
KALLAX Shelf unit, white, 30 1/8x30 1/8″
+10⅜″ margin
All items that fit an Aiways U6 2023
No, it won't fit.

Fit Details

BILLY Bookcase, oak effect, 31 1/2x11x79 1/2″
Box: 81¼″ × 11¾″ × 5″ · 87 lb 5 oz
Based on IKEA US (United States).
Package dimensions last checked and updated on Oct 21, 2026
Package
Status
Limiting factor
Best orientation
Package #1
81¼″ × 11¾″ × 5″
Status:21⅝″ short
Limited by
Limiting factor:Cargo length
Best orientation:Diagonal
Vehicle limits

Opening width / height above sill
39⅜″ / 26⅜″
Cargo width / height
40⅛″ / 26¾″
Cargo length seats up / down
39⅜″ / 71¼″
Loading sill height
29½″
Aiways U6 2023
Measurements last checked and updated on Oct 21, 2026
Helpful tips
Use these loading tips to improve your chances of fitting BILLY Bookcase, oak effect, 31 1/2x11x79 1/2″ in Aiways U6 2023.
Use available cargo length
Use seats down if available to gain cargo length.
Load diagonally first
Load diagonally first, then straighten once inside.
Try fitting alternatives
Check the Similar items that fit section for safer alternatives.
Alternatives that fit in Aiways U6 2023
Ranked by fit margin and package-dimension similarity. This improves as we index more items.
About the Aiways U6 2023 boot
Whatever clears the U6's opening has room across the boot floor. The opening is 39⅜″ wide and 26⅜″ high above the loading sill, and the floor beyond it is a touch wider, 40⅛″ at its narrowest. Behind the upright rear seats the floor is 39⅜″ long. Some packs longer than that fit at an angle on their side, and you can fold the seats for more. That adds 31⅞″, for 71¼″. The sill is 29½″ high, with the floor just ⅜″ below it. Before you lift a box, check its two shorter sides against 39⅜″ and 26⅜″.
About the BILLY Bookcase, oak effect, 31 1/2x11x79 1/2″ package
Heavy and long is a hard mix, and the oak effect BILLY box is both: 81¼″ × 11¾″ × 5″, at 87 lb 5 oz. It is narrow, but that is far too much weight over that length for one person. Placed straight, the box spans 81¼″ of boot floor. Plan the lift before you make it: who takes which end, which way you walk, and where the box goes down. With 87 lb 5 oz between you, neither of you should have to change grip halfway.
Frequently asked questions
Find quick answers about fit for BILLY Bookcase, oak effect, 31 1/2x11x79 1/2″ in Aiways U6 2023, including seats up vs seats down, limiting factor, best orientation, and package-by-package margins.
Will BILLY Bookcase, oak effect, 31 1/2x11x79 1/2″ fit in Aiways U6 2023?
No. With seats up, it is short by 21⅝″ at Cargo length, even with diagonal loading.
What is the tightest part?
The limiting factor is Cargo length, with -21⅝″ margin in seats up.
Why does it not fit?
The blocker is Cargo length: with seats up, the box is 21⅝″ bigger than the space there.
Can I load it diagonally?
Yes, diagonal is the best orientation for this check, with -21⅝″ around the limiting point.
How tight is this fit?
This result is in the clear no-fit band (-21⅝″ at Cargo length).
Does it fit with seats up or seats down?
Seats up: No (-21⅝″). Seats down: No (-3″). Default selection follows YES > MAYBE > NO.
What do YES, MAYBE and NO mean here?
YES means there is at least 2⅜″ to spare at the tightest point, in the best way the box can go in. MAYBE means it fits on paper, but with less than 2⅜″ to spare, so trim, the parcel shelf or the loading angle can decide it. NO means the box is bigger than the space at its tightest point, whichever way it goes in. Every margin on this page is that real gap: the car's measurement minus the box's.
What should I do instead?
Use the Helpful tips & alternatives section to choose a smaller item, different orientation, or split-load plan.
Which loading orientation works best?
Diagonal is the best orientation for this result in seats up.
How confident is this result?
Confidence is 95 out of 100 based on available dimensions and margin tightness.