Chevrolet Tahoe (2018) is 801 mm (31.54 inch) longer, 245 mm (9.65 inch) wider, 597 mm (23.50 inch) higher and has 1302 liters (45.98 ft3) bigger cargo space than Porsche Cayman (2014).
Porsche Cayman (2014) is 1136 kg (2,504 lbs) lighter than Chevrolet Tahoe (2018).