Trunk comparison: Opel Corsa vs Renault Austral

Key Differences
The Renault Austral offers significantly more loading length than the Opel Corsa: with the seats folded down, the trunk of the Austral is 11 in (21%) longer, and with the first row of seats upright, even 7.9 in (30%) longer.
The width of the trunk opening is 10.2 in (30%) larger on the Austral, while the narrowest point inside the trunk is only 1.2 in (3%) wider — thus negligible.
The height of the trunk opening is the same for both models. It is also notable that the depth of the trunk (loading edge → trunk floor) is 3.9 in (125%) greater in the Opel Corsa, whereas the loading edge of the Renault Austral is 3.1 in (11%) higher above the ground.
Impact on Usability
The longer interior dimensions and significantly wider opening of the Renault Austral make it more practical for long and wide items (e.g., furniture parts, long packages, sports equipment).
The larger opening facilitates loading and unloading bulky items. A disadvantage is the higher loading edge of the Austral (+3.1 in), which requires lifting heavier loads somewhat higher.
The Opel Corsa scores with a deeper cargo well (loading edge → floor +3.9 in). This means items lie deeper in the vehicle, making them less visible and more stable, while reaching the trunk floor can be a bit more cumbersome.
Since the Corsa's loading edge is lower than the Austral's, lifting over the edge is overall less high, which can be advantageous when frequently loading heavy loads.
In short: For longer and wider cargo as well as easier handling of bulky items, the Renault Austral is the better choice. For easier lifting over the loading edge and a deeper, more protected cargo well, the Opel Corsa can be more practical.