BMW i3 (2015) is 1345 kg (2,965 lbs) lighter than Rolls-Royce Phantom Coupe (2015).
Rolls-Royce Phantom Coupe (2015) is 1613 mm (63.50 inch) longer, 212 mm (8.35 inch) wider, 20 mm (0.79 inch) higher and has 54 liters (1.91 ft3) bigger cargo space than BMW i3 (2015).