Chrysler 300 (2018) is 666 mm (26.22 inch) longer, 105 mm (4.13 inch) wider, 193 mm (7.60 inch) higher and has 300 liters (10.59 ft3) bigger cargo space than Porsche Cayman (2016).
Porsche Cayman (2016) is 415 kg (915 lbs) lighter than Chrysler 300 (2018).