Trunk comparison: Opel Corsa vs Seat Leon

Key Differences
The SEAT Leon offers a longer cargo area: When all seats are folded down, the trunk of the Leon is 6.7 in (13%) longer than that of the Opel Corsa, and with the first row of seats upright, it is even 6.7 in (26%) longer. The depth of the trunk (loading edge to trunk floor) is 2.8 in (39%) greater in the Leon, and the width of the trunk opening is 9.1 in (27%) more generous in the Leon than in the Corsa.
In contrast, the width of the trunk at its narrowest point is 5.9 in (19%) larger in the Opel Corsa than in the Leon.
Impact on Usability
The longer cargo area of the Leon (13% or 26% increase) makes it significantly more practical for long items such as slats, skis, or long furniture parts and increases the usable cargo space with folded seats as well as with the rear bench upright.
The significantly greater depth (39%) also allows for higher or bulkier loading behind the loading edge — more storage space for suitcases, bags, or stackable goods.
The wider trunk opening of the Leon (+27%) facilitates loading wide or bulky items because larger parts fit more easily through the opening.
However, the greater interior width at the narrowest point in the Corsa (+19%) can mean that especially bulky items that must pass through a narrow interior spot may fit better in the Corsa.
Practically, this means: The Leon is more advantageous in everyday use when loading long and wide items; the Corsa can have an advantage with objects that have specific narrow points inside.
Other smaller differences: The trunk opening of the Leon is 2.8 in (10%) higher, which can make loading tall items somewhat easier (not >10%). However, the loading edge of the Leon is 2 in (7%) higher above the ground, so heavy lifting is somewhat more demanding than in the Corsa.
Conclusion: For frequent transport of long, deep, or wide items, the SEAT Leon is the more practical choice. The Opel Corsa scores with usable interior width at the narrowest point and a lower loading edge for easier lifting.