Trunk comparison: BMW iX1 vs Opel Astra Wagon

Key Differences
When comparing the trunk dimensions, two clearly relevant differences stand out: The Opel Astra Wagon offers 6.7 in (19%) more cargo length with the front seats upright than the BMW iX1. At the same time, the loading edge of the BMW iX1 is 5.1 in (22%) higher above the ground than that of the Astra.
Impact on Usability
The Astra's 19% longer cargo length with the front seats up makes it significantly more practical for long items (e.g., slats, skis, long boxes) or for use with strollers and similar bulky objects without having to fold down the rear seats.
In everyday use, this means more usable cargo space with full seating occupancy.
The BMW iX1's 22% higher loading edge increases the effort required to lift heavy items into the trunk and makes loading bulky, heavy goods less comfortable. A lower loading edge height in the Astra facilitates loading containers, crates, and strollers and reduces strain when loading and unloading.
Other, smaller differences: The Astra's trunk opening is about 2.4 in (8%) higher than the BMW's, which slightly simplifies placing tall items inside; the narrowest interior width is 9% larger in the Astra (easier maneuvering of bulky cargo).
On the other hand, the opening width is 4% larger in the BMW, which can make positioning wide items at the rear easier. Depth (loading edge to ground) is the same.
Brief conclusion: Those who frequently transport long items in everyday life or prefer a lower loading edge benefit from the Opel Astra Wagon.
The BMW iX1 offers a slightly larger opening width but loses everyday practicality for bulky/heavy cargo due to the higher loading edge and shorter usable length with occupied seats.