
KALLAX Shelf unit, white, 30 1/8x30 1/8 "
+12⅜″ margin
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 Aug 06, 2026
Package
Status
Limiting factor
Best orientation
Package #1
81¼″ × 11¾″ × 5″
Status:19¾″ short
Limited by
Limiting factor:Opening width
Best orientation:Diagonal
Vehicle limits

Opening width / height
40½″ / 30¾″
Cargo width / height
39⅜″ / 34⅝″
Cargo length seats up / down
42⅞″ / 73¼″
Loading sill height
25¼″
Skoda Octavia Combi 2025
Measurements last checked and updated on Aug 10, 2026
Helpful tips
Use these loading tips to improve your chances of fitting BILLY Bookcase, oak effect, 31 1/2x11x79 1/2 " in Skoda Octavia Combi 2025.
Optimize opening width
Keep the narrow edge leading while entering the opening.
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 Skoda Octavia Combi 2025
Ranked by fit margin and package-dimension similarity. This improves as we index more items.
About the Skoda Octavia Combi 2025 boot
A wagon body means one thing here: length. The opening measures 40½″ wide by 30¾″ tall, the load floor runs 42⅞″ with the seats up, and folding the bench takes it to 73¼″, a gain of 30⅜″. Between the wheel arches you still get 39⅜″ of width, so long flat boxes lie flat on the floor instead of angling across it. The catch is the 30¾″ opening height: tall cartons go in on their side or not at all. The lip sits 25¼″ off the ground with a 3⅞″ step down to the floor, so slide heavy boxes across the sill instead of lifting them over it, and load the longest box first.
About the BILLY Bookcase, oak effect, 31 1/2x11x79 1/2 " package
The BILLY bookcase ships as one long, flat, heavy box: 81¼″ × 11¾″ × 5″ and 87 lb 5 oz. The length is the challenge, not the bulk. That long panel needs floor space most boots only find with the rear seats down. The flat-pack board is rigid, so it will not bend around a wheel arch or curl into a short boot. An estate, a hatchback with the seats folded, or an SUV handles it best. Slide it in long-edge first, low and flat, and protect the corners, because at this weight a dropped end can split the board.
Frequently asked questions
Find quick answers about fit for BILLY Bookcase, oak effect, 31 1/2x11x79 1/2 " in Skoda Octavia Combi 2025, 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 Skoda Octavia Combi 2025?
No. With seats up, it is short by 19¾″ at Opening width, even with diagonal loading.
What is the tightest part?
The limiting factor is Opening width, with -19¾″ margin in seats up.
What should I do instead?
Use the Helpful tips & alternatives section to choose a smaller item, different orientation, or split-load plan.
Is the trunk opening the issue?
Yes. The tightest constraint is at the opening (Opening width) with -19¾″ margin.
How tight is this fit?
This result is in the clear no-fit band (-19¾″ at Opening width).
Does it fit with seats up or seats down?
Seats up: No (-19¾″). Seats down: No (-1⅜″). Default selection follows YES > MAYBE > NO.
Why does it not fit?
The blocker is Opening width. The worst margin is -19¾″ in seats up, so clearance is below the required buffer.
Can I load it diagonally?
Yes, diagonal is the best orientation for this check, with -19¾″ around the limiting point.
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.