BMW 8 Series (G15) (2018) is 50 mm (1.97 inch) wider than Ford Fusion (2015).
Ford Fusion (2015) is 29 mm (1.14 inch) longer, 137 mm (5.39 inch) higher, 368 kg (811 lbs) lighter and has 33 liters (1.17 ft3) bigger cargo space than BMW 8 Series (G15) (2018).