BMW 8 Series (G14) (2018) is 323 mm (12.72 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, 430 kg (948 lbs) lighter and has 125 liters (4.41 ft3) bigger cargo space than BMW 8 Series (G14) (2018).