Trunk comparison: Audi Q5 vs VW Tiguan

Main Differences
The measurements show only a few major deviations between the Audi Q5 and VW Tiguan. The most notable is the depth of the trunk (loading edge to trunk floor): the Audi Q5 is clearly ahead here with +2.8 in, which corresponds to an increase of 700 %.
All other differences are moderate: the Tiguan has a 2.4 in (4%) longer cargo area with the seats folded down, while the Audi is 2.8 in (8%) longer with the first row of seats upright.
The trunk opening of the Q5 is 2 in (7%) higher, the opening width 1.6 in (4%) larger, and the narrowest width inside is 0.8 in (2%) larger. The loading edge height of both models is identical.
Impact on Usability
The much greater depth measurement of the Audi Q5 practically means more space below the loading edge: this makes it easier to store bulky or tall items that can be slid into a deeper trunk and increases the usable volume especially with irregularly shaped cargo.
However, a significantly deeper loading floor can also require a bit more lifting or bending when loading.
The slightly higher trunk opening and the marginally larger opening width of the Q5 improve the loading of wider items compared to the Tiguan, even though the differences are small. The identical loading edge height of both vehicles ensures that handling when lifting heavy loads remains comparable.
The Tiguan offers a slightly longer cargo area with the seats fully folded down, which can provide a small advantage when transporting very long, flat items (e.g., slats, panels); however, the difference is small at 4%.
With the first row of seats upright, the Q5 has a small length advantage (8%), which can be relevant for transport tasks with partially folded seats.
Conclusion: For users who frequently transport bulky or tall goods and want to benefit from the additional volume, the Audi Q5 is more practical due to the significantly greater trunk depth measurement.
For users who occasionally transport very long flat items, the Tiguan offers only a minimal advantage with fully folded seats.