Ferrari FF (2017) is 27 mm (1.06 inch) longer and 126 mm (4.96 inch) wider than Mercedes E-Class (Estate) (2014).
Mercedes E-Class (Estate) (2014) is 113 mm (4.45 inch) higher, 9 kg (20 lbs) lighter and has 220 liters (7.77 ft3) bigger cargo space than Ferrari FF (2017).