BMW i8 (2017) is 880 kg (1,940 lbs) lighter than Rolls-Royce Wraith (2019).
Rolls-Royce Wraith (2019) is 597 mm (23.50 inch) longer, 6 mm (0.24 inch) wider, 213 mm (8.39 inch) higher and has 316 liters (11.16 ft3) bigger cargo space than BMW i8 (2017).