BMW 8 Series (G14) (2020) is 314 mm (12.36 inch) longer and 74 mm (2.91 inch) wider than Ford Grand C-Max (2014).
Ford Grand C-Max (2014) is 345 mm (13.58 inch) higher, 440 kg (970 lbs) lighter and has 125 liters (4.41 ft3) bigger cargo space than BMW 8 Series (G14) (2020).