BMW 6 Series Gran Coupe (2016) is 680 mm (26.77 inch) longer, 106 mm (4.17 inch) wider and has 51 liters (1.80 ft3) bigger cargo space than Citroen C4 (2020).
Citroen C4 (2020) is 97 mm (3.82 inch) higher and 700 kg (1,543 lbs) lighter than BMW 6 Series Gran Coupe (2016).
