BMW 8 Series (G15) (2019) is 893 mm (35.16 inch) longer, 187 mm (7.36 inch) wider and has 135 liters (4.77 ft3) bigger cargo space than Citroen DS3 (2017).
Citroen DS3 (2017) is 117 mm (4.61 inch) higher and 679 kg (1,497 lbs) lighter than BMW 8 Series (G15) (2019).