Chevrolet Camaro (2018) is 405 mm (15.94 inch) longer, 98 mm (3.86 inch) wider, 56 mm (2.20 inch) higher and has 222 liters (7.84 ft3) bigger cargo space than Porsche Cayman (2015).
Porsche Cayman (2015) is 256 kg (564 lbs) lighter than Chevrolet Camaro (2018).
