Ferrari FF (2014) is 28 mm (1.10 inch) longer than Mercedes E-Class (2017).
Mercedes E-Class (2017) is 118 mm (4.65 inch) wider, 19 mm (0.75 inch) higher, 57 kg (126 lbs) lighter and has 90 liters (3.18 ft3) bigger cargo space than Ferrari FF (2014).