BMW 8 Series (G14) (2018) is 434 mm (17.09 inch) longer and 73 mm (2.87 inch) wider than Ford C-Max (2014).
Ford C-Max (2014) is 284 mm (11.18 inch) higher, 245 kg (540 lbs) lighter and has 82 liters (2.90 ft3) bigger cargo space than BMW 8 Series (G14) (2018).