BMW 6 Series Gran Turismo (2018) is 570 mm (22.44 inch) longer, 74 mm (2.91 inch) wider and has 134 liters (4.73 ft3) bigger cargo space than Ford Grand C-Max (2015).
Ford Grand C-Max (2015) is 145 mm (5.71 inch) higher and 302 kg (666 lbs) lighter than BMW 6 Series Gran Turismo (2018).