BMW 5 Series Gran Turismo (2016) is 675 mm (26.57 inch) longer, 112 mm (4.41 inch) wider, 70 mm (2.76 inch) higher and has 92 liters (3.25 ft3) bigger cargo space than Citroen C4 (2014).
Citroen C4 (2014) is 635 kg (1,400 lbs) lighter than BMW 5 Series Gran Turismo (2016).