the standard model, featuring two rows of seats, you'll have 47.2 cubic feet of cargo room behind the second row. This gives you plenty of space for backpacks and sports equipment. When you fold down the second-row seats, you can utilize a cargo volume of 89.7 cubic feet.
Cargo King
For those of you who are constantly camping or having to move around large equipment, you'll have ample space to do so in the Toyota 4Runner. The 40/20/40 fold-flat second-row seats give you up to 88.8 cubic feet of cargo that you can access by folding down one or all three of the seats.
The standard two-row 4Runner gives you 47.2 cubic feet of space behind the rear seats and 89.7 cubic feet with the rear seats folded down. Three-row models provide 9 cubic feet of cargo space behind the third row, 46.3 cubic feet with the third row folded, and 88.8 cubic feet with the second and third rows folded.
In three-row 4Runner models, you gain 9.0 cubic feet behind the back, 46.3 cubic feet behind the second and a total of 88.8 cubic feet with both back seats folded down.
Yes, the standard twin mattress is around 74 inches long by 38 inches wide. This makes it a perfect fit for sleeping in the back of your 4Runner.
Sleeping In Your 4runner Without A Platform? - YouTube
The 4-wheel drive off-road runner describes what this SUV is perfectly well. The 4Runner Toyota SUV name is easily one of the most recognizable in the market. And now we know definitively that 4Runner stands for 4-wheel drive off-road runner.
Can a twin mattress fit in a 4Runner?
Yes, the standard twin mattress is around 74 inches long by 38 inches wide. This makes it a perfect fit for sleeping in the back of your 4Runner.
The 2020 Toyota 4Runner is between 15.8 feet (4.83 meters) and 15.9 feet (4.86 meters) long, depending on the trim and model year.

RAV4 Cargo Dimensions
With the RAV4, you'll have plenty of room for anything you may want to bring with you, as you can see below: Trunk volume: 37.6 cubic feet. Cargo volume: 69.8 cubic feet. Cargo length (behind rear seat): 40 inches.