BMW i3 (2014) is 1404 kg (3,095 lbs) lighter than Rolls-Royce Phantom (2017).
Rolls-Royce Phantom (2017) is 1843 mm (72.56 inch) longer, 215 mm (8.46 inch) wider, 60 mm (2.36 inch) higher and has 193 liters (6.82 ft3) bigger cargo space than BMW i3 (2014).