Trunk comparison: BMW X3 vs Mazda Mazda CX-60

Key Differences

Regarding trunk dimensions, the differences between the BMW X3 and Mazda CX‑60 are overall in the single-digit percentage range (3–6%). There is no deviation greater than 10%, so no points are particularly highlighted.

Specifically, the BMW X3 has 2 in (≈3%) more loading length with the rear seats folded down, while the Mazda CX‑60 offers 1.2 in (≈3%) more usable cargo space with the first row of seats upright.

The opening height of the BMW is 1.2 in (≈4%) larger, while the Mazda's loading edge is 1.6 in (≈6%) higher above the ground. The usable depth (from loading edge to trunk floor) is identical.

In width, the BMW has 2.4 in (≈6%) more at the narrowest point, and the width of the trunk opening is 1.2 in (≈3%) larger on the BMW.

Impact on Usability

Because all differences are relatively small, the practical usability of both models remains very similar.

The slightly greater loading length of the BMW with folded seats makes it somewhat better suited for long, flat items (e.g., furniture parts or skis), while the Mazda, with its slightly larger cargo area with seats upright, offers minimally more space for groceries or luggage in everyday use.

The higher trunk opening of the BMW marginally facilitates loading tall items, and the greater interior width at the narrowest point as well as the somewhat wider opening support loading bulky or wide cargo.

Conversely, the higher loading edge in the Mazda makes lifting heavy items somewhat more difficult—when frequently transporting heavy loads, this slightly favors the BMW.

In summary: Differences are small and only lead to noticeable advantages with specific requirements.

Those who often load long items or value a lower loading edge and wider opening have a slight advantage with the BMW X3. Those primarily transporting everyday cargo with the rear seats upright will find minimally more usable space in the Mazda CX‑60.