BMW 4 Series (2016) is 106 mm (4.17 inch) longer, 100 mm (3.94 inch) wider, 20 kg (44 lbs) lighter and has 114 liters (4.03 ft3) bigger cargo space than Mercedes C-Class (Coupe) (2014).
Mercedes C-Class (Coupe) (2014) is 47 mm (1.85 inch) higher than BMW 4 Series (2016).