The BMW i4 features a five-door Gran Coupe design with a standard trunk capacity of 470 liters. Because the BMW i4's tailgate opens with the rear window, the aperture is exceptionally wide for loading bulky items; with rear seats folded, the space expands to 1,290 liters, offering great utility.
BMW i4 採用咗五門大斜背(Gran Coupe)設計,尾箱標準容量為 470 公升。由於 BMW i4 嘅尾門連後擋風玻璃一齊開啟,開口非常寬闊,方便放入大型物件;若摺低後排座椅,空間更可擴展至 1,290 公升,實用性極高。