Trunk comparison: Kia Stonic vs Volvo XC40

Key Differences

When it comes to trunk dimensions, three differences stand out: The Volvo XC40 offers a trunk that is 12.2 in longer (+23%) with the seats folded down and a trunk that is 8.7 in longer (+32%) with the first row of seats upright compared to the Kia Stonic.

Conversely, the Kia Stonic has a significantly greater depth between the loading edge and the trunk floor: +7.1 in or +1700% compared to the Volvo.

Impact on Usability

The longer cargo lengths in the Volvo XC40 (23% and 32%) make it more practical for long or bulky items such as skis, slats, long furniture parts, or extensive luggage, especially when seats are folded down or the rear bench remains upright.

Those who frequently transport longer items or need to utilize cargo space lengthwise have a clear advantage with the XC40.

The significantly greater depth of the Kia Stonic (the figure +7.1 in / +1700%) means that the cargo floor lies deeper below the loading edge. This provides more usable depth/height in the cargo area and helps to securely recess and stack items (e.g., tall boxes) without them protruding above.

At the same time, a deeper cargo floor can make loading and unloading flat, bulky items somewhat less convenient, depending on the combination with the loading edge height.

Smaller differences, which do not exceed 10%, have little practical impact: The Kia trunk opening is about 2.4 in higher, the Stonic's loading edge is approximately 0.8 in higher above the road, the narrowest width is 1.6 in greater in the Stonic, and the opening width is 2.8 in wider in the Volvo.

These points can make loading easier in individual cases (e.g., higher opening = easier to slide through tall items; wider opening = easier for wide cargo), but are secondary compared to the main differences mentioned above.