Aston Martin Rapide S (2015) is 483 mm (19.02 inch) longer and 88 mm (3.46 inch) wider than Mercedes GLK-Class (2018).
Mercedes GLK-Class (2018) is 340 mm (13.39 inch) higher, 110 kg (243 lbs) lighter and has 54 liters (1.91 ft3) bigger cargo space than Aston Martin Rapide S (2015).