BMW 5 Series Touring (2018) is 66 mm (2.60 inch) longer, 13 mm (0.51 inch) wider, 148 mm (5.83 inch) higher and has 50 liters (1.77 ft3) bigger cargo space than Mercedes CLS-Class (2017).
Mercedes CLS-Class (2017) is 126 kg (278 lbs) lighter than BMW 5 Series Touring (2018).