BMW 8 Series (G14) (2020) is 304 mm (11.97 inch) longer and 31 mm (1.22 inch) wider than Citroen DS5 (2017).
Citroen DS5 (2017) is 166 mm (6.54 inch) higher, 429 kg (946 lbs) lighter and has 115 liters (4.06 ft3) bigger cargo space than BMW 8 Series (G14) (2020).