BMW 5 Series Touring (2016) is 721 mm (28.39 inch) longer, 90 mm (3.54 inch) wider, 31 mm (1.22 inch) higher and has 201 liters (7.10 ft3) bigger cargo space than Citroen DS4 (2020).
Citroen DS4 (2020) is 577 kg (1,272 lbs) lighter than BMW 5 Series Touring (2016).