Porsche 718 Cayman (2021) is 218 mm (8.58 inch) longer and 28 mm (1.10 inch) wider than Toyota GT86 (2020).
Toyota GT86 (2020) is 15 mm (0.59 inch) higher, 236 kg (520 lbs) lighter and has 59 liters (2.08 ft3) bigger cargo space than Porsche 718 Cayman (2021).