Trunk comparison: Audi A6 Avant vs Skoda Fabia

Key Differences
The Audi A6 Avant offers a cargo length that is 21.7 in (39%) longer with the seats folded down and a length that is 16.9 in (58%) greater with the rear seats upright than the Škoda Fabia.
In contrast, the Škoda Fabia has a trunk opening that is 3.5 in (12%) higher and especially a depth between the loading edge and trunk floor that is 6.7 in (850%) greater than the Audi.
Impact on Usability
The significantly greater loading length in the A6 Avant makes it easier to transport long items (e.g., slats, skis, long boxes, or furniture parts)—both with fully folded seats and with the rear seats left upright. The additional length volume also improves flexibility for bulky, flat, or elongated cargo.
The Škoda Fabia scores with the higher trunk opening and especially the much greater depth from the loading edge to the trunk floor.
This creates more vertical space and a deeper cargo well, which facilitates storing tall or bulky items and allows for more stacking height. However, the greater depth combined with a slightly higher loading edge can make lifting heavy loads somewhat more strenuous.
Smaller differences (under 10%)—such as the 2.8 in wider narrowest width and the 1.6 in wider opening in the Audi, as well as the 1.6 in higher loading edge in the Fabia—are present but only marginally affect practical usability: they slightly ease loading wider items (Audi) or slightly increase lifting effort (Fabia).
Conclusion: Those who frequently transport long or flat items clearly benefit from the Audi A6 Avant. Those who need more vertical capacity and a higher opening for tall, bulky cargo are better served by the Škoda Fabia.