Trunk comparison: Audi A6 Avant vs Citroen C3

Key Differences

The Audi A6 Avant offers significantly more cargo length with the seats folded down: +23.6 in (≈+44%) compared to the Citroën C3. Even with the first row of seats upright, the A6 is noticeably longer in the trunk: +19.7 in (≈+75%).

The trunk opening of the A6 is also wider: +6.3 in (≈+18%), while the narrowest width in the A6 is only slightly larger (+1.6 in / 4%).

The Citroën C3 has the deeper loading area behind the loading edge: the depth from the loading edge to the trunk floor is +8.3 in (≈+1050%) greater than in the A6. The loading edge of the C3 is higher above the road: +5.5 in (≈+22%), and the opening height is slightly higher in the C3 (+2.4 in / 8%).

Impact on Usability

Due to the significantly greater cargo length and wider opening, the Audi A6 Avant is better suited for long or bulky items (e.g., slats, furniture parts, longer luggage) and for situations where wide cargo simply needs to fit through the opening.

The greater width at the opening makes loading wide boxes or suitcases easier.

The Citroën C3 scores with a significantly greater depth behind the loading edge. This means more space immediately behind the loading edge for tall or stacked cargo and for items that cannot be laid along the vehicle length.

However, the higher loading edge makes lifting heavy loads into the vehicle more difficult; this is a noticeable disadvantage when frequently loading heavy items.

In short: For transports that require length and width (e.g., longer furniture, wide boxes), the Audi A6 Avant is the more practical choice.

For predominantly vertically stacked or bulky but not very long cargo, the Citroën C3 can be advantageous with its greater depth — at the cost of higher effort when loading due to the higher loading edge.