Trunk comparison: BMW X4 vs Kia Ceed

Summary of the Biggest Differences

The BMW X4 offers a cargo space length that is 7.1 in (12%) longer with the seats folded down and a cargo space length that is 9.1 in (29%) longer with the front seats upright than the Kia Ceed. The Kia Ceed, on the other hand, has a depth between the loading edge and trunk floor that is 1.2 in (38%) greater.

Additionally, the loading edge of the BMW X4 is 5.1 in (20%) higher above the road than that of the Kia Ceed. Smaller differences: the trunk opening of the Ceed is 2 in (7%) higher, and the width differences at the narrowest point and at the opening are only 1.2 in (≈3%) each.

What Are the Practical Implications of These Differences?

The significantly longer cargo space of the BMW X4 makes it more practical in everyday use for long items (e.g., skis, slats, long furniture parts) and for transports with the rear seats folded down. When the rear seats must remain upright, the X4 also offers noticeably more space for longer loads.

The greater depth in the Kia Ceed means that bulky or tall items can be recessed further "into" the trunk — this improves the stowage volume vertically and helps place taller loads more stably.

Combined with the lower loading edge of the Ceed, loading and unloading heavy or bulky items is easier and more ergonomic than in the higher X4.

Although the higher loading edge of the BMW X4 tends to improve ground clearance and can be advantageous for off-road use, it makes lifting heavy items into the trunk more strenuous. Smaller differences in opening and interior widths are usually negligible in practice and hardly affect usability.