McLaren GT (2020) is 223 mm (8.78 inch) wider and 649 kg (1,431 lbs) lighter than Mercedes CL-Class (2018).
Mercedes CL-Class (2018) is 411 mm (16.18 inch) longer, 203 mm (7.99 inch) higher and has 70 liters (2.47 ft3) bigger cargo space than McLaren GT (2020).