Mercedes E-Class (Estate) (2020) is 503 mm (19.80 inch) longer, 53 mm (2.09 inch) wider, 201 mm (7.91 inch) higher and has 520 liters (18.36 ft3) bigger cargo space than Porsche 718 Cayman (2017).
Porsche 718 Cayman (2017) is 470 kg (1,036 lbs) lighter than Mercedes E-Class (Estate) (2020).