BMW i3 (2015) is 1449 kg (3,194 lbs) lighter than Rolls-Royce Phantom (2014).
Rolls-Royce Phantom (2014) is 2092 mm (82.36 inch) longer, 214 mm (8.43 inch) wider, 63 mm (2.48 inch) higher and has 199 liters (7.03 ft3) bigger cargo space than BMW i3 (2015).