Trunk comparison: Kia Stonic vs Volvo V90

Trunk Length

The Volvo V90 offers significantly more cargo length: with the seats folded down, the trunk of the V90 is 22.4 in (42%) longer, and with the front seats upright, even 17.7 in (65%) longer than the Kia Stonic.

This means in practice: the V90 accommodates long items (e.g., slats, skis, furniture parts) and more luggage better without complicated rearranging. The Stonic is clearly limited with long loads and more often requires folding seats, external carrier systems, or compromises in cargo arrangement.

Opening Height, Depth, and Loading Edge

The height of the trunk opening is 3.5 in (13%) greater on the Kia Stonic than on the Volvo V90, which makes loading tall items easier at the entry.

At the same time, the Stonic has a significantly greater depth between the loading edge and trunk floor: 7.1 in (1700%) more than the V90. The loading edge of the Stonic is also 6.3 in (26%) higher above the road.

Practical effect: The higher opening height and deeper cargo floor in the Stonic allow better vertical use of volume and storing items below the loading edge. The significantly higher loading edge makes lifting heavy items into the cargo space more strenuous.

Overall, the Stonic offers advantages in vertical storage and securing cargo in the deep trunk but is less comfortable for lifting heavy goods compared to a lower loading lip.

Width

The narrowest interior width is the same in both models; however, the width of the trunk opening is 5.9 in (15%) larger on the Volvo V90 than on the Kia Stonic. This makes loading bulky, wide items easier in the V90 despite the same narrowest interior point.

Conclusion — Which Use Fits Which Model?

If you frequently transport long or wide cargo (skis, long packages, furniture parts), the Volvo V90 is the more suitable choice due to its significantly greater length and wider opening.

For everyday use with many smaller or taller stacked items, the Kia Stonic offers advantages through the higher opening height and deeper cargo floor, although the higher loading edge makes lifting heavy loads more difficult.