McLaren Senna (2018) is 59 mm (2.32 inch) wider and 771 kg (1,700 lbs) lighter than Mercedes S-Class (2016).
Mercedes S-Class (2016) is 501 mm (19.72 inch) longer, 295 mm (11.61 inch) higher and has 500 liters (17.66 ft3) bigger cargo space than McLaren Senna (2018).