BMW 8 Series (G16) (2020) is 562 mm (22.13 inch) longer and 104 mm (4.09 inch) wider than Ford Grand C-Max (2015).
Ford Grand C-Max (2015) is 277 mm (10.91 inch) higher, 416 kg (917 lbs) lighter and has 35 liters (1.24 ft3) bigger cargo space than BMW 8 Series (G16) (2020).