BMW i8 (2016) is 346 mm (13.62 inch) longer, 42 mm (1.65 inch) wider, 128 mm (5.04 inch) higher and has 44 liters (1.55 ft3) bigger cargo space than Lamborghini Murcielago (2014).
Lamborghini Murcielago (2014) is 150 kg (331 lbs) lighter than BMW i8 (2016).