BMW 5 Series Gran Turismo (2019) is 668 mm (26.30 inch) longer, 57 mm (2.24 inch) wider and has 171 liters (6.04 ft3) bigger cargo space than Citroen DS4 (2020).
Citroen DS4 (2020) is 48 mm (1.89 inch) higher and 321 kg (708 lbs) lighter than BMW 5 Series Gran Turismo (2019).