Trunk comparison: Peugeot 208 vs Tesla Model Y

Key Differences (Greater than 10%)
Tesla Model Y has a trunk that is 24.8 in (48%) longer with seats fully folded down. This means significantly more cargo length for very long items.
Tesla Model Y has a trunk that is 17.3 in (66%) longer with the first row of seats upright. Even without fully folding the seats, the Model Y remains significantly more usable for longer cargo.
Peugeot 208 has a trunk depth (loading edge → trunk floor) that is 7.1 in (1700%) greater. The loading surface of the 208 sits significantly lower below the loading edge, resulting in a deeper cargo area.
Tesla Model Y has a trunk opening that is 5.9 in (17%) wider. A wider opening makes loading and unloading wider items easier.
Impact on Usability
Transporting long items: The Tesla Model Y has a clear advantage. The significantly greater cargo length both with folded seats and with the first row upright allows loading very long items (e.g., slats, skis, furniture parts) without or with less seat folding.
Wide cargo and easy loading: The 5.9 in wider opening of the Model Y makes inserting wide packages easier — less maneuvering, fewer restrictions from narrow openings.
Cargo depth: The Peugeot 208 offers a deeper loading surface due to the significantly greater depth. Advantage: smaller items can be safely stored below the loading edge and the cargo center of gravity can be lower.
Disadvantage: heavy or bulky loads must be lifted higher or moved over the loading edge, and the loading surface is less "flat" accessible than in the Model Y.
Negligible differences: The higher opening height of the Peugeot (+2.4 in / 9%), the 0.4 in higher loading edge, and the 0.4 in greater narrowest width are minor and hardly affect everyday usability.
Conclusion
For regularly transporting long or wide items, the Tesla Model Y is clearly better suited (more length, larger opening).
Those who prefer a deeper, "wavy" cargo area — for example, to safely store smaller items below the loading edge or to place cargo lower — will find an advantage in the Peugeot 208. Which solution is more suitable depends on the typical cargo (long/wide vs. deeper/below the loading edge).