BMW 8 Series (G15) (2018) is 436 kg (961 lbs) lighter than Rolls-Royce Wraith (2014).
Rolls-Royce Wraith (2014) is 426 mm (16.77 inch) longer, 45 mm (1.77 inch) wider, 166 mm (6.54 inch) higher and has 50 liters (1.77 ft3) bigger cargo space than BMW 8 Series (G15) (2018).