Mercedes GLC-Class (2017) is 237 mm (9.33 inch) higher than Porsche Panamera (2018).
Porsche Panamera (2018) is 394 mm (15.51 inch) longer, 48 mm (1.89 inch) wider, 286 kg (631 lbs) lighter and has 148 liters (5.23 ft3) bigger cargo space than Mercedes GLC-Class (2017).