Trunk comparison: BMW X4 vs Jeep Renegade

Key Differences
The BMW X4 offers significantly more length in the cargo area: with the seats folded down, it is 7.5 in (12%) longer, and with the first row of seats upright, even 9.8 in (32%) longer than the Jeep Renegade.
The Renegade, on the other hand, has advantages in vertical dimensions: the trunk opening is 7.5 in (27%) higher and the depth from the loading edge to the trunk floor is 2.4 in (75%) greater than in the BMW X4. Other dimensions such as loading edge height (+1.2 in, 4%) and width differences (+4–2 in, 4–5%) are minor and thus practically negligible.
Impact on Usability
The larger length dimensions of the BMW X4 make it more practical for long or elongated cargo (e.g., skis, long furniture parts, construction panels). Especially when the seats must remain upright, the X4 offers noticeably more usable depth.
The Renegade scores points with bulky, tall, or voluminous items: the significantly higher opening and greater depth to the floor create more vertical space, so tall boxes, suitcases, or equipment fit more easily.
Additionally, the slightly lower loading edge of the Renegade makes lifting heavy loads into the trunk easier; the X4 requires slightly more effort when loading.
Width-wise, both vehicles are comparable; there is no clear advantage for wide items.
In short: those who need elongated cargo or maximum interior length are better served by the BMW X4. Those who frequently transport tall, bulky, or hard-to-lift items and prioritize ergonomic loading benefit more from the Jeep Renegade.