BMW 8 Series (G14) (2018) is 105 kg (231 lbs) lighter than Ford Flex (2020).
Ford Flex (2020) is 282 mm (11.10 inch) longer, 354 mm (13.94 inch) wider, 387 mm (15.24 inch) higher and has 873 liters (30.83 ft3) bigger cargo space than BMW 8 Series (G14) (2018).