Trunk comparison: BMW X1 vs Citroen C3

Key Differences

The BMW X1 offers significantly more cargo length: with the rear seat folded down, the X1 is 11 in (21%) longer and with the rear seat upright, 9.1 in (34%) longer than the Citroën C3. The width of the trunk opening favors the X1: the opening is 7.5 in (22%) larger, which makes loading wider items easier.

In contrast, the Citroën C3 has a significantly greater trunk depth (loading edge to trunk floor): the C3 has an advantage of 7.9 in (667%) here.

Other measured differences include the height of the trunk opening (+2.8 in / 10% in favor of the C3) and the loading edge height (+2.8 in / 10% in favor of the C3) as well as a slightly larger narrowest width in the X1 (+2 in / 5%), but these values are ≤10% or <10% respectively.

Impact on Usability

The longer cargo areas of the BMW X1 make it better suited for long items (e.g., slats, skis, furniture parts) and for an overall larger usable cargo space, especially when the rear seat is folded down.

The significantly wider trunk opening facilitates maneuvering wider loads in and out and reduces issues when loading/unloading bulky parts.

The Citroën C3 scores with a significantly greater trunk depth (loading edge → floor). This creates more vertical space inside the cargo well and thus better possibilities to accommodate taller or stacked items.

At the same time, the loading edge in the C3 is somewhat higher, which makes lifting heavy loads onto the cargo floor a bit more strenuous. The slightly higher opening height can also make it easier to load very tall items but does not change the shorter cargo length and narrower opening.

Conclusion: For longer and wider loads as well as easier handling of heavy items, the BMW X1 is the more practical choice. For more usable vertical space in the trunk (more depth/floor space), the Citroën C3 is suitable but suffers from shorter cargo length and narrower opening.