Mercedes A-Class (2014) is 1165 kg (2,568 lbs) lighter than Rolls-Royce Phantom (2018).
Rolls-Royce Phantom (2018) is 1697 mm (66.81 inch) longer, 237 mm (9.33 inch) wider, 223 mm (8.78 inch) higher and has 197 liters (6.96 ft3) bigger cargo space than Mercedes A-Class (2014).