Volvo EC40 嘅尾箱標準容量為 404 至 480 公升（視乎測量方式），將後排座椅放平後可擴展至 958 至 1,310 公升。車頭仲有一個 31 公升嘅前行李箱，適合擺放充電線或小型手提行李。
The Volvo EC40 has a standard boot capacity of 404 to 480 litres (depending on measurement method), which expands to 958 to 1,310 litres with the rear seats folded flat. There is also a 31-litre front trunk for storing charging cables or small carry-on bags.
