BMW 4 Series Gran Coupe (2018) is 309 mm (12.17 inch) longer, 37 mm (1.46 inch) wider and has 73 liters (2.58 ft3) bigger cargo space than Citroen C4 (2014).
Citroen C4 (2014) is 100 mm (3.94 inch) higher and 532 kg (1,173 lbs) lighter than BMW 4 Series Gran Coupe (2018).
