Trunk comparison: BMW i4 vs Ford Focus

Key Differences

The BMW i4 offers noticeably more cargo length: with the seats folded down, the trunk is 8.3 in (14%) longer, and with the front seats upright, it is also 8.3 in (27%) longer than the Ford Focus.

In contrast, the Ford Focus has clear advantages in other dimensions: the height of the trunk opening is 5.1 in (19%) larger, the depth from the loading edge step to the trunk floor is 3.1 in (80%) greater, and the width at the narrowest point is 5.1 in (15%) wider than in the BMW i4. Smaller differences—such as the BMW's loading edge being 0.4 in higher or the Focus's opening being 2.4 in wider—are not emphasized here as they are under 10%.

Impact on Usability

The longer loading surface of the BMW i4 makes it better suited for long items: skis, slats, long boxes, or furniture parts fit more easily inside, even when the rear seats are in use. Those who regularly transport long, slender cargo benefit from the i4.

The Ford Focus, on the other hand, is better suited for bulky, cumbersome, or tall items.

The greater height of the opening facilitates lifting tall boxes or furniture pieces inside; the significantly greater depth from the loading edge step to the floor means more vertical space behind the loading edge (which can affect lifting over the edge when loading heavy items).

The greater width at the narrowest point makes storing multiple suitcases or wider cargo easier.

For everyday users, this means: Those who often transport long, slender cargo or regularly need trunk space in length are better served by the BMW i4. Those who more frequently load bulky, wide, or tall goods or value easier lifting and more usable cross-sectional area will find the Ford Focus the more practical solution.