BMW 3 Series Touring (2018) is 368 mm (14.49 inch) longer, 1 mm (0.04 inch) wider and has 136 liters (4.80 ft3) bigger cargo space than Citroen DS4 (2014).
Citroen DS4 (2014) is 97 mm (3.82 inch) higher and 316 kg (697 lbs) lighter than BMW 3 Series Touring (2018).