BMW 1 Series (2015) is 4 mm (0.16 inch) higher and 840 kg (1,852 lbs) lighter than Mercedes CL-Class (2018).
Mercedes CL-Class (2018) is 766 mm (30.16 inch) longer, 107 mm (4.21 inch) wider and has 130 liters (4.59 ft3) bigger cargo space than BMW 1 Series (2015).