BMW 3 Series Touring (2016) is 304 mm (11.97 inch) longer, 22 mm (0.87 inch) wider and has 87 liters (3.07 ft3) bigger cargo space than Citroen C4 (2017).
Citroen C4 (2017) is 60 mm (2.36 inch) higher and 360 kg (794 lbs) lighter than BMW 3 Series Touring (2016).