Trunk comparison: BMW X4 vs Durchschnitt Subcompact

Key Differences

The BMW X4 offers significantly more usable loading length: with the seats folded down, the trunk is +17.3 in (+34%) longer, and with the first row upright, even +15.4 in (+62%) longer compared to the average subcompact.

Additionally, the width of the trunk opening on the X4 is +4.7 in (+13%) larger. Minor advantages of the X4 include a slightly greater width at the narrowest point (+2%) and a somewhat higher load lip (+2.4 in / 8%), though these are below the 10% threshold.

The average subcompact scores points for vertical accessibility: the height of the trunk opening is +4.3 in (+16%) larger, and the depth of the trunk (distance from load lip to trunk floor) is +4.3 in (+138%) higher than on the X4.

Impact on Usability

The significantly greater loading length of the BMW X4 makes it more practical for long items like furniture, slatted frames, skis, or long building materials – even with the first row upright, there is more space.

The wider trunk opening facilitates loading wider items and reduces maneuvering effort when loading bulky cargo.

The advantages of the subcompact in opening height and depth affect loading tall or stackable cargo: an opening that is +4.3 in higher and a deeper loading area increase the usable interior height near the opening, making it easier to stand tall items upright and stack suitcases/boxes.

Additionally, the lower load lip of the subcompact (compared to the X4’s 2.4 in higher load lip) means less effort is required in practice when lifting heavy loads into the trunk.

Conclusion: If you regularly transport long or wide items, the BMW X4 offers clear advantages. For frequent loading of tall, stackable, or heavy items, the average subcompact is more practical due to the higher opening, greater depth, and lower load lip.