Trunk comparison: BMW 5 Series Touring vs Hyundai Elantra GT Wagon

Summary and Key Differences
No measured difference exceeds 10%, so there are no feature-specific top values according to the required threshold. However, several smaller but noticeable advantages of the BMW are practically relevant: with the seats folded down, the BMW is 4.7 in (7%) longer, and with the first row of seats upright, it is 1.6 in (4%) longer. The trunk opening is 1.2 in (4%) higher on the BMW, the narrowest trunk width is larger by 2 in (5%), and the width of the opening is 3.1 in (8%) wider. The depth of the trunk is the same, but the loading edge of the BMW is 1.6 in (6%) higher above the ground.
Usability Differences
- Longer loading surface with folded seats (+4.7 in): Allows the transport of significantly longer items (e.g., furniture parts, long boards). This advantage is especially noticeable when long cargo needs to be regularly accommodated. - More length with the first row upright (+1.6 in): A smaller but useful reserve for elongated items with full passenger load (e.g., skis, rolled-up carpets). - Larger opening (width +3.1 in, narrowest point +2 in): Makes it easier to load wide or bulky objects; less maneuvering when loading large boxes or furniture. - Higher trunk opening (+1.2 in): Better for tall boxes or unevenly stacked cargo; reduces the risk of scraping on the upper edge. - Higher loading edge (+1.6 in): Increases the effort needed to lift heavy items into the vehicle; for frequent loading of heavy goods, this is a disadvantage compared to the i30. - Same trunk depth: Floor depth is relatively identical; the extended interior space mainly results from different seat layouts/interior design, not from a deeper loading floor.
Conclusion
Overall, the BMW offers better options for longer and wider cargo thanks to more interior length and a wider opening, making it better suited for bulky or long transports. The slightly higher loading edge makes lifting heavy loads more strenuous. Those who frequently transport wide or long items benefit from the BMW; those who often load heavy single items close to the ground have slight advantages with the i30 when loading.