Aston Martin Rapide S (2016) is 626 mm (24.65 inch) longer and 143 mm (5.63 inch) wider than Mercedes B-Class (2017).
Mercedes B-Class (2017) is 207 mm (8.15 inch) higher, 595 kg (1,312 lbs) lighter and has 90 liters (3.18 ft3) bigger cargo space than Aston Martin Rapide S (2016).