Trunk comparison: Audi A3 Sportback vs Mazda Mazda CX-60
Key Differences
The Mazda CX-60 offers a significantly longer cargo space with the seats folded down: +9.4 in (16%) compared to the Audi A3 Sportback. Even with the first row of seats upright, the CX-60's trunk is noticeably longer: +8.3 in (27%).
The width of the trunk opening is also larger on the CX-60: +4.7 in (12%). The depth of the trunk (measured from loading edge → trunk floor) is markedly different: here, the Audi A3 has +6.3 in (1500%) more depth than the CX-60.
Other Differences (no emphasis)
The loading edge height of the Mazda CX-60 is +2.8 in (10%) higher above the ground than that of the Audi A3, while the height of the trunk opening is +0.4 in (1%) larger on the A3. The narrowest width inside the trunk is +2 in (5%) greater on the CX-60.
Impact on Usability
The longer cargo space measurements of the CX-60 (both with folded seats and with the first row upright) make it better suited for long items such as furniture parts, skis, or floorboards—items limited by length.
The wider opening width facilitates loading wider objects and reduces the risk of catching on the opening when maneuvering.
The significantly greater depth in the A3 means the storage space extends further below the loading edge. This can be practical for using volume that is lower but deeper (e.g., boxes, shopping bags, tools) and helps to store cargo deeper and thus more stably.
At the same time, greater depth combined with a narrower opening can make loading bulky or very tall items more difficult because access remains tighter.
The +2.8 in higher loading edge on the CX-60 increases the effort required to lift heavy items into the trunk; for frequent loading and unloading of heavy loads, the lower loading edge area of the A3 is advantageous.
Smaller differences like 0.4 in opening height or 5% narrower interior width are usually negligible for daily usability.
Conclusion: For long and wide cargo, the Mazda CX-60 is the more practical choice due to its greater length and opening width. For deeper, more stably stored luggage volume and easier lifting of heavy loads, the Audi A3 is advantageous because of its greater trunk depth and lower loading edge.