Mercedes B-Class (2020) is 935 kg (2,061 lbs) lighter than Rolls-Royce Phantom (2018).
Rolls-Royce Phantom (2018) is 1570 mm (61.81 inch) longer, 221 mm (8.70 inch) wider, 94 mm (3.70 inch) higher and has 133 liters (4.70 ft3) bigger cargo space than Mercedes B-Class (2020).