Aston Martin Rapide S (2015) is 79 mm (3.11 inch) longer and 46 mm (1.81 inch) wider than Mercedes CLS-Class (2018).
Mercedes CLS-Class (2018) is 58 mm (2.28 inch) higher, 215 kg (474 lbs) lighter and has 124 liters (4.38 ft3) bigger cargo space than Aston Martin Rapide S (2015).