BMW 4 Series (2020) is 248 mm (9.76 inch) longer and 24 mm (0.94 inch) wider than Ford Grand C-Max (2018).
Ford Grand C-Max (2018) is 301 mm (11.85 inch) higher, 107 kg (236 lbs) lighter and has 35 liters (1.24 ft3) bigger cargo space than BMW 4 Series (2020).