BMW 4 Series (2013) is 560 kg (1,235 lbs) lighter than Mercedes S-Class (2020).
Mercedes S-Class (2020) is 607 mm (23.90 inch) longer, 74 mm (2.91 inch) wider, 128 mm (5.04 inch) higher and has 55 liters (1.94 ft3) bigger cargo space than BMW 4 Series (2013).