Trunk comparison: BMW X1 vs Volvo XC40

Key Differences
Among the given dimensions, one difference stands out clearly: the depth of the trunk (loading edge → trunk floor) of the BMW X1 is 1.2 in or 200% deeper than that of the Volvo XC40. All other differences are in the range of 1–6% (trunk length, opening height, loading edge height, opening width) and are therefore minor.
Impact on Usability
The significantly greater trunk depth of the BMW X1 practically means more vertical space inside the cargo area: the floor sits lower below the loading edge, allowing bulky or tall items to be better and deeper accommodated in the vehicle.
This makes stacking boxes easier and creates more usable interior height without the items protruding over the loading edge.
Although the loading edge of the Volvo XC40 is slightly higher above the road (+1.6 in), this 6% difference compared to the X1 is moderate — in practice, this means somewhat more lifting or carrying effort when loading heavy items for the Volvo, while the BMW’s lower loading edge makes loading cargo more ergonomic.
Other small differences (trunk length with folded seats +2% in favor of the Volvo, opening width of the BMW +1%) hardly affect everyday usability.
Conclusion: Those who frequently transport tall or bulky items and appreciate easier loading have a practical advantage with the significantly greater trunk depth of the BMW X1; for purely volumetrically similar loads or occasional transports, the two models are very similar in practice.