BMW 8 Series (G14) (2018) is 495 mm (19.49 inch) longer, 137 mm (5.39 inch) wider and has 75 liters (2.65 ft3) bigger cargo space than Lexus CT (2015).
Lexus CT (2015) is 116 mm (4.57 inch) higher and 478 kg (1,054 lbs) lighter than BMW 8 Series (G14) (2018).