Trunk comparison: Kia Sportage vs Seat Leon

Key Differences (highlighted: >10%)

With the rear seats folded down, the Kia Sportage is 7.9 in (13%) longer than the SEAT Leon. The trunk depth (distance from loading edge → trunk floor) is 9.8 in (2400%) greater in the SEAT Leon compared to the Kia Sportage.

At the narrowest point in the cargo area, the Kia Sportage offers 9.1 in (28%) more width than the SEAT Leon.

Smaller differences: with the front seats upright, the Sportage is +2.8 in (8%) longer, the trunk opening of the Leon is +2.8 in (10%) higher, the loading edge of the Leon is +1.2 in (4%) higher, and the width of the opening is +1.6 in (4%) greater on the Leon — these values are not bolded because they fall below the 10% threshold.

Implications for Practical Use

Due to the greater length with folded seats and significantly wider interior width at the narrowest point, the Kia Sportage is better suited for long or wide items (e.g., furniture panels, partially disassembled bicycles, wide boxes).

The wider narrow point reduces the risk of bulky cargo hitting constrictions during loading.

The SEAT Leon scores with a significantly greater trunk depth: it offers more vertical space inside the cargo well, which increases volume and facilitates secure stacking of taller items.

However, the deeper loading floor is associated with a slightly higher loading edge position above the road and a narrower internal width — this makes lifting heavier items in more difficult and limits loading of very wide objects.

In practice, this means: for users who frequently transport long or wide cargo (e.g., craftsmen, outdoor athletes, families with lots of luggage), the Kia Sportage is often more practical.

For users who primarily need a lot of volume in the form of tall or stacked cargo and less often load extremely wide items, the SEAT Leon can be advantageous due to the deeper cargo well.

Smaller differences like the slightly higher opening height of the Leon or the 2.8 in longer cargo length with upright seats in the Sportage play only a minor role compared to the three highlighted differences.