Mercedes C-Class (Estate) (2014) is 228 mm (8.98 inch) longer, 7 mm (0.28 inch) wider, 172 mm (6.77 inch) higher and has 306 liters (10.81 ft3) bigger cargo space than Porsche 718 Cayman (2020).
Porsche 718 Cayman (2020) is 44 kg (97 lbs) lighter than Mercedes C-Class (Estate) (2014).