BMW 5 Series Touring (2018) is 646 mm (25.43 inch) longer, 71 mm (2.80 inch) wider, 39 mm (1.54 inch) higher and has 100 liters (3.53 ft3) bigger cargo space than BMW X2 (2017).
BMW X2 (2017) is 423 kg (933 lbs) lighter than BMW 5 Series Touring (2018).