Mercedes Maybach (2017) is 1084 mm (42.68 inch) longer, 99 mm (3.90 inch) wider, 205 mm (8.07 inch) higher and has 338 liters (11.94 ft3) bigger cargo space than Porsche Cayman (2018).
Porsche Cayman (2018) is 790 kg (1,742 lbs) lighter than Mercedes Maybach (2017).