McLaren GT (2020) is 196 mm (7.72 inch) wider and 574 kg (1,265 lbs) lighter than Mercedes S-Class (2016).
Mercedes S-Class (2016) is 561 mm (22.09 inch) longer, 276 mm (10.87 inch) higher and has 80 liters (2.83 ft3) bigger cargo space than McLaren GT (2020).