Mercedes E-Class (2020) is 54 mm (2.13 inch) wider, 737 kg (1,625 lbs) lighter and has 2 liters (0.07 ft3) bigger cargo space than Rolls-Royce Phantom (2018).
Rolls-Royce Phantom (2018) is 1110 mm (43.70 inch) longer and 258 mm (10.16 inch) higher than Mercedes E-Class (2020).