Trunk comparison: BMW X4 vs Kia Sportage

Key Differences

The BMW X4 offers a cargo area that is 4.7 in (≈13%) longer with the first row of seats upright compared to the Kia Sportage. Additionally, the trunk depth (loading edge to trunk floor) is 3.1 in (700%) greater in the BMW.

What are the usability implications?

The longer cargo area of the BMW X4 means that longer items (e.g., skis, long packages, or slats) can be transported more easily without folding down the seats.

The significantly greater trunk depth provides more usable volume below the loading edge, allowing bulky or tall items to sit deeper and more securely, and more luggage can be stacked.

However, there are several practical disadvantages: The loading edge of the BMW is 2.8 in (10%) higher above the road, making it more strenuous to lift heavy loads into the vehicle.

The Kia Sportage also has a slightly higher opening (+1.2 in) and larger widths (at the narrowest point +1.6 in, opening width +0.8 in), making it easier for wide or bulky items to fit through the opening and simplifying loading and unloading overall.

Conclusion: For longer or bulky loads and more usable interior volume, the BMW X4 is advantageous. For loading wide, bulky items and easier handling during everyday loading and unloading, the Kia Sportage is more practical.