Chevrolet Tahoe (2018) is 787 mm (30.98 inch) longer, 244 mm (9.61 inch) wider, 595 mm (23.43 inch) higher and has 1314 liters (46.40 ft3) bigger cargo space than Porsche 718 Cayman (2017).
Porsche 718 Cayman (2017) is 1100 kg (2,425 lbs) lighter than Chevrolet Tahoe (2018).