BMW i3 (2014) is 1315 kg (2,899 lbs) lighter than Rolls-Royce Phantom (2018).
Rolls-Royce Phantom (2018) is 1990 mm (78.35 inch) longer, 242 mm (9.53 inch) wider, 78 mm (3.07 inch) higher and has 278 liters (9.82 ft3) bigger cargo space than BMW i3 (2014).