Mercedes CL-Class (2020) is 716 mm (28.19 inch) longer, 72 mm (2.83 inch) wider, 122 mm (4.80 inch) higher and has 340 liters (12.01 ft3) bigger cargo space than Porsche 718 Cayman (2014).
Porsche 718 Cayman (2014) is 779 kg (1,717 lbs) lighter than Mercedes CL-Class (2020).