Boot space is usually measured in liters or cubic feet. To measure the boot space of , the manufacturer will fill the boot with small balls or blocks, and then measure the volume of the space that they occupy. This method provides an accurate measurement of the amount of space that is available in the boot. With it's
length of 4350 mm and
wheelbase of 2670 mm,
the Citroen C4 has a bootspace of 380 l. With rear seats folded, the bootspace from the bottom of the trunk up to the roof of Citroen C4 is 1250 l. With rear seats folded, the bootspace from the bottom of the trunk up to the windows of Citroen C4 is 1250 l. The largest car boot you can find amongst "medium SUV" has VW Tayron 1.5 eTSI OPF (R4 ), which is 505 l more than the C4 Hybrid 100 -
885 l.For illustration, the difference in length between the Citroen and the VW is 442 mm in favor of the VW. On the other hand, the smallest boot space amongst similar cars has the Toyota Highlander 2.5 Hybrid , which is 241 l - that makes it 139 l less than the Citroen in question.Length-wise, the Toyota outperforms the rival by 616 mm.
The difference in Boot space between first generation (1.Generation) from 2004 and last generation (C4 3. Generation (1. Facelift)) from 2025 is 66 l.