McLaren 720S (2020) is 177 mm (6.97 inch) wider and 308 kg (679 lbs) lighter than Mercedes CLS-Class (2014).
Mercedes CLS-Class (2014) is 397 mm (15.63 inch) longer, 221 mm (8.70 inch) higher and has 317 liters (11.19 ft3) bigger cargo space than McLaren 720S (2020).