Mercedes GLC-Class (2017) is 242 mm (9.53 inch) higher than Porsche Panamera (2016).
Porsche Panamera (2016) is 358 mm (14.09 inch) longer, 40 mm (1.57 inch) wider, 286 kg (631 lbs) lighter and has 95 liters (3.35 ft3) bigger cargo space than Mercedes GLC-Class (2017).