BMW i8 (2016) is 70 mm (2.76 inch) wider and 660 kg (1,455 lbs) lighter than Mercedes CL-Class (2020).
Mercedes CL-Class (2020) is 406 mm (15.98 inch) longer, 124 mm (4.88 inch) higher and has 336 liters (11.87 ft3) bigger cargo space than BMW i8 (2016).