BMW 1 Series (2014) is 645 kg (1,422 lbs) lighter than Mercedes S-Class (2020).
Mercedes S-Class (2020) is 885 mm (34.84 inch) longer, 151 mm (5.94 inch) wider, 79 mm (3.11 inch) higher and has 140 liters (4.94 ft3) bigger cargo space than BMW 1 Series (2014).