BMW 8 Series (G14) (2019) is 893 mm (35.16 inch) longer, 187 mm (7.36 inch) wider and has 65 liters (2.30 ft3) bigger cargo space than Citroen DS3 (2017).
Citroen DS3 (2017) is 119 mm (4.69 inch) higher and 778 kg (1,715 lbs) lighter than BMW 8 Series (G14) (2019).